WSOOX 4 Stücke Holz Bohrer Set Platz Loch Stemmen Werkzeuge DIY Holzbearbeitungswerkzeuge Spiralbohrer Kits (6,4mm / 8mm 9,5mm 12,7mm)

▶【Important Notes】--- This square hole drill can not be used on an general electric drill, and it need to fit a square hole drill drilling (mortise and tenon machine) to use. If you mind it, please don't purchase it! Or you must need to use the external square graver to break out with hammer blows by manually ▶【High Quality Material】--- Made of high-speed steel, hardness 56HRC, lengthened core, sharp cutting edge, continuous blade, quick cuttings, high efficiency, durale and practical, heat treatment, long life for use ▶【Drill Bits Size】--- There are 4 different size in one set: 6.4mm, 8mm, 9.5mm, 12.7mm, they will meet your different needs ▶【Features】--- High performance flute design geometry for superior chip extraction Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries ▶【Application】--- It's great for opening drilling square holes in woodworking with a mortising machine or a mortising attachment. Mainly applying for construction, installation, renovation, decoration industry, etc.