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.
- There are 10 sizes of 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm and you can choose the one you need.
- 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: 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, 3-10mm(3/4/5/6/7/8/10mm), 3-6mm(3/4/5/6mm)(Optional)
Countersink Diameter: 15.8mm
Hex Key Size: 55 x 20mm
Quantity: Your choice
Package Includes:
1pc(or 1 set) x Countersink Drill Bit
1 x Hex Key
Note: There are only 7pcs in 3-10set, and only 4pcs in 3-6set.
