New Products

DIN 6797 Zinc Plated External Internal Lock Washers

As a professional fastener supplier, Wenzhou Fengyi not only provides standard specifications of DIN 6797 zinc plated external internal lock washers, but can also customize products of various non-standard sizes and materials according to customer requirements to meet the individual needs of different customers. We have advanced production equipment and technical teams to ensure product quality and delivery cycle, and provide customers with efficient and convenient customized services.

Send Inquiry

Product Description

DIN 6797 Zinc Plated External Internal Lock Washers are ideal for electrical bonding. They are useful when a larger load-bearing surface is required or across oversized or elongated holes. They can also be used as an insert between two adjustable pieces to maintain their position after original setting.

Combination Tooth Internal-External Lock Washers(ASME B18.21.12009)
Nominal Washer Size		A		B		C
		Inside Diameter (ID)		Outside Diameter*(OD)		Thickness (TH)
		Max	Min	Max	Min	Max	Min
4	0.112	0.123	0.115	0.475	0.460	0.021	0.016
6	0.138	0.150	0.141	0.510	0.495	0.028	0.023
8**	0.164	0.176	0.168	0.506	0.494	0.028	0.023
8	0.164	0.176	0.168	0.610	0.580	0.034	0.028
10	0.190	0.204	0.195	0.610	0.580	0.034	0.028
1/4	0.250	0.267	0.256	0.760	0.725	0.040	0.032
5/16	0.312	0.332	0.320	0.900	0.865	0.040	0.032
3/8	0.375	0.398	0.384	0.985	0.965	0.045	0.037
7/16	0.438	0.464	0.448	1.070	1.045	0.050	0.042
1/2	0.500	0.530	0.512	1.260	1.220	0.055	0.047
5/8	0.625	0.663	0.640	1.410	1.380	0.060	0.052