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4-22MM Hex Titanium Step Cone Drill Bit Hole Cutter HSS 4241
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About 4-22MM Hex Titanium Step Cone Drill Bit Hole Cutter
Hex Titanium Step Cone Drill Bit Hole Cutter 4-22MM HSS 4241 For Sheet Metal Specification: Material:High speed steel 4241 Size: 4-22 mm(6,8,10,12,14,16,18,20 22)mm Shank:6mm(dia),25mm(L) Total:75mm(L) Allow 1-3mm measurement error. Features: 1, The ladder of its unique structure, a bit can open a variety of specifications of aperture. 2, Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken. 3, Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable,but it is possible. 4, The use of tools: drill, bench drill.Work while water cooling, can effectively extend the service life of drill bit, recommend drilling rate of 250-250 RPM. Package included: 1x Hex Titanium Step Drill
