Name: High speed steel 4241 titanium plated step drill
handle: hexagonal handle, handle diameter 6.35MM
material: high quality HSS-4241 high speed steel
surface Treatment: titanium plating
specifications:
4-32mm(4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm)
4-20mm(4,6,8,10,12,14,16,18,20mm)
4-12mm(4,5,6,7,8,9,10,11,12mm)
scope of Application: suitable for wood board, sheet iron plate, aluminum plate, insulation board, PVC board, plastic and other workpieces. For other steel plates with high hardness, we recommend that you use 6542(M2) and M35 cobalt-containing drill bits for drilling with high hardness materials such as stainless steel.
Product features:
this product is made of precision cutting and grinding, with titanium plating on the surface, anti-rust and wear-resistant, and one drill can open multiple specifications.
1. Unique ladder structure, a drill can open a variety of sizes of aperture, a step drill against a box of drill.
2. No need to use center punch, which is not easy to break compared with ordinary twist drill. For on-site construction, more than step drill specifications are applicable.
3. Deburring, chamfering, elliptical hole expansion, and twist drill functions that cannot be completed are possible.
4. Compared with ordinary twist drill. The shaking is small, and the beautiful aperture can be opened without using center punch first.
