Wood Countersink Drill Bits Set for 2.8 3.2 3.5 4mm Pilot Screw Hole Woodworking

Features:

-These square hole drill bits made of High-carbon steel, through heat processing, with high hardness drill bits, and sharp-edged square chisel, long life

-These long square drill bits set can meet most of your needs.

-Woodworking drill bit sets with long drill core and square chisel, easy to lock the hole on the wood, then you can get different mortisers quickly. Also, it is labor saving

-These woodworking morstising chisel bits set are suitable for drilling square holes in wood with a mortising machine or a mortising attachment. Also, it fit for electric drill, hammer & other tools.Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.

 

 

 

Specification:

-Drill bits Material:High carbon steel

-Square Hole Saw :1/4'' 5/16'' 3/8'' 7/16'' 1/2'' 9/16'' 5/8'' 3/4'' 7/8'' 10mm

-Core drilling:6mm 6.4mm 8mm 9.5mm 10mm 11mm 12.5mm 12.7mm 14mm  15mm 16mm 17mm 18mm 19mm 20mm

-Hardness: Up to HRC48~50

-Uses: Opening hole 

-Use for: Wood 

-Shank:Round Shank  

 

 


Package Include: According to your choice. Select the sizes you want from the dropdown box

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