6pcs M3-M10 Combination Drill Tap Bit Hex Shank Blue Coated Deburr Countersink Bits Screw Thread Metric

Feature: 
1. High hardness, rust proof, durable. 
2. Drilling, Tapping, Deburr three in one. 
3. Self centering, no need for auxiliary center drilling or center punching. 
4. Fast replacement composite cone, uses drill edged principle. 
5. Suitable for the processing of soft metals (such as aluminum alloy, zinc alloy, tin alloy), thin wood boards and plastics with a thickness of less than 5 mm. 
  
Specification: 
Type:Drill Tap; 
Material:HSS (Blue); 
Type:
S: short stpe; 
L: long type(Optional)
Quantity: 6 Pcs (M3, M4, M5, M6, M8, M10)
  
Package included: 
6 X Combination Drill Tap