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SKU:51353670
Specifications: Material: HSS (High Speed Steel) Hardness: Up to HRC48~50 Dimension & Weight: 1/4’’ Drill – Bit diameter 6.4mm, shank diameter 4.4mm, weighs 117g 5/16’’ Drill – Bit diameter 8mm, shank diameter 5.8mm, weighs 140g 3/8’’ Drill – Bit diameter 9,5mm, shank diameter 6.9mm, weighs 170g 1/2’’ Drill – Bit diameter 12.7mm, shank diameter 9.5mm, weighs 210g Package Includes: 4 x Square Drill Bits Tips: - 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. - If you want the square hole to be tidier, please chisel the detail part by hand.
【Premium Material】These square hole woodworking drill bits made of high speed steel through heat processing, include high hardness drill bits and sharp-edged square chisel, sturdy and durable.
【Labor-Saving】These woodworking mortising chisel bits can reduce labor intensity of construction workers, speed up the construction process, lower construction costs for construction, installation, renovation, decoration.
【Meet Your Demands】 Easy & Precise Hole Drilling,using different sizes of the square hole drill to match the appropriate power of the square hole machine, 4 different sizes you can choose to meet your need-1/2’’ (12.7mm), 3/8’’ (9.5mm), 5/16’’ (8mm), 1/4’’ (6.4mm).
【Work Scenarios】It will get double effect along with mortise and tenon machine. The square hole punching needs to use electric drill, hammer or other tools.
【Application】Great for drilling square holes in wood with a mortising machine or a mortising attachment.
