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Grade 5 Hex Cap Screw, Plated

SAE J429 Grade 5 hex head cap screws are common, economical fasteners manufactured from heat-treated medium carbon steel, quenched and tempered. Grade 5 cap screws are available in diameters from 1/4" through 1 1/2" inclusive. Dimensional specifications are governed by ASME B18.2.1. Grade marking consists of 3 radial lines. Inch series fasteners meeting SAE J429 Grade 5 specifications are general use fasteners commonly used in automotive and construction related industries. These fasteners are available in zinc plated finish. Zinc plating sacrifices itself, corroding before the base material, offering added corrosion resistance.

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Governing Standards
Mechanical Properties
Chemical Properties
Dimensional Specifications

Dimensional Specifications

Dimensional SpecificationsGrade 5

Per ASME B18.2.1-2012
Nominal Diameter		UNC	UNF	E		F			G		H			J	LT		Y
				Body Diameter		Width Across Flats			Width Across Corners		Head Height			Wrench Height	Thread Length		Transition Length
				Max	Min	Basic	Max	Min	Max	Min	Basic	Max	Min	Min	Lengths up to 6"	Lengths > 6"	Max
1/4	0.2500	20	28	0.2500	0.2405	7/16	0.4380	0.4280	0.5050	0.4880	5/32	0.1630	0.1500	0.1060	0.7500	1.0000	0.2500
5/16	0.3125	18	24	0.3125	0.3065	1/2	0.5000	0.4890	0.5770	0.5570	13/64	0.2110	0.1950	0.1400	0.8750	1.1250	0.2750
3/8	0.3750	16	24	0.3750	0.3690	9/16	0.5620	0.5510	0.6500	0.6280	15/64	0.2430	0.2260	0.1600	1.0000	1.2500	0.3120
7/16	0.4375	14	20	0.4375	0.4305	5/8	0.6250	0.6120	0.7220	0.6980	9/32	0.2910	0.2720	0.1950	1.1250	1.3750	0.3570
1/2	0.5000	13	20	0.5000	0.4930	3/4	0.7500	0.7360	0.8660	0.8400	5/16	0.3230	0.3020	0.2150	1.2500	1.5000	0.3850
9/16	0.5625	12	18	0.5625	0.5545	13/16	0.8120	0.7980	0.9380	0.9100	23/64	0.3710	0.3480	0.2500	1.3750	1.6250	0.4170
5/8	0.6250	11	18	0.6250	0.6170	15/16	0.9380	0.9220	1.0830	1.0510	25/64	0.4030	0.3780	0.2690	1.5000	1.7500	0.4550
3/4	0.7500	10	16	0.7500	0.7410	1 1/8	1.1250	1.1000	1.2990	1.2540	15/32	0.4830	0.4550	0.3240	1.7500	2.0000	0.5000
7/8	0.8750	9	14	0.8750	0.8660	1 5/16	1.3120	1.2850	1.5160	1.4650	35/64	0.5630	0.5310	0.3780	2.0000	2.2500	0.5560
1	1.0000	8	14	1.0000	0.9900	1 1/2	1.5000	1.4690	1.7320	1.6750	39/64	0.6270	0.5910	0.4160	2.2500	2.5000	0.6250
1 1/8	1.1250	7	12	1.1250	1.1140	1 11/16	1.6880	1.6310	1.9490	1.8590	11/16	0.7180	0.6580	0.4610	2.5000	2.7500	0.7140
1 1/4	1.2500	7	12	1.2500	1.2390	1 7/8	1.8750	1.8120	2.1650	2.0660	25/32	0.8130	0.7490	0.5300	2.7500	3.0000	0.7140
1 3/8	1.3750	6	12	1.3750	1.3630	2 1/16	2.0620	1.9940	2.3820	2.2730	27/32	0.8780	0.8100	0.5690	3.0000	3.2500	0.8330
1 1/2	1.5000	6	12	1.5000	1.4880	2 1/4	2.2500	2.1750	2.5980	2.4800	15/16	0.9740	0.9020	0.6400	3.2500	3.5000	0.8330

All dimensions are in inches.
Usable thread length for Hex Head Cap Screws under 6 1/4" long can be approximated by the equation THREAD LENGTH = (2 X DIAMETER) + 1/4″

Grade 5 Hex Cap Screw, Plated

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Diameter Length Threading Item # Availability Price Quantity UOM

1/4

Full

HHP50250100

In Stock

$0.10385/EA

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1/4-20 X 1 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.10385/EA

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In Stock

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Quantity	Price
Quantity	Price
1	$0.10385/EA
530	$0.09726/EA
2120	$0.08672/EA
9530	$0.05713/EA

1/4

Partial

HHP50250700

In Stock

$0.76132/EA

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1/4-20 X 7 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.76132/EA

Qty

In Stock

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Quantity	Price
Quantity	Price
1	$0.76132/EA
110	$0.71298/EA
410	$0.63572/EA
1830	$0.41879/EA

5/16

Full

HHP50310100

In Stock

$0.12395/EA

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5/16-18 X 1 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.12395/EA

Qty

In Stock

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Quantity	Price
Quantity	Price
1	$0.12395/EA
330	$0.11612/EA
1300	$0.10341/EA
5850	$0.06853/EA

3/8

Full

HHP50370100

In Stock

$0.19972/EA

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3/8-16 X 1 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.19972/EA

Qty

In Stock

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Quantity	Price
Quantity	Price
1	$0.19972/EA
220	$0.18753/EA
880	$0.16768/EA
3950	$0.11102/EA

3/8

1 1/2

Partial

HHP50370150

In Stock

$0.27044/EA

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3/8-16 X 1 1/2 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.27044/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.27044/EA
170	$0.25393/EA
680	$0.22706/EA
3050	$0.15033/EA

3/8

1 3/4

Partial

HHP50370175

In Stock

$0.50535/EA

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3/8-16 X 1 3/4 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.50535/EA

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In Stock

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Quantity	Price
Quantity	Price
1	$0.50535/EA
150	$0.47449/EA
600	$0.42428/EA
2700	$0.28091/EA

3/8

Partial

HHP50370200

In Stock

$0.27922/EA

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3/8-16 X 2 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.27922/EA

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In Stock

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Quantity	Price
Quantity	Price
1	$0.27922/EA
140	$0.26217/EA
540	$0.23443/EA
2420	$0.15521/EA

3/8

2 1/4

Partial

HHP50370225

In Stock

$0.31839/EA

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3/8-16 X 2 1/4 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.31839/EA

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In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.31839/EA
130	$0.29895/EA
490	$0.26731/EA
2200	$0.17698/EA

3/8

2 1/2

Partial

HHP50370250

In Stock

$0.53937/EA

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3/8-16 X 2 1/2 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.53937/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.53937/EA
120	$0.50644/EA
450	$0.45285/EA
2010	$0.29982/EA

3/8

2 3/4

Partial

HHP50370275

In Stock

$0.78448/EA

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3/8-16 X 2 3/4 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.78448/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.78448/EA
110	$0.73659/EA
420	$0.65864/EA
1860	$0.43608/EA

3/8

Partial

HHP50370300

In Stock

$0.60255/EA

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3/8-16 X 3 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.60255/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.60255/EA
100	$0.56577/EA
390	$0.50589/EA
1720	$0.33494/EA

3/8

3 1/4

Partial

HHP50370325

In Stock

$0.36207/EA

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3/8-16 X 3 1/4 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.36207/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.36207/EA
90	$0.33996/EA
360	$0.30399/EA
1610	$0.20126/EA

3/8

3 1/2

Partial

HHP50370350

In Stock

$1.07032/EA

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3/8-16 X 3 1/2 J429 GRADE 5 HEX CAP SCREW, PLATED

$1.07032/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$1.07032/EA
90	$1.00498/EA
340	$0.89863/EA
1500	$0.59497/EA

3/8

3 3/4

Partial

HHP50370375

In Stock

$0.35907/EA

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3/8-16 X 3 3/4 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.35907/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.35907/EA
80	$0.33715/EA
320	$0.30147/EA
1420	$0.1996/EA

3/8

Partial

HHP50370400

In Stock

$0.57998/EA

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3/8-16 X 4 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.57998/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.57998/EA
80	$0.54457/EA
300	$0.48694/EA
1340	$0.32239/EA

3/8

4 1/2

Partial

HHP50370450

In Stock

$0.62182/EA

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3/8-16 X 4 1/2 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.62182/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.62182/EA
70	$0.58386/EA
270	$0.52207/EA
1200	$0.34565/EA

3/8

Partial

HHP50370500

In Stock

$0.65752/EA

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3/8-16 X 5 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.65752/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.65752/EA
70	$0.61738/EA
250	$0.55204/EA
1090	$0.3655/EA

3/8

5 1/2

Partial

HHP50370550

In Stock

$0.99793/EA

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3/8-16 X 5 1/2 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.99793/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.99793/EA
60	$0.937/EA
230	$0.83784/EA
1000	$0.55472/EA

3/8

Partial

HHP50370600

In Stock

$1.05385/EA

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3/8-16 X 6 J429 GRADE 5 HEX CAP SCREW, PLATED

$1.05385/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$1.05385/EA
60	$0.98951/EA
210	$0.8848/EA
920	$0.58581/EA

3/8

1 1/2

Partial

HHP50370150NF

In Stock

$0.35919/EA

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3/8-24 X 1 1/2 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.35919/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.35919/EA
170	$0.33727/EA
680	$0.30157/EA
3050	$0.19967/EA

3/8

2 1/2

Partial

HHP50370250NF

In Stock

$0.65469/EA

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3/8-24 X 2 1/2 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.65469/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.65469/EA
120	$0.61472/EA
450	$0.54967/EA
2010	$0.36392/EA

3/8

2 3/4

Partial

HHP50370275NF

In Stock

$0.03989/EA

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3/8-24 X 2 3/4 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.03989/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.03989/EA
110	$0.03745/EA
420	$0.03349/EA
1860	$0.02217/EA

3/8

Partial

HHP50370300NF

3-5 Working Days

$0.51855/EA

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3/8-24 X 3 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.51855/EA

Qty

3-5 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$0.51855/EA
100	$0.48689/EA
390	$0.43537/EA
1720	$0.28825/EA

3/8

3 1/2

Partial

HHP50370350NF

3-5 Working Days

$0.55844/EA

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3/8-24 X 3 1/2 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.55844/EA

Qty

3-5 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$0.55844/EA
90	$0.52434/EA
340	$0.46885/EA
1500	$0.31042/EA

7/16

Full

HHP50430100

In Stock

$0.78227/EA

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7/16-14 X 1 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.78227/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.78227/EA
170	$0.73382/EA
650	$0.65125/EA
2900	$0.43696/EA

7/16

Full

HHP50430100NF

3-5 Working Days

$0.3125/EA

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7/16-20 X 1 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.3125/EA

Qty

3-5 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$0.3125/EA
170	$0.29315/EA
650	$0.26016/EA
2900	$0.17456/EA

1/2

Full

HHP50500100

In Stock

$0.32788/EA

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1/2-13 X 1 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.32788/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.32788/EA
110	$0.30779/EA
430	$0.27287/EA
1930	$0.18385/EA

1/2

Full

HHP50500100NF

In Stock

$0.81536/EA

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1/2-20 X 1 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.81536/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.81536/EA
110	$0.76539/EA
430	$0.67856/EA
1930	$0.45719/EA

9/16

Full

HHP50560100

In Stock

$0.56068/EA

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9/16-12 X 1 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.56068/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.56068/EA
90	$0.52632/EA
360	$0.4666/EA
1600	$0.31438/EA

5/8

Full

HHP50620100

In Stock

$0.57657/EA

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5/8-11 X 1 J429 GRADE 5 HEX CAP SCREW, PLATED

$0.57657/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.57657/EA
60	$0.54167/EA
240	$0.47944/EA
1070	$0.32571/EA

3/4

Full

HHP50750100

In Stock

$1.25029/EA

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3/4-10 X 1 J429 GRADE 5 HEX CAP SCREW, PLATED

$1.25029/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$1.25029/EA
50	$1.17539/EA
170	$1.03945/EA
770	$0.71024/EA

SAE J429	Covers the mechanical and material requirements for inch series fasteners used in automotive and related industries in diameters through 1-1/2″.
ASME B18.2.1	Covers the complete general and dimensional data for multiple types of inch series square and hex bolts and screws.
ASME B1.1 UNC & UNF Class 2A	Specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads.

Medium Carbon Steel, Heat Treated, Quenched and Tempered					Per SAE J429 2014-05
Diameter	Full Size Proof Load	Yield Strength	Tensile Strength	Elongation	Reduction in Area	Core Hardness
Diameter	psi	Min psi	Min psi	Min %	Min %	Rockwell
1/4 thru 1"	85,000	92,000	120,000	14	35	C25 to C34
Over 1 thru 1 1/2"	74,000	81,000	105,000	14	35	C19 to C30

Per SAE J429 2014-05
Grade	Material	Carbon	Phosphorus	Sulfur	Boron	Tempering Temperature
Grade	Material	% by weight	% by weight	% by weight	% by weight	Min
5	Medium Carbon Steel (1)	0.25-0.55	0.025 max	0.025 max (4)	-	800F
5	Carbon Steel with additives (e.g. Boron (2 or 3) or Cr, or Mn)	0.15-0.40	0.025 max	0.025 max (4)	0.0005-0.003	800F