When activated with a screw

1/4 x 3 3/4 Phillips Flat Hi-Low Thread Concrete Screws Blue Ceramic Coated

142" (118 mils

meets or exceeds DIN 7991

7/8-14 x 2 Hex Cap Screw SS 18-8 (A2)

7/8-14 Nylon Insert Locknut 316 Stainless Steel 1/2-20 Hex Cap Screws 316 Stainless Steel When activated with a screw7 8 14 Nylon Insert Locknut 316 Stainless Steel . 316 stainless steel hex nut with a nylon filled collar at its back end. When a screw reaches the collar, the threads and nylon form a tight, frictional fit, restricting movement of the screw when it is subjected to vibration. Designed to be used with like material machine screws and bolts. It is able to be reused more times than a two way reversible nut, however, nylon will begin to deteriorate at