21 Piece ANSI Jobber Drill Set, M35(HSS+5% COBALT), 135-Degree Split Point, 1/16-3/8", #0021-0200 Cutting Tools Size: R8 Bridgeport 7/16"-20 0355-0114

Size: R8 Bridgeport 7/16"-20 0355-0114 Max

Stylus protector

and heat-treated resulting in great durability

Stepping Nominal Dimensions NO

Stainless Steel Protractors

21 Piece ANSI Jobber Drill Set, M35(HSS+5% COBALT), 135-Degree Split Point, 1/16-3/8", #0021-0200 Cutting Tools Size: R8 Bridgeport 7/16"-20 0355-011421 Piece ANSI Jobber Drill Set, M35(HSS+5% COBALT), 135 Degree Split Point, 1 16 3 8", #0021 0200 M35(H. S. S.+5% Cobalt) 21pcs set: 1 16 3 8" by 64ths; Straight shank, ANSI standard; Right hand; 135 split point drills do not require spotting before drilling to prevent walking. With aggressive 135 split points, these cobalt drills bits not only last longer while drilling but also cut faster than standard high speed steel bits. It's ideal for drilling