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Material: HSS4341; Shank: Triangle shank
Surface treatment: Gold Finish+Nitriding;Total weight: approx 211g
Size:1/4",3/8",1/2",5/8",3/4"; Original package: re-sealable metal box
Shank Diameter:3mm,6mm,6mm,6mm,6mm; Head Diameter:6mm,10mm,12mm,15mm,19mm
Package Included: 5pcs Tri-Flat Shank Countersink Drill Bit Set HSS 5 Flute Taper Cutter
Specifications: Boxed countersink drill bit set HSS 5 flute edge chamfering 82 degrees taper cutter. Good in chip removal for its 5 sharp flutes that is not easily blunt. For punching deep holes or cutting taper on aluminum parts, iron, PVC plate and other soft materials.