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Feature
Metric 6-60mm Step Drill Bit HSS Industrial Reamer Increment 12 Steps Tool KitShank Diameter: 13mm
size:6-60mm(12 steps:6,10,15,20,25,30,35,40,45,50,55,60mm)
Tool using: pistol drill, bench drill. Water to make ti cool while working, it can effectively extend the service life. Recommended drilling speed 250--400 rpm
Suit for use in hardness under 25 artifacts(Such as iron, steel, PVC panels, wood board ,Do not fit for cutting Stainless steel ) , The plate thickness under 5mm
Description
Features:
100% brand new and high quality
Unique ladder structure , it can open multiple Aperture
it can not easily be broken.
It can deburr, chamfer and open hole, but ordinary twist drill can't
Little rock, it can carve out a nice aperture without firstly using a center punch
Suit for use in hardness under 25 artifacts(Such as iron, steel, PVC panels, wood board ,Do not fit for cutting Stainless steel ) , The plate thickness under 5mm
Package Included:
1pcs HSS 4241 Spiral groove step drill