DRILLING SIZE: Easily punch square holes with the following sizes: 1/4inch (6.35mm),5/16inch (8mm),3/8inch (9.5mm),1/2inch (12.7mm),9/16inch (14mm),5/8inch (16mm).
MATERIAL: These square hole drill bits are made of high-speed steel and undergo heat treatment for increased hardness. The sharp square chisel design ensures durability and reduces the risk of breakage.
WIDELY APPLICATIONS: Suitable for various wood types, including MDF, particle board, pine wood, basswood, etc. Compatible with mortise and drill accessories, making it ideal for mortise and tenon machines.
SAVE TIME: These square drill bit effectively reduce labor intensity, accelerate construction progress, and contribute to time savings in construction, installation, renovation, and decoration industries.
NOTES: Please note that the square hole drill bits must be used with a mortise machine and are not suitable for use with a hand-held drill. If you intend to use these square drill bits with a drill press, additional accessories are required for connection.
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