Taper Shank Drills For Iron Frames 鋼構用斜柄鑽頭    TP-152

l          35˚ helix angle combined with 160˚+100˚point angle design reduces axial thrust while upgrading machining accuracy without burrs on hole edge.

l          Surface is coated with TiN HV2000, featuring maximum wear-resistance, low friction-coefficient, anti-adhere, superior cutting performance and long service life.

l          Especially ideal for drlling holes on H Beam Structural Steel.