HANUUAZ Clearance! Metal Titanium Drill Hex Bit for Sheet 422MM Hole 4241 Faucets (Yellow)

HANUUAZ 4-22MM HSS 4241 Hex Titanium Cone Drill Bit Hole Cutter for Sheet Metal Description: ex Titanium Step Cone Drill Bit Hole Cutter 4-22MM HSS Size: 4-22 mm（6 8 10 12 14 16 18 20 22）mm Shank:6mm(dia) 25mm(L) Total:75mm(L) Material:High speed steel Color:As shown The ladder of its unique structure a bit can open a variety of specifications of aperture. Do not need to use center punch compared with the ordinary twist drill isnot easy to be broken. Deburring chamfering eltic hole enlargement twist drill the function of them was unable but it ispossible. 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 include 1x Hex Titanium Step Drill: