Premium sealing system for self drilling fasteners. Encapsulated EPDM rubber washer for improved in-place appearance and increased washer life. Integral washer design ensures a seal even when driven at a 12 degree angle
Patented ABOT™ anti-back out thread form.

These hex drive self drilling screws in 410 stainless steel are used for a variety of applications including attaching materials to metal up to 12 gauge in thickness. 410 stainless provides both corrosion resistance and the hardness required for drilling through steel.

Stainless steel self drillers for the most demanding projects, features the drilling capabilities of 410 stainless steel with increased corrosion resistance. Will withstand over 300 hours of salt spray with no oxidation. Rockwell C-53 typical hardness. Magnetic heat treated and passivated chrome/moly alloy. Indented hex head, tapping screw thread, #3 drill point

A tapping screw with an integrally formed hex washer head and assembled with 9/16 (5/8 for #14) outside diameter bonded NEO-EPDM washer to create a leak proof seal, spaced or unified threads, and a #2 or #3 drill point. Designed to drill through steel. 410 Stainless steel to drill through harder material and provide the corrosion resistance. Rockwell C50-56. Meets F.I.P.-1000.7 for torsional strength & drill speed. Meets F.I.P.-1000.7 for torsional strength & drill speed. Manufactured to SAE J78 for dimensional specifications