Description:
Drillpro 7pcs HSS 5 Flute Countersink Drill Bit Set Reamer Woodworking 3-10mm Chamfer Drill Bits
Single Flute edge chamfer 90 Degree 
Heat treated & tempered high-carbon steel.
Use on steel, aluminum & other metals, plastic or wood 
Enlarge or countersink holes, deburr edges

Specification:

Product name	Countersink drill bit set
Model number	911781
Material	High Speed Steel
Color	Silver and black
Chamfer Angle	90 Degree

Dimension: 

3mm	(Dia) x 60mm(L)
4mm	(Dia)x 75mm(L)
5mm	(Dia) x 85mm(L)
6mm	(Dia)x 93mm(L)
7mm	(Dia) x 10mm(L)
8mm	(Dia)x 11mm(L)
10mm	(Dia) x 12mm(L)

Features:
1. Special designed steel counter sleeve countersinks or counter bores guide hole.
2. Adjustable counter sleeve depth with wrench.
3. Drill and countersink for wood screws without changing
4. Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew.
5. It is suitable for drilling machines with chuck, for drilling on hard wood or wooden floor.

Package Included:

7x	Woodworking chamfer drill bits
1x	L-wrench

More Details: