Irwin 3/8 In. Cobalt Pilot Point Drill Bit Inventory by API (2) door pull handles

(2) door pull handles

on or below grade

Steel garage door roller with ball bearings and a steel inner race

Extruded aluminum with channel that adjusts for different door heights

Irwin 3/8 In. Cobalt Pilot Point Drill Bit Inventory by API (2) door pull handlesIndustrial M42 grade steel with 8% cobalt for drilling in stainless steel, abrasive metals, and other hard to drill alloys. Pilot point, 135 deg (degree) split point design penetrates immediately and prevents walking. Parabolic flute design for improved heat dissipation and increased life. No spin shank eliminates bit slippage. Jobbers length. Sizes 7 16" and 1 2" have a 3 8" reduced shank.