"Square Hole Drill Bit ,18 mm 0.71 inch High-carbon steel Hollow Chisel Mortise Power Tool for Woodworking

specification: size: 18 mm / 0.71 inch

weight: 0.31kg

product details:

1.Square hole drill

Made of high-carbon steel,

through heat treatment , HRC48-50 (high hardness)

2.Drill core

High carbon steel, precision manufacturing, Durable and unbreakable

3.Drill sleeve

The drill sleeve entrance with radians is square hole drill the standard design,which greatly reduces the resistance of the drill sleeve.

4.Chip Flute

U-long chip flute design is convenient for the discharge of wood chips and improves drilling efficiency, widened chip removal and smooth inner wall, resulting in greater chip removal5.Compatible shank type

The tail of the drill bit adopts a circular design, which makes the clamping more stable. It can be used with square hole drills and square tenon machines.

Scope of application:

suitable for wood products such as MDF, particle board, compressed version, plastic, wood (sandalwood, pine, ash, beech), etc., not for metal, glass, concrete, gypsum board material processing.

Applicable equipment:

suitable for square hole drills and mortise tenon machine, not for hand drills, bench drills, etc.

Kindly Reminder:

If you don’t have a square hole drill and a mortise machine.

Conside hand drills 

When using a hand electric drill, Drilling requires four steps.

<1> Drill first with a hand drill with a drill core

<2> Adjust depth, drilling and shape

<3> Beat with a Square Hole Drill Bit

 (note that be slow when striking)

<4> Square hole forming

Woodworking industry aspects.

Reduce the labor intensity of construction workers, accelerate the construction speed, and reduce the construction cost of construction, installation, decoration, decoration and other industries."