SaferCCTV Woodworker 3/4 Inch Square Hole Drill Bits Mortising Chisel Set, Mortise Chisel & Bit Set for Construction Installation Renovation Decoration Industry

Price: $23.99
(as of Feb 23, 2026 01:37:57 UTC – Details)

Mortise chisel 3/4
Specifications:
– Material: HSS
– Hardness: HRC 48~50
– Holder diameter: 19mm (circular)
– Drilling core length: 200mm
– Slotting flute diameter:3/4″
– Total weight: approx 206g

Package Included:
– 1 x Tenon Hole Drill Bit
1. This square hole drill bits made of bearing steel, hardness 56HRC, lengthened core, sharp cutting edge, continuous blade, quick cuttings, high efficiency. Note: If for drill press to use, must have a mortising attachment (Not Included).
2. Wood drill bit suitable for construction, installation, renovation, decoration industry, etc.(Requires an Adapter）
3. Mortise drill bit set made of special steel, heat treatment, HRC48~50, high hardness, lengthened core, high concentricity.
4. This square wood drill chisel will get double effect by matched use with mortise and tenon machine.
5. The square hole punching needs to use electric drill, hammer & other tools.