Countersink Drill Bit Set 8 Pieces Three Pointed High Speed Steel Drill with One L-wrench for Wood Drilling or Woodworking Chamfer

Note:
-The best use of this product is to use a bench drill, because the hand electric drill is not fixed in.
-The operation process, the drill bit (especially the 3mm to 4mm) is prone to bend and break!
-Try to keep the drill vertical while drilling, so as not to be uneven.

-Suitable for drilling holes on board of low hardness such as wood, plastic and other soft material.
-Drilling length can be adjusted for various length screws simply by loosening and Tightening the setscrew.

Specification:

Material:Drill Head: HSS with Titanium coating
Intermediate chamfering drill body:Carbon Steel 45
Color: as shown in picture
Use:Wood Drilling
Flute:5 Flute edge chamfer 90 Degree
Handle: Round Handle

Dimension:
3mm(Dia) x 60mm(L)
3.5mm(Dia) x 65mm(L)
4mm (Dia)x 75mm(L)
5mm(Dia) x 85mm(L)
6mm (Dia)x 93mm(L)
7mm(Dia) x 100mm(L)
8mm (Dia)x 110mm(L)
10mm(Dia) x 120mm(L)

Packing Includes:
8 x Countersink Drill Bit
1 x L-wrench