Square Hole Drill Bit Set,4Pcs Wood Drill Bit Set,Wood Mortising Chisel Set Carve Woodworking Tools for DIY Woodworking Hole Opening Drilling Tools (6 mm/ 8mm/ 10mm/ 12.5mm)

• PREMIUM QUALITY-- Made of high-speed steel, high hardness, durale and practical, heat treatment, long life for use
• PROTECTION DESIGN-- The design of the mortiser drill sleeve can be effectively protected from the situation of bursting at the beginning of use.
• LABOR SAVING--Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.
• APPLICATION-- Great for drilling square holes in wood with a mortising machine or a mortising attachment Square hole drill is mainly used for woodworking aspects.
• SIZE-- 4 sizes in total,including: 6 mm/ 8mm/ 10mm/ 12.5mm. This mortising chisel set is a must have for home woodworker DIY woodworking

Features -Made of high-speed steel. Heat treatment, HRC48~50, high hardness, lengthened core, high concentricity. -Great for drilling square holes in wood with a mortising machine or a mortising attachment. Specification: Size:6 mm/ 8mm/ 10mm/ 12.5mm Material: High-speed steel DIY Supplies: Woodworking Use: Wood Drilling / Punching Package Content: 4Pcs Wood Drill Bits Note: 1,Please allow 1-3cm differs due to manual measurement. 2,Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.