6 Sizes square hole mortise chisels: 1/4"(6.4mm), 5/16" (8mm), 3/8" (9.5mm),1/2" (12.7mm),9/16" (14mm), 5/8"(16mm). These various sizes square drill bits can meet your most needs.
Mortising chisels are made of heat treatment, HRC48 50 high-speed steel.
These mortise chisels are only used to drill square hole and keyhole drill, mainly for woodworking aspects
Don't use these square hole mortise chisels on an electric drill, bench drill.
These square hole drill bits are great tools to reduce construction workers' labor intensity and construction costs
وصف
Package Includes:
1 x 1/4 Inch (6.4mm)
1 x 5/16 Inch (8mm)
1 x 3/8 Inch (9.5mm)
1 x 1/2 Inch (12.7mm)
1 x 9/16 Inch (14mm)
1 x 5/8 Inch (16mm)
Note:
Square hole drill is mainly used for woodworking to open square hole and keyhole.
They can not be used on electric drill. The drills need to cooperate with square hole drill (mortise and tenon) to drill square hole.