Square Hole Mortise Chisel Drill Bit Tools, HSS Woodworking Hole Saw Mortising Chisel Drill Bit Set Twist Drill, Different Sizes 1/4″ 5/16″ 3/8″ 1/2″ 9/16″ 5/8″(6pcs)

Description

FEATURES:
Various existing bits, can only process a circular hole, square hole can’t be processed, to machining square hole, should drill the hole or cutting machine processed crude hole, then chisel created from artificial hand.

This utility model in the hole drilled by the rotary body, even as the have an effect on of the usage of hammer have an effect on force transmitted to the outer body, the material crushing round hole and square head wall, a one-time processing of a square hole, and the dust can also be broken slag discharged from the tube.

Using different specifications of the square hole drill, matching the appropriate power of the square hole machine, you’ll be able to play a square hole to meet the requirements.

Professional wood drill, suitable for construction, installation, decoration, decoration and other industries.

Specifications:
Material: HSS ;Hardness: HRC 48~50
Holder diameter: 19mm (circular) ;Drilling core length: 200mm
Slotting flute diameter:1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 1/2 Inch (12.7mm), 9/16 Inch (14mm), 5/8 Inch(16mm).

Package Included:
1 x 5/8-inch (16mm)
1 x 9/16-inch (14mm)
1 x 1/2-Inch(12.7mm)
1 x 3/8-Inch(9.5mm)
1 x 5/16-Inch(8mm)
1 x 1/4-Inch(6.4mm)

Size: 1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm),1/2 Inch (12.7mm), 5/8 Inch (16mm), 9/16 Inch (14mm)
Material: Made of high-speed steel,Heat remedy, HRC48~50, high hardness,lengthened core,high concentricity.
Application: Our woodworking morstising chisel bits suitable for drilling square holes in wood with a tongue-and-groove machine or tongue-and-groove attachment, and has a long service life, please rest assured to make use of.
Drills precise holes with little pressure,reduce the labor intensity of construction workers, accelerate the construction speed, reduce the construction cost of construction, installation, decoration, decoration industry.
Notice: square hole drill needs to cooperate with square hole drill machine (mortise and tenon) use and can’t use with electric drill, bench drill.