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ASW Square Hole Drill Bit, 4pcs Woodworking Mortising Chisel Set Bit Woodworker Hole Saw Power Tool Kits- 1/2 1/4 5/16 3/8 Inch
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About ASW Square Hole Drill Bit, 4pcs Woodworking
Square Hole Drill Bit 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. ※ Professional wood drill bit, suitable for construction, installation, renovation, decoration industry, etc. ※ Special steel, heat treatment, HRC48~50, high hardness, lengthened core, high concentricity. ※ It will get double effect by matched use with mortise and tenon machine, the square hole punching needs to use electric drill, hammer & other tools. Specifications: Material: HSS ;Hardness: HRC 48~50 Slotting flute diameter:1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 1/2 Inch (12.7mm). Package Included: 1 x 1/2-Inch(12.7mm) 1 x 3/8-Inch(9.5mm) 1 x 5/16-Inch(8mm) 1 x 1/4-Inch(6.4mm)
