dlm0614

1.Shank diameter:3, 3.17mm 2.Length:45mm 3.Diamond grit:#80,#100,#120,#150,#200 4.Coating: nickel, titanium, available Feartures:1. Shank diameter:3mm, 3.17mm2. Length:45mm3. Diamond grit:#80, #100, #120, #150, #2004. Coating: nickel, titanium, available5. Packing: 50pcs/set ,or upon customers requestDiamond mounted points are good with smooth cutting surface,and high drilling speed when working, ...