✨An essential hardware tool for industrial.
✨Material": HSS-AL super-hard high speed steel
✨Hardness": HRC65~68°
✨Drill Quantity":5pcs
✨Drill Size": m3, m4, m5, m6, m8.
✨Specifications":(Boot*Blade Diameter*Shank Diameter*Full Length)
✨M3=3.2*5.9*6*45mm M4=4.2*7.4*6*48mm
✨M5=5.2*8.9*6*51mm M6=6.2*10.4*8*58mm
✨M8=8.2*13.4*12*67mm
✨Package Weight": Approx.130g /4.6oz
✨Package Includes": 1 Set(5pcs) x Countersink Mill Cutters
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