CHTOOLS spiral flute HSS step drill bit

Features:

1. Features: one drill = multiple drills                                

2. Material: HSS-E                           

3. Type: straight & spiral flutes; complete in specifications;TiN and TiALN coatings are available to extend service life.

4. Applicable work materials: steel plates and various other thin plates of stainless steel, copper, aluminum, etc. 

5. Applicable equipment: drilling machine, electric hand drill, magnetic drill etc.              

Application:

Steel structure, bridge engineer, shipbuilding industry, oil drilling rig, railway construction, machine manufacturing, electric power and other fields.