Square Hole Drill Bit Set with Adapter and Fixing Bracket for Easy Installation & Disassembly

Product Description: Looking for a convenient way to quickly install or remove attachment bits? Our square-hole drill bit adapter is the perfect choice! It will secure your drill in place to prevent shaking, giving you an accurate and efficient drilling experience.

Parts List: - 4×Square Hole Drill Bits - 1×Square Hole Drill Bit Adapter

Size Information: - Lower inner diameter: 55mm/2.17 in - Upper inner diameter: 19mm/0.75 in - Clamp diameter: 38-55mm/1.5-2.2 inches

Key Features of Square Hole Drill Bit: - Exquisite workmanship with a smooth surface - Will not scratch hands or drill during use - Drill sizes include: 1/4 inch, 5/16 inch, 3/8 inch, 1/2 inch - Hand drill clamp diameter from 38 to 55mm/1.5 to 2.2 inches

Usage Instructions: 1. Mark hole locations accurately on the material. 2. Apply vertical pressure steadily on the first marked hole. 3. Avoid shaking and drill the second hole with caution. 4. Select drilling sequence based on project requirements.

Material Information: - High-speed steel drill bits with HRC48-50 heat dealing - Strong and durable carbon steel adapter - Rust-proof, wear-resistant, and high hardness

Widely Used For: - Woodworking projects like MDF, particle board, and more - Not suitable for metal, glass, plastic, concrete, or plasterboard

Notes: - Ensure compatibility with your drill before purchase - Avoid using with hand drills or on incompatible surfaces

After-Sales Service: - Suitable for small electric drills and drill presses - Ideal for woodworking and furniture making industries - Contact us with any questions for professional support.

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