Description
Use external tooth lock washers when you need maximum holding power in a washer. Team them up with fasteners having heads large enough to make contact with the washer teeth. Examples include: round head, pan head and binding head. Zinc plating, retards the corrosion rate in a normal atmosphere. #8 External Tooth Lock Washer Rockwell C40 Steel Zinc Plated #8 EXTERNAL TOOTH LOCKWASHER ZINC CR+3 Fastenal Part No. (SKU) 33734 McMaster Carr Part No. 91114A009 Tooth Location External For Screw Size No. 8 ID 0.168" OD 0.363" to 0.381" Thickness 0.018" to 0.023" Specifications Met ASME B18.21.1 Finish Zinc Plated Hardness Rockwell C40 Material Steel System of Measurement Inch Washer Type Tooth DFARS Compliance Specialty Metals COTS-Exempt ECCN EAR99 REACH Compliance REACH (EC 1907/2006) (06/27/2024, 241 SVHC) Compliant RoHS Compliance RoHS 3 (2015/863/EU) Compliant Schedule B Number 731821.0000