TEMO M35 Cobalt Spiral Flute 12 Size Step Drill (3/16" (4.76mm)-7/8" (22.22mm))+ Automatic Center Punch Set
12 hole 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), 9/16" (14.29mm), 5/8" (15.88mm), 11/16" (17.46mm), 3/4" (19.05mm), 13/16", 7/8" (22.22mm) with 1/16" (1.59mm) increments. The size marks are stamped next to each step for easy use.
Double spiral flutes for more efficient swarf clearance; 1/4 Inch hex Shank with quick release slot to eliminate slipping; Self-starting for clean holes in thin materials;
M35 cobalt HSS to cut stainless steel. The step drill bit is 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. | Automatic Center Punch included: start or mark holes for drilling, screwing, and riveting.
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