Woodworking 38" 9.5mm Shank Square Mortising Mortiser Core Twist Drill Bit Wood Drilling Hole 516" 7.94mm516" 7.94mm

Descrtion:

6.35/7.94/9.5/12.7mm Woodworking Mortising Set Square Hole Drill Bit 1/4 to 1/2 Inch



Specification:


Material: high-speed steel

Hardness: HRC48-50

Size:5/16" (7.94mm)

Clamping shank diameter: 19mm (Round)

Length: 210mm

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Features:


This Mortising set is great for drilling square holes in wood with a mortising hine or a mortising attachment.&sp;

Square hole drill can not be used on an electric drill, drill square holes need to fit a square hole drill drilling (mortise and tenon hine) to use.

Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination.

Reduce labor intensity of construction workers, speed up the construction speed, reduce construction ts for construction, installation, renovation, decoration industries.

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Use matters: Square hole drill is mainly used for woodworking aspects.&sp;

To hining square hole, must drill the hole or hine processed crude hole, then made from hand.

The utility model in the hole drilled by the rotary body, while the impact of the use of hammer impact 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 be broken slag discharged from the tube.



Note:

Please note that the paage inlcudes one drill .

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Paage Included:

1 x&sp;Square Hole Drill Bit&sp;



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