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A320 B8 Class 2 Stud Bolt

ASTM A320 Grade B8 Class 2 studs are manufactured from AISI 304 stainless steel, annealed and strain hardened to achieve increased strength characteristics per ASTM A320. Dimensional specifications are governed by ASME B18.31.2. Grade markings consists of both the grade symbol "B8" and the manufacturer's identification mark on one end of each stud 3/8" diameter and larger. Manufacturer's marking may be placed on other end if insufficient space. A320 B8 Class 2 all thread studs having diameters above 1" are most common 8UN (8 threads per inch). For use in pressure vessels, valves, flanges, and fittings for low temperature service. A193 grade B8 CL2 studs available for high temperature or high pressure service.

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Governing Standards
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Stud Flange Chart

Stud Flange Chart

Stud Flange ChartsASME B16.5

FLANGE		NOMINAL PIPE DIAMETER
CLASS	BOLTING	1/2	3/4	1	1-1/4	1-1/2	2	2-1/2	3	3-1/2	4
150#	Number	4	4	4	4	4	4	4	4	8	8
	Diameter	1/2	1/2	1/2	1/2	1/2	5/8	5/8	5/8	5/8	5/8
	Stud Bolt Length	2-1/4	2-1/2	2-1/2	2-3/4	2-3/4	3-1/4	3-1/2	3-1/2	3-1/2	3-1/2
	Mach Bolt Length	2	2	2-1/4	2-1/4	2-1/2	2-3/4	3	3	3	3
300#	Number	4	4	4	4	4	8	8	8	8	8
	Diameter	1/2	5/8	5/8	5/8	3/4	5/8	3/4	3/4	3/4	3/4
	Stud Bolt Length	2-1/2	3	3	3-1/4	3-1/2	3-1/2	4	4-1/4	4-1/4	4-1/2
	Mach Bolt Length	2-1/4	2-1/2	2-1/2	2-3/4	3	3	3-1/4	3-1/2	3-3/4	3-3/4
600#	Number	4	4	4	4	4	8	8	8	8	8
	Diameter	1/2	5/8	5/8	5/8	3/4	5/8	3/4	3/4	7/8	7/8
	Stud Bolt Length	3	3-1/2	3-1/2	3-3/4	4-1/4	4-1/4	4-3/4	5	5-1/2	5-3/4
900#	Number	4	4	4	4	4	8	8	8	-	8
	Diameter	3/4	3/4	7/8	7/8	1	7/8	1	7/8	-	1-1/8
	Stud Bolt Length	4-1/4	4-1/2	5	5	5-1/2	5-3/4	6-1/4	5-3/4	-	6-3/4
1500#	Number	4	4	4	4	4	8	8	8	-	8
	Diameter	3/4	3/4	7/8	7/8	1	7/8	1	1-1/8	-	1-1/4
	Stud Bolt Length	4-1/4	4-1/2	5	5	5-1/2	5-3/4	6-1/4	7	-	7-3/4
2500#	Number	4	4	4	4	4	8	8	8	-	8
	Diameter	3/4	3/4	7/8	1	1-1/8	1	1-1/8	1-1/4	-	1-1/2
	Stud Bolt Length	4-3/4	5	5-1/2	6	6-3/4	7	7-3/4	8-3/4	-	10
FLANGE		NOMINAL PIPE DIAMETER
CLASS	BOLTING	5	6	8	10	12	14	16	18	20	24
150#	Number	8	8	8	12	12	12	16	16	20	20
	Diameter	3/4	3/4	3/4	7/8	7/8	1	1	1-1/8	1-1/8	1-1/4
	Stud Bolt Length	3-3/4	4	4-1/4	4-1/2	4-3/4	5-1/4	5-1/4	5-3/4	6-1/4	6-3/4
	Mach Bolt Length	3-1/4	3-1/4	3-1/2	4	4	4-1/2	4-1/2	5	5-1/2	6
300#	Number	8	12	12	16	16	20	20	24	24	24
	Diameter	3/4	3/4	7/8	1	1-1/8	1-1/8	1-1/4	1-1/4	1-1/4	1-1/2
	Stud Bolt Length	4-3/4	4-3/4	5-1/2	6-1/4	6-3/4	7	7-1/2	7-3/4	8	9
	Mach Bolt Length	4-1/4	4-1/4	4-3/4	5-1/2	5-3/4	6-1/4	6-1/2	6-3/4	7-1/4	8
600#	Number	8	12	12	16	20	20	20	20	24	24
	Diameter	1	1	1-1/8	1-1/4	1-1/4	1-3/8	1-1/2	1-5/8	1-5/8	1-7/8
	Stud Bolt Length	6-1/2	6-3/4	7-1/2	8-1/2	8-3/4	9-1/4	10	10-3/4	11-1/4	13
900#	Number	8	12	12	16	20	20	20	20	20	20
	Diameter	1-1/4	1-1/8	1-3/8	1-3/8	1-3/8	1-1/2	1-5/8	1-7/8	2	2-1/2
	Stud Bolt Length	7-1/2	7-1/2	8-3/4	9-1/4	10	10-3/4	11-1/4	12-3/4	13-3/4	17-1/4
1500#	Number	8	12	12	12	16	16	16	16	16	16
	Diameter	1-1/2	1-3/8	1-5/8	1-7/8	2	2-1/4	2-1/2	2-3/4	3	3-1/2
	Stud Bolt Length	9-3/4	10-1/4	11-1/2	13-1/4	14-3/4	16	17-1/2	19-1/2	21-1/4	24-1/4
2500#	Number	8	8	12	12	12	-	-	-	-	-
	Diameter	1-3/4	2	2	2-1/2	2-3/4	-	-	-	-	-
	Stud Bolt Length	11-3/4	13-1/2	15	19-1/4	21-1/4	-	-	-	-	-

All dimensions are in inches.

A320 B8 Class 2 Stud Bolt

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Diameter Length 1st Thrd To 1st Thrd Item # Availability Price Quantity UOM

3 3/4

SBB81000400A2-I

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$16.50682/EA

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1-8 X 4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$16.50682/EA

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Quantity	Price
Quantity	Price
1	$16.50682/EA
25	$15.731/EA
60	$13.42665/EA
500	$11.35504/EA

4 1/4

SBB81000425A2-I

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$17.3221/EA

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1-8 X 4 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$17.3221/EA

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Quantity	Price
Quantity	Price
1	$17.3221/EA
25	$16.50796/EA
60	$14.0898/EA
500	$11.91587/EA

4 1/2

4 1/4

SBB81000450A2-I

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$18.24257/EA

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1-8 X 4 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$18.24257/EA

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Quantity	Price
Quantity	Price
1	$18.24257/EA
25	$17.38517/EA
50	$14.83851/EA
500	$12.54907/EA

4 3/4

4 1/2

SBB81000475A2-I

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$18.74883/EA

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1-8 X 4 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$18.74883/EA

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Quantity	Price
Quantity	Price
1	$18.74883/EA
25	$17.86764/EA
50	$15.2503/EA
500	$12.89732/EA

4 3/4

SBB81000500A2-I

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$19.86984/EA

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1-8 X 5 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$19.86984/EA

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Quantity	Price
Quantity	Price
1	$19.86984/EA
25	$18.93596/EA
50	$16.16213/EA
500	$13.66846/EA

5 1/4

SBB81000525A2-I

Out Of Stock

$20.49262/EA

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1-8 X 5 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$20.49262/EA

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Quantity	Price
Quantity	Price
1	$20.49262/EA
25	$19.52947/EA
50	$16.6687/EA
500	$14.09687/EA

5 1/2

5 1/4

SBB81000550A2-I

Out Of Stock

$21.16331/EA

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1-8 X 5 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$21.16331/EA

Qty

Out Of Stock

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Quantity	Price
Quantity	Price
1	$21.16331/EA
40	$20.16863/EA
80	$17.21423/EA
180	$14.55824/EA

5 3/4

5 1/2

SBB81000575A2-I

Out Of Stock

$22.67235/EA

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1-8 X 5 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$22.67235/EA

Qty

Out Of Stock

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Quantity	Price
Quantity	Price
1	$22.67235/EA
40	$21.60675/EA
80	$18.44169/EA
170	$15.59631/EA

5 3/4

SBB81000600A2-I

Out Of Stock

$23.52529/EA

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1-8 X 6 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$23.52529/EA

Qty

Out Of Stock

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Quantity	Price
Quantity	Price
1	$23.52529/EA
40	$22.41961/EA
80	$19.13547/EA
160	$16.18305/EA

6 1/4

SBB81000625A2-I

Out Of Stock

$24.45577/EA

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1-8 X 6 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$24.45577/EA

Qty

Out Of Stock

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Quantity	Price
Quantity	Price
1	$24.45577/EA
40	$23.30635/EA
70	$19.89233/EA
160	$16.82313/EA

6 1/2

6 1/4

SBB81000650A2-I

Out Of Stock

$24.45577/EA

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1-8 X 6 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$24.45577/EA

Qty

Out Of Stock

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Quantity	Price
Quantity	Price
1	$24.45577/EA
40	$23.30635/EA
70	$19.89232/EA
150	$16.82312/EA

6 3/4

6 1/2

SBB81000675A2-I

Out Of Stock

$25.47487/EA

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1-8 X 6 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$25.47487/EA

Qty

Out Of Stock

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Quantity	Price
Quantity	Price
1	$25.47487/EA
40	$24.27755/EA
70	$20.72126/EA
150	$17.52416/EA

6 3/4

SBB81000700A2-I

Out Of Stock

$26.59588/EA

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1-8 X 7 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$26.59588/EA

Qty

Out Of Stock

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Quantity	Price
Quantity	Price
1	$26.59588/EA
40	$25.34587/EA
70	$21.63309/EA
140	$18.29531/EA

7 1/4

SBB81000725A2-I

Out Of Stock

$27.83488/EA

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1-8 X 7 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$27.83488/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$27.83488/EA
30	$26.52664/EA
60	$22.64089/EA
140	$19.14762/EA

7 1/2

7 1/4

SBB81000750A2-I

Out Of Stock

$27.83488/EA

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1-8 X 7 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$27.83488/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$27.83488/EA
30	$26.52664/EA
60	$22.64089/EA
130	$19.14762/EA

7 3/4

7 1/2

SBB81000775A2-I

Out Of Stock

$29.21156/EA

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1-8 X 7 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$29.21156/EA

Qty

Out Of Stock

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Quantity	Price
Quantity	Price
1	$29.21156/EA
30	$27.83861/EA
60	$23.76068/EA
130	$20.09463/EA

7 3/4

SBB81000800A2-I

Out Of Stock

$30.75019/EA

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1-8 X 8 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$30.75019/EA

Qty

Out Of Stock

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Quantity	Price
Quantity	Price
1	$30.75019/EA
30	$29.30493/EA
60	$25.0122/EA
120	$21.15306/EA

8 1/4

SBB81000825A2-I

Out Of Stock

$30.75019/EA

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1-8 X 8 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$30.75019/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$30.75019/EA
30	$29.30493/EA
60	$25.01221/EA
120	$21.15306/EA

8 1/2

8 1/4

SBB81000850A2-I

Out Of Stock

$32.48116/EA

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1-8 X 8 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$32.48116/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$32.48116/EA
30	$30.95454/EA
60	$26.42017/EA
120	$22.34379/EA

8 3/4

8 1/2

SBB81000875A2-I

Out Of Stock

$32.48116/EA

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1-8 X 8 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$32.48116/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$32.48116/EA
30	$30.95455/EA
50	$26.42018/EA
110	$22.34379/EA

8 3/4

SBB81000900A2-I

Out Of Stock

$34.44292/EA

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1-8 X 9 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$34.44292/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$34.44292/EA
30	$32.8241/EA
50	$28.01587/EA
110	$23.69328/EA

9 1/4

SBB81000925A2-I

Out Of Stock

$34.44292/EA

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1-8 X 9 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$34.44292/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$34.44292/EA
30	$32.8241/EA
50	$28.01587/EA
110	$23.69328/EA

9 1/2

9 1/4

SBB81000950A2-I

Out Of Stock

$34.44292/EA

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1-8 X 9 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$34.44292/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$34.44292/EA
30	$32.8241/EA
50	$28.01587/EA
110	$23.69328/EA

9 3/4

9 1/2

SBB81000975A2-I

Out Of Stock

$36.68493/EA

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1-8 X 9 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$36.68493/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$36.68493/EA
30	$34.96074/EA
50	$29.83952/EA
100	$25.23556/EA

9 3/4

SBB81001000A2-I

Out Of Stock

$36.68493/EA

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1-8 X 10 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$36.68493/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$36.68493/EA
30	$34.96074/EA
50	$29.83952/EA
100	$25.23556/EA

10 1/4

SBB81001025A2-I

Out Of Stock

$36.68493/EA

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1-8 X 10 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$36.68493/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$36.68493/EA
30	$34.96074/EA
50	$29.83952/EA
100	$25.23556/EA

10 1/2

10 1/4

SBB81001050A2-I

Out Of Stock

$39.27187/EA

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1-8 X 10 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$39.27187/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$39.27187/EA
30	$37.42609/EA
50	$31.94374/EA
100	$27.01512/EA

10 3/4

10 1/2

SBB81001075A2-I

Out Of Stock

$39.27187/EA

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1-8 X 10 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$39.27187/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$39.27187/EA
20	$37.42609/EA
40	$31.94374/EA
90	$27.01512/EA

10 3/4

SBB81001100A2-I

Out Of Stock

$39.27187/EA

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1-8 X 11 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$39.27187/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$39.27187/EA
20	$37.42609/EA
40	$31.94374/EA
90	$27.01512/EA

11 1/4

SBB81001125A2-I

Out Of Stock

$42.28996/EA

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1-8 X 11 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$42.28996/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$42.28996/EA
20	$40.30233/EA
40	$34.39865/EA
90	$29.09126/EA

11 1/2

11 1/4

SBB81001150A2-I

Out Of Stock

$42.28996/EA

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1-8 X 11 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$42.28996/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$42.28996/EA
20	$40.30233/EA
40	$34.39865/EA
90	$29.09126/EA

11 3/4

11 1/2

SBB81001175A2-I

Out Of Stock

$42.28996/EA

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1-8 X 11 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$42.28996/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$42.28996/EA
20	$40.30233/EA
40	$34.39865/EA
90	$29.09126/EA

11 3/4

SBB81001200A2-I

Out Of Stock

$42.28996/EA

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1-8 X 12 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$42.28996/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$42.28996/EA
20	$40.30233/EA
40	$34.39865/EA
80	$29.09126/EA

12 1/4

SBB81001225A2-I

Out Of Stock

$45.8568/EA

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1-8 X 12 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$45.8568/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$45.8568/EA
20	$43.70153/EA
40	$37.29992/EA
80	$31.54489/EA

12 1/2

12 1/4

SBB81001250A2-I

Out Of Stock

$45.8568/EA

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1-8 X 12 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$45.8568/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$45.8568/EA
20	$43.70153/EA
40	$37.29992/EA
80	$31.54489/EA

12 3/4

12 1/2

SBB81001275A2-I

Out Of Stock

$45.8568/EA

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1-8 X 12 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$45.8568/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$45.8568/EA
20	$43.70153/EA
40	$37.29992/EA
80	$31.54489/EA

12 3/4

SBB81001300A2-I

Out Of Stock

$45.8568/EA

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1-8 X 13 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$45.8568/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$45.8568/EA
20	$43.70153/EA
40	$37.29992/EA
80	$31.54489/EA

13 1/4

SBB81001325A2-I

Out Of Stock

$50.137/EA

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1-8 X 13 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$50.137/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$50.137/EA
20	$47.78056/EA
40	$40.78144/EA
80	$34.48924/EA

13 1/2

13 1/4

SBB81001350A2-I

Out Of Stock

$50.137/EA

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1-8 X 13 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$50.137/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$50.137/EA
20	$47.78056/EA
40	$40.78144/EA
80	$34.48924/EA

13 3/4

13 1/2

SBB81001375A2-I

Out Of Stock

$50.137/EA

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1-8 X 13 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$50.137/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$50.137/EA
20	$47.78056/EA
40	$40.78144/EA
70	$34.48924/EA

13 3/4

SBB81001400A2-I

Out Of Stock

$50.137/EA

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1-8 X 14 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$50.137/EA

Qty

Out Of Stock

Product Detail

Quantity	Price
Quantity	Price
1	$50.137/EA
20	$47.78056/EA
40	$40.78144/EA
70	$34.48924/EA

14 1/4

SBB81001425A2-I

Out Of Stock

$50.137/EA

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1-8 X 14 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$50.137/EA

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Quantity	Price
1	$50.137/EA
20	$47.78056/EA
30	$40.78144/EA
70	$34.48924/EA

14 1/2

14 1/4

SBB81001450A2-I

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1-8 X 14 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$55.36836/EA

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Quantity	Price
1	$55.36836/EA
20	$52.76605/EA
30	$45.03663/EA
70	$38.0879/EA

14 3/4

14 1/2

SBB81001475A2-I

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1-8 X 14 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$55.36836/EA

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Quantity	Price
1	$55.36836/EA
20	$52.76605/EA
30	$45.03663/EA
70	$38.0879/EA

14 3/4

SBB81001500A2-I

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1-8 X 15 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$55.36836/EA

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Quantity	Price
Quantity	Price
1	$55.36836/EA
20	$52.76605/EA
30	$45.03663/EA
70	$38.0879/EA

15 1/4

SBB81001525A2-I

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1-8 X 15 1/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$55.36836/EA

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Quantity	Price
Quantity	Price
1	$55.36836/EA
20	$52.76605/EA
30	$45.03663/EA
70	$38.0879/EA

15 1/2

15 1/4

SBB81001550A2-I

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1-8 X 15 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$55.36836/EA

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Quantity	Price
Quantity	Price
1	$55.36836/EA
20	$52.76605/EA
30	$45.03663/EA
70	$38.0879/EA

15 3/4

15 1/2

SBB81001575A2-I

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$55.36836/EA

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1-8 X 15 3/4 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$55.36836/EA

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Quantity	Price
Quantity	Price
1	$55.36836/EA
20	$52.76605/EA
30	$45.03663/EA
70	$38.0879/EA

15 3/4

SBB81001600A2-I

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1-8 X 16 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$55.36836/EA

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Quantity	Price
Quantity	Price
1	$55.36836/EA
20	$52.76605/EA
30	$45.03663/EA
60	$38.0879/EA

16 1/2

16 1/4

SBB81001650A2-I

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$61.90756/EA

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1-8 X 16 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$61.90756/EA

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Quantity	Price
Quantity	Price
1	$61.90756/EA
20	$58.99791/EA
30	$50.35561/EA
60	$42.58621/EA

16 3/4

SBB81001700A2-I

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1-8 X 17 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$61.90756/EA

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Quantity	Price
Quantity	Price
1	$61.90756/EA
20	$58.99791/EA
30	$50.35561/EA
60	$42.58621/EA

17 1/2

17 1/4

SBB81001750A2-I

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1-8 X 17 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$61.90756/EA

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Quantity	Price
Quantity	Price
1	$61.90756/EA
20	$58.99791/EA
30	$50.35561/EA
60	$42.58621/EA

17 3/4

SBB81001800A2-I

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$61.90756/EA

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1-8 X 18 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$61.90756/EA

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Quantity	Price
Quantity	Price
1	$61.90756/EA
20	$58.99791/EA
30	$50.35561/EA
60	$42.58621/EA

18 1/2

18 1/4

SBB81001850A2-I

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$70.31511/EA

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1-8 X 18 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$70.31511/EA

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Quantity	Price
Quantity	Price
1	$70.31511/EA
20	$67.0103/EA
30	$57.19431/EA
60	$48.36976/EA

18 3/4

SBB81001900A2-I

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$70.31511/EA

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1-8 X 19 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$70.31511/EA

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Quantity	Price
Quantity	Price
1	$70.31511/EA
20	$67.0103/EA
30	$57.19431/EA
60	$48.36976/EA

19 1/2

19 1/4

SBB81001950A2-I

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$70.31511/EA

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1-8 X 19 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$70.31511/EA

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Quantity	Price
Quantity	Price
1	$70.31511/EA
20	$67.0103/EA
30	$57.19431/EA
50	$48.36976/EA

19 3/4

SBB81002000A2-I

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1-8 X 20 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$70.31511/EA

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Quantity	Price
Quantity	Price
1	$70.31511/EA
20	$67.0103/EA
30	$57.19431/EA
50	$48.36976/EA

20 1/2

20 1/4

SBB81002050A2-I

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1-8 X 20 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$70.31511/EA

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Quantity	Price
Quantity	Price
1	$70.31511/EA
20	$67.0103/EA
30	$57.19431/EA
50	$48.36976/EA

20 3/4

SBB81002100A2-I

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$81.52517/EA

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1-8 X 21 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$81.52517/EA

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Quantity	Price
Quantity	Price
1	$81.52517/EA
20	$77.69349/EA
30	$66.31257/EA
50	$56.08116/EA

21 1/2

21 1/4

SBB81002150A2-I

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$81.52517/EA

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1-8 X 21 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$81.52517/EA

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Quantity	Price
Quantity	Price
1	$81.52517/EA
10	$77.69349/EA
20	$66.31257/EA
50	$56.08116/EA

21 3/4

SBB81002200A2-I

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1-8 X 22 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$81.52517/EA

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Quantity	Price
Quantity	Price
1	$81.52517/EA
10	$77.69349/EA
20	$66.31257/EA
50	$56.08116/EA

22 1/2

22 1/4

SBB81002250A2-I

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$81.52517/EA

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1-8 X 22 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$81.52517/EA

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Quantity	Price
Quantity	Price
1	$81.52517/EA
10	$77.69349/EA
20	$66.31257/EA
50	$56.08116/EA

22 3/4

SBB81002300A2-I

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1-8 X 23 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$81.52517/EA

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Quantity	Price
Quantity	Price
1	$81.52517/EA
10	$77.69349/EA
20	$66.31257/EA
50	$56.08116/EA

23 1/2

23 1/4

SBB81002350A2-I

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$81.52517/EA

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1-8 X 23 1/2 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$81.52517/EA

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Quantity	Price
Quantity	Price
1	$81.52517/EA
10	$77.69349/EA
20	$66.31257/EA
50	$56.08116/EA

23 3/4

SBB81002400A2-I

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1-8 X 24 A320 B8 CLASS 2 STAINLESS STEEL STUD BOLT

$81.52517/EA

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Quantity	Price
Quantity	Price
1	$81.52517/EA
10	$77.69349/EA
20	$66.31257/EA
40	$56.08116/EA

ASTM A320	Covers alloy steel bolting materials and bolting components for pressure vessels, valves, flanges, and fittings for low-temperature service.
ASME B18.31.2	Covers the complete dimensional and general data for continuous thread, flange studs (stud bolts), and double-end inch-dimensioned studs.
ASME B1.1 UNC & UNF Class 2A	Specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads.

AISI 304 Stainless Steel, Carbide Solution Treated, Strain Hardened				Per ASTM A320/A320M-15a
Diameter	Tensile Strength	Yield Strength, 0.2% offset	Elongation in 2 in. or 50 mm	Reduction of Area	Hardness
Diameter	Min ksi	Min ksi	Min %	Min %	Max
3/4" and under	125	100	12	35	321 HBW or 35 HRC
over 3/4 to 1", incl	115	80	15	30	321 HBW or 35 HRC
over 1 to 1 1/4", incl	105	65	20	35	321 HBW or 35 HRC
over 1 1/4 to 1 1/2", incl (1)	100	50	28	45	321 HBW or 35 HRC

Per ASTM A320/A320M-15a
Grade	Material	Carbon	Manganese	Phosphorus	Sulfur	Silicon	Chromium	Nickel
Grade	Material	% by weight	% by weight	% by weight	% by weight	% by weight	% by weight	% by weight
B8	304 Stainless Steel	0.08 max	2.00 max	0.045 max	0.030 max	1.00 max	18.0-20.0	8.0-11.0