Step Drill Bit- 3 Pcs Step Drill Bits for Metal, Stepped Drill Bit Set for Plastic, Wood, Sheet Metal

Use as step drill bits set, step bit drill, hole step drill bit, step drill bit for plastic, step drill bit metal Widely Application: 3 standard SAE tapered drill bits can drill 28 different size of holes on different thickness of materials. One 3/16-inch to 1/2-inch six-step bit, 1/4-inch to 3/4-inch nine-step bit, and 1/8-inch to 1/2-inch 13-step bit. Perfect for home repair and light jobs Feature: Durable and Sharp: Titanium coated surface can reduce friction and overheat when drilling through material for longer life time Which ensures easily cut through steel sheets, aluminum sheets, copper, plastic, wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean. Strong and Hard: the center punch delivers an automatic, high-impact, spring-loaded strike through adjusting the cap; its brass body has a deeply knurled surface for nonslip control; and the carbide tipped bit makes the center punch 10 times stronger than normal one;protective aluminum case makes the drills not easy to dull. Faster And Easier To Cut: Double cutting blades and X-type openings design ensures a faster and smoother cutting; and 3-sided shank design prevents slip in drill chuck; Provided with small pressure and the sets can cut through the wood, sheet metal, steel and other surfaces. Specification: Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" Weight: 0.13kg If this product have any quality question, please feel free to contact with us, we will give you a satisfy solution