findmall 7Pcs Square Hole Drill Bit Set HSS Square Hole Saw Mortise Chisel Drill Bit Tools 6/25, 1/4, 5/16, 3/8, 2/5, 1/2, 9/16 Inch Fit for Mortising Machines Drill

Brand: findmall

Features:

• Product Size: Shank type - round handle, 6/25 inches (6 mm), 1/4 inches (6.4 mm), 5/16 inches (8 mm), 3/8 inches (9.5 mm), 2/5 inches (10 mm), 1/2 inches (12.7 mm), 9/16 inches (14 mm).
• Product Material: Square hole drill bits are made of high-speed steel, Heat treatment, Drill bit has a high hardness, which is not easy to break and break.
• Advantage: These woodworking inlay chisels can reduce the labor intensity of construction workers, speed up construction, and reduce construction costs in the construction, installation, renovation, and decoration industries.
• Wide Application: Mortise drill bits are suitable for mortising machine or mortising accessories, which can greatly improve the working efficiency of carpenter.
• Package Includes: 7PCS Wood Square Hole Drill Bits.

Details: Description:
Compatibility - Suitable for woodworking aspects.
Wide Application - Professional wood drill bit, suitable for construction, installation, renovation, decoration industry, etc.
Specifications:
Material: HSS ;Hardness: HRC 48~50.
Slotting flute diameter: 6/25 inches (6 mm), 1/4 inches (6.4 mm), 5/16 inches (8 mm), 3/8 inches (9.5 mm), 2/5 inches (10 mm), 1/2 inches (12.7 mm), 9/16 inches (14 mm).
Package Included:
1 X 6/25 Inch (6.0mm) Drill Bit
1 X 1/4 Inch (6.4mm) Drill Bit
1 X 5/16 Inch (8.0mm) Drill Bit
1 X 3/8 Inch (9.5mm) Drill Bit
1 X 2/5 Inch (10mm) Drill Bit
1 X 1/2 Inch (12.7mm) Drill Bit
1 X 9/16 Inch (14mm) Drill Bit
Notice:
Square hole drill needs to cooperate with square hole drill machine (mortise and tenon) use and can not use with hand-operated electric drill
Using steps:
1. Drag the core and shell into the equipment fixture and drag.
2. Take a 0.5 - 1 mm thick sheet (metal sheet or hard plastic sheet) stuck at the step of the drill shell.
3. After fixing the drill core, dismantle the slice, and then adjust the angle of the drill shell and press it upward and clamp it (the purpose is to form a 0.5 - 1 mm gap between the head of the drill core and the inner angle of the drill shell to avoid the bit stuck dead).

Part Number: 2971006-207067

model number: 2971006-207067