M35 5% Cobalt Step Drill Bit 3-12 4-22 6-24 HSS-CO High Speed Steel Cone Metal Drill Bit Tool Hole Cutter for Stainless Steel

Features:

• 100% brand new and high quality.

• HSS-CO M35 Spiral Flute Step Drill Bits Cut Tool Set.

• Made from HSS-Co, heat treatment to it, high hardness, high wear resistance, high toughness, high bending strength, sharp edge, the best choice for processing stainless steel, better than ordinary step drill.

• COBALT PLATING to reduce mit and run cooler.

• Automatically deburr holes as you drill.

• Unique step structure, a drill bit that allows you to make holes of various sizes, making the perfect hole is easily.

• A step drill with a box. very convenient.

• Does not need center punch to assist it, compared with ordinary hemp flower drill, it is stabler and difficult to be broken.

• It is suitable for being installed on the pistol drill and bench drill, applicable for punching on harder workpieces, widely used to cut holes in a variety of material like stainless steel tapping steel, wood, thin iron, aluminum alloy, moisture boards, PVC sheet, ect

Note:

• Please water it for cooling while punching so that can prolong its lifetime, rotation rate from 250 to 400 is recommended.

Specifications:

Material: HSS-Co(HSS M35 5% Cobalt)

Handle type: Hex handle

Handle diameter: 1/4"(6.35mm)

Model Step quantity   Edge length  Handle length     Step diameter

3-12mm 9steps             50mm          31mm           3-4-5-6-7-8-9-10-12mm

4-22mm 10steps            50mm          31mm           4-6-8-10-12-14-16-18-20-22 mm

6-24mm 11steps            57mm          31mm           6-8-10-12-13-14-16-18-20-22-24 mm