Subject matter: HSS
Hardness: HRC 48~50
Holder diameter: 19mm (circular)
Drilling core length: 200mm
Slotting flute diameter:1/2″(12.7mm)
Total weight: approx 206g
1x Tenon Hole Drill Bit
Professional wooden drill bit
Appropriate for construction, installation, renovation, decoration industry, and so on.
Special steel, warmth remedy, HRC48~50, top hardness, lengthened core, top concentricity.
It’s going to get double effect by matched use with mortise and tenon machine.
The square hole punching wishes to make use of electric drill, hammer & other tools.
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