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Tinor - 4 Pcs Chisel Set Square Hole Drill Bits, Steel Hollow Chisel Woodworking Tools Set (1/4 -1/2 - 5/16 - 3/8 inch)

TINOR Pcs Square Hole Chisel Set, Square Hole Drill Bit, Woodworking Tool Set (1/4-1/2-5/16-3/8 inch)

Professional wood drill bit, suitable for construction, installation, renovation, decoration, etc. The workpiece forms a drilled hole by the rotating body, while the impact of using the percussion force is transmitted to the outside of the body, the material creates a round hole and a square head, in one go, and the dust can be discharged through the tube. Professional design ideal for drilling square holes in wood with a mortiser. Fits all machines and drill attachments. The square hole drill bit is mainly used in the woodworking field. Material and size: Made of high-speed steel. Heat treatment, HRC48~50, high hardness, elongated center, high concentricity; 4 sizes: 1/4" (6.35mm), 5/16" (7.94mm), 3/8" (9.5mm), 1/2" (12.7mm). Reduces labor intensity for construction workers while accelerating work speed and reducing costs. Perfect for the construction, renovation, and decoration industries. 1 pc 1/4" (6.35mm), 1 pc 5/16" (7.94mm), 1 pc 3/8" (9.5mm), 1 pc 1/2" (12.7mm)
Availablity: 3-5 days
Free shipping & return for orders over $200