Specifications:ShapeCylindrical Grinding HeadMaterialDiamond + High Manganese SteelGranularity46 #Outer Diameter21 mmShank Diameter8mm+10mm+12 mmLength60 mm Feature:▲ The new welding process is sharp, the diamond concentration is reasonably controlled, and the cutting effect is good.▲ M4 meat screw ..
Description:
3pcs HSS Nitrogen Step Drill Bit Set 3/16-1/2 1/4-3/4 3/16-7/8Specification:Material: HSSType:3/16-1/2,1/4-3/4,3/16-7/8Total quantity: 3pcsSize:
Type
Diameter of Head
Diameter of Shank
Length of Blade..
Descriptions: 3Pcs HSS Round Shank Titanium Coated Quick Change Step Drill Bits 3/16-1/2 1/8-1/2 1/4-3/4 InchSpecification:Product NameStep Drill Bits MaterialHigh Speed Steel 4241Suitable ForUsed for the hardness of the material which is below 25°, like iron borad, steel board, PVC board, Insulatio..