Woodworking Twist Drill Bit & Set

Specifications

Hss twist drill bit

1, Material: HSS 4241/4341/9341/M2/M35

2, Manufacturing Process: Rolled,Fully Ground,Milled

3, Surface treatment: amber, black-oxide, bright.......etc.

4, Standards:  DIN1897,  DIN338,  DIN1869,  DIN340, DIN345, DIN341......etc.

Masonry drill bit

1.This product  not only has the high quality,but also has a beautiful appearance.

2.  We could produce according to customer's requirements based on standards: DIN8039, ANSI B212.15-1994, GB/T6335.1-1996, ISO5468 etc;

3.  Using special high quality carbide tip, and 40Cr or better material for body;

4.  Heat-treatment: auto net belt stove handling equipment, could meet strictly torsion test;

5.  Flute type L, U, W  etc produced by CNC machine, high function self-protection tip welding system guarantee reliable & stable welding quality;

6.  Surface treatment: Sand-washed, electrophoresis etc, could drill holes on cement, block, granite, and other stone with hammer drills.

7.  Using impact drill with SDS, or SDS adapter, drilling on granite, stone, cement, tile etc hard material, continues deep is over 5000mm, and could drill on normal material with better drilling effective.

Wood working drill bit

1.Made of hign carbon steel,tungsten carbon or CV steel Brad point with two shoulder cutters

2.Center point enters first,prevents "Skating"

3.Cutting flutes are engineered for optimum Chip ejection so drill accurate,splinter-free holes in soft wood,hard wood,paywood and hard wood.

4.Diameter: 3-26mm(1/8"--1")

5.Length:150/160/200/300/400/600 (6",8"12",16")