Feature

●Parts work best with large head screws such as round, pan, binding, and washer-head screws
●Teeth used for locking & tension
●Included variants run from #4 to 1/2" in screw size
●Full assortment includes both internal and external variants
●Stainless steel finish for best-in-class corrosion resistance
●These stainless steel internal toothed lock washers feature a #4 screw size
●70 pieces per retail package


Description

Product Description

Internal tooth lock washers are hardened, circular washers with twisted prongs or "teeth" extending inward from the inside edge. The internal "teeth" are used to prevent nuts and bolts from loosening, or backing out, caused by vibration and/or corrosion. These have a zinc-plated finish.

From the Manufacturer

Internal tooth lock washers are hardened, circular washers with twisted prongs or "teeth" extending inward from the inside edge. The internal "teeth" are used to prevent nuts and bolts from loosening, or backing out, caused by vibration and/or corrosion. These have a zinc-plated finish.