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

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

Regular price $45.49 USD
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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).

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