ดอกสเต็ปดริลเคลือบไททาเนียม Step drills Hss-TiN
RUKO (Made in Germany)
Point cut: work´s specification with split point din 1412 C
Point angle: 118°
step angle: 90°
Ø tolerance: works specification
surface: bright / titanium-nitride coated
right hand cutting