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SKU:76301748
4Pcs Woodworking Square Hole Drill Bits Wood Mortising Chisel Set Mortise Chisel Bit Kits Woodworking Hole Saw Sets with Twist Drill DIY Mortising Chisel Power ToolsMaterial: high-speed steelHardness: HRC 48-50Color: silverClamping shank diameter: 19mm (Round) Length: 210mmPackage Included: 4 x Drill BitOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.We are committed to providing good quality services, if you have any needs, welcome to consult,we will do our best to meet 。
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 machine) to use.
This Mortising Chisel is great for drilling square holes in wood with a mortising machine or a mortising attachment.
Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.
Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination.
Size: 1/4 inch (6.35mm), 5/16 inch (7.94mm), 3/8 inch (9.5mm), 1/2 inch (12.7mm)