WinningBore Step Drill Pyramid Drill 4-12mm Titanium Coating

[Features] ●Titanium coating for outstanding strength and durability. ●Spiral cut system improves sharpness. ●Convenient for deburring, enlarging holes, and chamfering. ● Center punch work is unnecessary.

[Use] ●Cover materials: iron (up to 2 mm), stainless steel (up to 1.6 mm), aluminum, copper, plywood, plastic.

[Specifications] ● Total length (mm): 70 ● Number of steps (steps): 9 ● Step width (mm): 5 ● Shank diameter (mm): 6.35 ● Surface treatment: titanium coating ● Drilling dimensions (φ): 4, 5, 6, 7, 8, 9, 10, 11, 12

[Specification 2]
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[Material/Finish] Kosoku steel (HSS)

[Set Contents/Accessories] None

【Note】
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