Ocut Twist Drill Bit Straight Shank Cobalt-Containing Stainless Steel Special Drilling Super-Hard Rotor Metal Iron Aluminum Alloy Drill Bit 1-20mm
ชื่อผลิตภัณฑ์: Cobalt-containing twist drill
Material: M35 high speed steel
Product specifications: M1-M13
Standard: Metric
Surface treatment: no treatment
คุณสมบัติ: high hardness, wear resistance and high temperature
Product usage: stainless steel, mold steel, aluminum, iron, copper, ฯลฯ…
