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Grade C All Metal Lock Nut, Plated

Grade C all metal locknuts are made to the specifications of Industrial Fastener Institutes standard IFI 100/107. Dimensional specifications are governed by ASME B18.16.6. All metal lock nuts are resistant to high temperatures and high chemical exposures, as they are made from one material. Available in zinc plated finish. Zinc plating sacrifices itself, corroding before the base material, offering added corrosion resistance.

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Governing Standards
Dimensional Specifications

Dimensional Specifications

Dimensional SpecificationsGrade C

Per IFI 100/107-2002(R2007)
Nominal Diameter		UNC	UNF	F			G		H		J
				Width Across Flats			Width Across Corners		Thickness		Hex Height
				Basic	Max	Min	Max	Min	Max	Min	Min
1/4	0.2500	20	28	7/16	0.4385	0.4280	0.5050	0.4880	0.2260	0.2120	0.1450
5/16	0.3125	18	24	1/2	0.5020	0.4890	0.5770	0.5570	0.2730	0.2580	0.1660
3/8	0.3750	16	24	9/16	0.5645	0.5510	0.6500	0.6280	0.3370	0.3200	0.1980
7/16	0.4375	14	20	5/8	0.6895	0.6750	0.7940	0.7680	0.3850	0.3650	0.2230
1/2	0.5000	13	20	3/4	0.7520	0.7360	0.8660	0.8400	0.4480	0.4270	0.2620
9/16	0.5625	12	18	7/8	0.8770	0.8610	1.0100	0.9820	0.4960	0.4730	0.2860
5/8	0.6250	11	18	15/16	0.9395	0.9220	1.0830	1.0510	0.5590	0.5350	0.3290
3/4	0.7500	10	16	1 1/8	1.1270	1.0880	1.2990	1.2400	0.6650	0.6170	0.3820
7/8	0.8750	9	14	1 5/16	1.3145	1.2690	1.5160	1.4470	0.7760	0.7240	0.4500
1	1.0000	8	14	1 1/2	1.5020	1.4500	1.7320	1.6530	0.8870	0.8310	0.5130

All dimensions are in inches.

Grade C All Metal Lock Nut, Plated

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Diameter Thread Pitch Width Across Flats Height of Nut Item # Availability Price Quantity UOM

3/8

9/16

0.3200

NFGC0370000

In Stock

$0.09537/EA

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3/8-16 GRADE C ALL METAL LOCK NUT, PLATED

$0.09537/EA

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Quantity	Price
Quantity	Price
1	$0.09537/EA
690	$0.08955/EA
2740	$0.08007/EA
12290	$0.05302/EA

3/8

9/16

0.3200

NFGC037NF00

In Stock

$0.18783/EA

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3/8-24 GRADE C ALL METAL LOCK NUT, PLATED

$0.18783/EA

Qty

In Stock

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Quantity	Price
Quantity	Price
1	$0.18783/EA
690	$0.17637/EA
2740	$0.1577/EA
12290	$0.10441/EA

IFI 100/107	IFI 100/107 establishes the dimensional, mechanical and performance requirements for three grades of prevailing-torque type steel hex nuts, in sizes No. 4 thru 1 1/2 in., and two grades of prevailing-torque type steel hex flange nuts in sizes 1/4 thru 3/4 in.
ASME B1.1 UNC & UNF Class 2B	Specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads.

Grade C All Metal Lock Nut, Plated

Technical Data

Governing Standards

Governing StandardsGrade C

Dimensional Specifications

Dimensional SpecificationsGrade C

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3/8-16 GRADE C ALL METAL LOCK NUT, PLATED

3/8-24 GRADE C ALL METAL LOCK NUT, PLATED