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We manufacture Low price and high quality bit NEW DRILL BIT SET Supreum tequnique and selected material - details see: https://www.machineto.com/6-piece-drill-bit-set-red-spray-paint-quad-flute-drill-10148942

Product Description:

Innovative wood drill bit set made from high quality steel. Large centre-point allowing precise drilling. Hardened front and main drilling edge lengthens durability of the drill bit. Through the special countersunk spirals the chip removals are im-proved. The drill bits are equipped with ” hexagonal direct collet allowing for a better hold in the chuck (no slipping) in conjunction with bit holders (Cordless screwdrivers),With its all new quad-flute & quad cutting head design.

Ultra-Smooth and Balanced Cutting Action

Rapid Drilling Action

Extreme Durability

Exceptionally Clean Breakthrough

1) Made of controlledd heat treated high carbon tools steel.

2) Hardened cutting edges require less resharpening.

3) Large,wide throat design gives excellent chip clearance from deep holes.

4) Quick change shank(1/4")(7/16")

5) Hex shank of drill bit is also available

6) Capable of boring hard wood with embedded nails

7) Drill spurs have 3 cutting edges for added durability

8) Full screw tip allows drill bit to self feed

Bit Diameter:	3/8''~1-1/2'',10~40mm
Bit Material:	High Carbon Steel
Drill Bit Type:	Spade/Flute
Drilling Depth (Inches):	4"~17",90~450mm
Length (Inches):	5"~18",120~473mm
Shank Diameter (Inches):	1/4",7/16",6.45mm,11.12mm
Bit Diameter:	3/8''~1-1/2''
Bit Material:	High Carbon Steel(65#)
Drill Bit Type:	Spade
Drilling Depth (Inches):	3.5~16.5
Length (Inches):	4.5~17.5
Shank Diameter (Inches):	0.25/0.4375

Function:

*Made of #65 high carbon steel (SAE1065 steel) for various woods drilling at 6times faster than standard flat bits or its 3-flute counterparts.
*Full screw tip for ease of use and pull through.
*Cutting Spurs for clean holes with minimal 'break out'.
*4-flute Design for faster chip ejection.
*Tapered Flute for less binding and ease of use.
*Full Length Heat Treat for extra durability.
*1/4"Quick Change Shank for quick change adapter and connector system.
*The color in the spiral flute can be upon customer's special requests to be different.