China HSS Counterbores with Parallel Shank Sdid Pilots

Product Description:

Product NameCylindrical Shank HSS Interchangeable Pilot Counterbore Drill Bit Tool for metal DuberringSize
Thread Size: M3Pilot Diameter: 3.2mm
Cutter Diameter: 6.0mmShank Diameter: 5.0mm
Overall Length: 71mmMaterialHigh Speed Steel (Cobalt5%-M35, Carbide Steel, Carbon Steel are Available)Shank TypeRound Shank(Hex Shank, Taper Shank, Tri-Flat Shank, Weldon Shank, Long Shank are Available)Surface FinishTin-Coated(White, Black and White, Black, Black and Yellow are Available)Package1 Piece in One Plastic Box (Double Blister Card is Available)Features
1.Counterbores for cutting holes where a capscrew or fastener is required to sit flush or even below the level of the workpiece. Thread size is the size of the screw thread to sit within the hole and cutting diameter shows the size that will be cut for both the capscrew and head.
2.Made from industrial grade High-Speed Steel for increased durability.
3.A counterbore hole is usually used when the head of a fastener, such as a hex head or socket head capscrew, is required to be flush with or below the level of a workpiece's surface.Size:
* Other Sizes are available,Concact Us to Learn More.