4Pcs Square Hole Drill Bit Set, Woodworking Mortise Chisel Saw Set for DIY Wood Opening Drilling Tools (6.4mm/8mm/9.5mm/12.7mm)

• ★Square wood chisel drill bits 4 Different Size One Set: 6.4mm,8mm,9.5mm,12.7mm.
• ★Square hole drill set made of high-speed steel, high hardness, durale and practical, heat treatment, long life for use.
• ★Square hole drill can not be used on an electric drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use.
• ★Square wood chisel fits all mortising machines and drill press attachments. Square hole drill is mainly used for woodworking aspects.
• ★Square wood drill reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.

☛PROTECTION DESIGN-- The design of the mortiser drill sleeve can be effectively protected from the situation of bursting at the beginning of use. ☛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. Specifications: Material: Made of high-speed steel Color:Silver Size:6.4mm/8mm/9.5mm/12.7mm Package Contents: 1 x 6.4mm Square Hole Drill Bit 1 x 8mm Square Hole Drill Bit 1 x 9.5mm Square Hole Drill Bit 1 x 12.7mm Square Hole Drill Bit 【About products and services】 If you are dissatisfied for any reason, return your order within 30-Days for full refund, we will always go above and beyond to ensure you are happy with your customer experience.