3/8 Inch Zinc Clear Low Carbon Steel Solid Shaft Collar Best Seller These gloves are tested to

These gloves are tested to resist permeation against fentanyl for up to 240 minutes under the standard ASTM D6978

Fire retardant for added safety

Guaranteed not to leak

Outside Diameter Minimum: 4

3/4-16 GR B TORQ PREV LOCK NUT

3/8 Inch Zinc Clear Low Carbon Steel Solid Shaft Collar Best Seller These gloves are tested toStandard style (SC) shaft collars use a hardened set screw to penetrate the shaft so as to achieve grip This penetration yeilds light duty benefits for applications like thrust collars abor spacers sprockets hubs bearing holders and shaft protectors SC collars do not work well when th shaft is harder than set screw or when penetration marks on the shaft are not desirable Black oxide coating will slightly increase friction and holding power in some