The Light Source 1" Diameter Belleville Spring Washer

BOLT ASSEMBLIES Mega-Coupler Bolt Assemblies include the Mega-Coupler swivel bolt, a 1/2" SAE washer, and a 1/2" nut. Also available in stainless steel. HARDWARE PACKS Sets of bolts, nylock nuts and Belleville Washers. Packs for 1/2" Mega-Couplers include 12 sets. Packs for 3/8" Mega-Couplers include 24 sets. SPIROL PIN The spirol pin locks a Mega Swivel Coupler into a 90 degree position. METRIC Countersunk Mega-Couplers can be converted to metric using metric bolts and nuts. The M-12 fits the 1/2" Countersunk Mega-Coupler. The M-10 fits the 3/8" Countersunk Mega-Coupler.