4Pcs Square Hole Drill Bit Set 6.4/8.0/9.5/12.7mm Carbon Steel Mortising Auger Bits Woodworking Chisel Drilling Tools for Mortise Machine Drill Press DIY Power Tools for Wood Carving

DESCRIPTION:<br> These square wood drill bits are made of carbon steel forging, integral heat treatment, high hardness, longer service life, and sharp and wear-resistant.<br> It will reduce the labor intensity of construction workers, speed up construction, and reduce construction costs in the construction, installation, decoration, and decoration industries.<p> FEATURES:<br> Woodworking Square Hole Drill Bit Set<br> Material: Carbon steel.<br> Size: 1/4 inch(6.4 mm), 5/16 inch(8 mm), 3/8 inch(9.5 mm), 1/2 inch(12.7 mm).<p> PACKAGE INCLUDE:<br> 4 * Square Hole Drill Bits<br> • 【Durable Carbon Steel Material】 Made of high-hardness carbon steel with heat treatment for enhanced durability and long-lasting performance. • 【4 Different Sizes in One Set】 Includes 4 square hole drill bits (6.4mm, 8mm, 9.5mm, 12.7mm), perfect for DIY woodworking and professional use. • 【Wide Compatibility】 Fits all mortising machines and drill press attachments for versatile woodworking applications. • 【Efficient & Labor-Saving】 Reduces labor intensity, speeds up construction, and lowers costs for installation, renovation, and decoration projects. • 【Ideal for Woodworking】 Designed specifically for woodworking, making it a must-have for carpenters and DIY enthusiasts.