- 🌞【Premiun Material】This saw drill bit is made of special steel, heat treatment, HRC48-50, offers high hardness, lengthened core, and high concentricity.
- 🌞【Fit for】Professional drill bit, suitable for construction, installation, renovation, decoration industry, etc.
- 🌞【Widely Used】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.
- 🌞【Practical accessory】6 pieces a pack with different slot diameter to meet your needs.
- 🌞【Useful Tool】Great accessory for mortising, chisel, and woodworking.
