【Enhanced Durability with HSS Titanium Coating】Our high-speed steel (HSS) drill bits, fortified with a titanium coating, offer exceptional durability and maintain sharpness even through demanding tasks. can reduce the friction drill, and perform well in heat, corrosion, and rust resistance.
【Precision-Engineered Design】118° split point tip of the drill bit increases speed, reduces friction, pressure, and heat, making the drill bits long-lasting and efficient. This versatility proves invaluable for tasks involving metal, wood, and plastic, including countersunk holes
【wide range of uses】The step drill bits set includes 5 standard bits that can replace 50 individual drill bits and an automatic center punch sizes ranging from 1/8" to 1-3 allowing for a wide range of drilling requirements and precise hole size selection. Comes with an aluminum box for convenient and organized storage
【Automatic Center Punch】Say goodbye to "walking" drill bits with our included heavy-duty spring-loaded automatic center punch,Mark a slight indentation to keep the step bit in place for easier drilling
【After-Sales Service】All the cone bits come in a well-organized aluminum case for easy transport and storage. If you are not fully satisfied with our product for any reason, please contact us for a 100% refund or replacement.

Size:

🛠️: 1/4" to 1-3/8" 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8")

🛠️: 3/16" to 7/8" 12 Steps (3/16'', 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16",7/8")

🛠️: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4")

🛠️: 1/8" to 1/2" 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'')

🛠️: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'')

مرحبًا،

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