Specifications

1. CBN Profile Ground
2. Right Hand Cutting
3. HSS 4241, 4341, M2
4. Laser Marking
5. Triangle / Hex / Round Shanks

Most Popular HSS Step Drill Set

Always the 4.0-12.0 / 4.0-22.0 / 4.0-30.0 combination is the most popluar type in the market, especially for DIY tools promotion in supermarket. So for it, we suggest HSS-4241 type.

 

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. 

Specification 

Cut. Dia.	Shank dia.	Cut. L.
4.0-12.0	6.0	80.0
4.0-20.0	8.0	67.0
6.0-30.0	10.0	98.0
9.0-36.0	12.0	86.0
7.0-32.5	6.0	96.0

 

Liaoning Longbaizhou Electromechanical Technology Co.,Ltd

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