Gracat HSS 4-20 Zig Zag Cut Step Drill Impact Hex Shank HSS AlTiN Easy BOOST with Tip (9step2mm)

[Type] Step drill 4-20 [Feature 1] Equipped with easy BOOST tip for reliable centering and long tip life; [Feature 2] Unique developed dual cutting edge reduces cutting resistance and makes drilling work more efficient; [] AlTiN ; [Compatible materials] Iron, aluminum, PVC, etc. (supports plate thickness up to 3.5 mm); [Shank] Hex impact shank (1/4" quick change compatible] 9 levels (4) .0-6.0-8.0-10.0-12.0-14.0-16.0-18.0-20.0)

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