Driak 6pcs 10-25mm/0.39\-0.98\ Metric Titanium Boring Drill Bits Spade Paddle Flat Woodworking Drill Bit Rotary Tools
- 【HIGH HARDNESS】This saw drill bit is made of special steel, HRC48~50, heat treatment, HRC48-50, offers high hardness, lengthened core, and high concentricity..
- 【6 SIZES】1/4inch (6.35mm), 5/16inch (8mm), 3/8inch (9.5mm), 1/2inch (12.7mm), 9/16inch (14mm), 5/8inch (16mm), 6 pieces a pack with different slot diameter to meet your needs. Great accessory for mortising, chisel, and woodworking..
- 【PROFESSIONAL】This square hole drill bits mortising chisel is great tools drill to process square holes in wood with a mortising machine or a attachment, suitable for construction, installation, renovation, decoration industry, etc..
- 【HIGH-EFFICIENCY】Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries..
- 【TIPS】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..