Specifications

HSS twist drill step
drill perfect for drilling multiple-size holes in thin sections of metal, plastic and wood using a single

HSS Step Drill

 

1 x HSS 5 step drill 4-12mm(1/4 " hex shank)
1 x HSS 9 step drill 4-12mm(1/4 " hex shank)
1 x HSS 9step drill 4-20mm(1/4 " hex shank)
3 x 1/4"Saw drill:5/6/8mm(1/4 " hex shank)
1x Quick-change 1/4 " hex shank

 

Application

 

1. For drilling large holes in thin material and reboring existing holes

2. Steel sheet and stainless steel from 0.1 to 2 mm thick. 

3. Non-ferrous metals from 0.1 to 5 mm thick. 

4. Plastic up to 10 mm thick. 

5.  In all rotary and percussion drilling machines

6.  In machines for mechanical processing

7.  Only for rotary use.