YG ดอกสว่านเจาะสแตนเลส HSS-Co5% TiN Coated HSS 5% Cobalt Jobber Drill
▶Flute Geometry : Right hand helix
▶Point Angle : 135˚
under 1.6mm : Normal point
1.6mm & over : Split point
▶Surface Treatment : TiN-tip coating
▶Application : Drilling in Steels, Cast Steels Alloyed and Non-Alloyed, Stainless Steels, Aluminum and Titanium