7Pcs M3-M10 6.2mm Hex Shank Blue Coated Screw Thread Metric Compound Tap Drill Bits with Extension Rod

Specifications: 
Product Name: Compound Tap Drill Bits; 
Material: Carbon Steel; 
Cutting Diameter: M3, M4, M5, M6, M8, M10; 
Length: 66/66/68/68/69/72mm; 
Extension Rod Length: Approx.58mm/2.28in; 
Coating: Blue Coating; 
Weight: About 117g; 
Quantity: 7 Pcs × Compound Tap Drill Bits; 
  
Features: 
- 6.2mm hex shank metric compound thread tap with extension rod; 
- There are 6 pieces of taps in different sizes from M3 to M10 that you can use for tapping various threads; 
- High hardness, fast cutting, wear high temperature; 
- Extension rod with magnet can be used with electric drill; 
- These taps are used on a machine to do the tapping, generally more accurate because human error is eliminated; 
- Hole tapping chamfering in one, easy to operate, hand drill, bench drill, hex chuck tapping machine available. 
  
Package Included: 
6 pcs x Thread Tap; 
1 pc x Extension Rod