3pcs Step Countersink Drill Bit, Hss Stainless Steel Metal, 4-12 / 20 / 32mm

High quality materials, quality assurance: Drill holders and cone drills are made of high quality HSS stainless steel, durable. Operation suggestion: When using the electric drill, it should be as vertical as possible, not shake or tilt, and the electric drill should not turn too fast.

Save time and labor-intensive, efficient and fast: The HSS taper drill bit is made of high speed steel, which can reduce heat and friction, cool quickly and automatically remove debris in the hole when drilling. The spiral design can prevent slipping, making drilling easier and more efficient.

Three sizes to meet your needs 4mm-12mm, 4mm-20mm, 4mm-32mm, you can choose different drills according to your needs.

A wide range of uses: The product can process thin iron plates, aluminum, insulation boards, PVC boards, wood boards and other materials with a thickness not exceeding 3mm.

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