IIS Manufactures & Supplies External Tooth Lock Washer DIN 6798

We are manufacturing Serrated Lock Washer external & internal according DIN 6797 & Customer requirements .

The external serrated lock washer (Type A) -The teeth at the outer diameter of the washer which supports to lock more area to reduce loosening.

The internal serrated lock washer (Type J)-The teeth at the inner diameter of the washer which is use for bolt or screw tightening.