About This 3pc M35 HSS Step Drill Bit Set 6, 9, 13 steps 6 STEP SIZES: 3/16" (4.76mm), 1/4" (6.35mm), 5/16" (7.94mm), 3/8" (9.52mm), 7/16" (11.11mm), 1/2" (12.7mm); 9 STEP SIZES: 1/4" (6.35mm), 5/16" (7.94mm), 3/8" (9.52mm), 7/16" (11.11mm), 1/2" (12.7mm), 9/16" (14.29mm), 5/8" (15.88mm), 11/16" (17.46mm), 3/4" (19.05mm). 13 STEP SIZES: 1/8" (3.175mm), 5/32"(3.97mm), 3/16" (4.76mm), 7/32" (5.56mm), 1/4" (6.35mm), 9/32" (7.14mm), 5/16" (7.94mm), 11/32" (0.79mm), 3/8" (9.52mm), 13/32" (10.39mm), 7/16" (11.11mm), 15/32" (11.91mm), 1/2" (12.7mm). DOUBLE STRAIGHT FLUTES: These step drill bits are made with M35 cobalt. It is ideal for variety of materials from stainless steel, metal, plastic, fiberglass to wood. They also help to enlarge existing holes. M35 HSSCo is a high speed steel alloy made up of 5% cobalt. M35 is similar to M2, but with 5% cobalt added. US-BASED CUSTOMER SERVICE: Available by chat, email, phone, or visit us at our customer service center in La Crosse, WI. Overview Material : Cobalt Steel Cutting Diameter : 0.5 Inches Finish Type : Uncoated Shank Type : Straight Brand : TEMO
