Product Feature:
Combines the cutting of a four-sided chisel with the action of a drill bit in the center
The bit clears out most of the material to be removed, and the chisel ensures the edges are straight
Used for making square mortises in one stroke and oblong mortises with each succeeding stroke
Fits all mortising machines and drill press attachments
Made of the highest quality tool steel
High-performance flute design geometry for superior chip extraction
Hardness: HRC 48~50
Product description
Material: HSS
Color: Silver
Square hole size: 10mm, 16mm, 18mm, 20mm
Package Included:
1*Square Hole Woodworking Drill Bit