Features:
- Drill bit is made from carbon steel and countersink is made from good quality 45# steel which ensures a long service life.
- Combined drill bit and countersink bit is great for drilling, chamfering, deburring and countersinking.
- Five flutes design provides small chip loads and quicker removal, it can discharge wood sawdust more rapidly and smoothly.
- Suitable for drilling holes on board of low hardness such as wood, plastic and other soft material.
Specifications:
Material: Carbon steel(drill bit), 45# steel(countersink)
Countersink Flute: 5
Drill Bit Diameter:
7-piece set: 3/4/5/6/7/8/10mm+small wrench
4-piece set: 3/4/5/6mm+small wrench(Optional)
Countersink Diameter: 15.8mm
Hex Key Size: 55 x 20mm
Package Includes:
1 x Set x Countersink Drill Bit
1 x Hex Key
Note:
There are only 7pcs in 3-10set, and only 4pcs in 3-6set