3-13mm 1/4 Inch Hex Shank Step Drill Bit HSS Titanium Coated Step Drill Bit

Description 3 13mm 1 4 Inch Hex Shank Step Drill Bit HSS Titanium Coated Step Drill Bit Specification Material HSSSurface treatment titaniumShank 1 4 Hex ShankSize 3 13mm 11 steps 3 4 5 6 7 8 9 10 11 12 13mm Shank Length 30mmTotal Length 77mmQunantity 1pcFit for Below 25 ℃ Workpiece Such As Steel Iron Steel Plate Thickness under 4mm 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 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 Package Included 1x 3 13mm Step drill Note 1 Please allow 1 3mm error due to manual measurement pls make sure you do not mind before you bid 2 Due to the difference between different monitors the picture may not reflect the actual color of the item Thank you More Details