7.8mm U-111 Cobalt HSS Straight Shank Twist Drills For Stainless Steel
1.Basic on HSE feartures heat and wear resistance .
2.”X” thinning reduces thrust load, accurates concentricity and
dissipates heat easily.
3.Thick web design provides high rigidity and minimum vibration.
4.Suitable for drilling tough materials, such as Stainless Steel, Titanium
Alloy and Heat-resistant Steel, etc.
HSS-CO 8% (in. m/m.) PA130°