4-Pack Square Hole Saw Bits 6.35/7.94/9.5/12.7mm, 1/4 to 1/2 Inch Mortise Chisel - 1/2 Inch

- Made of hardened, high-carbon steel for long-lasting cutting.- Open body design for easy lid opening.- Cutting angle design makes it the easiest doweling tool on the market.- Versatile tool for making dowels in round or square pieces up to 7.6 cm long;- 1.27 cm shank for pillar drills, lathes, and horizontal pillar drills. Product Description- Makes cork and hardwood stoppers. It is used in furniture making, wood finishing, and DIY projects.- Precision-ground internal and external cutting edges cut through the hardest woods while maintaining an extremely sharp edge.Reduces the workload of construction workers, speeds up construction, and lowers construction, installation, and decorating costs.Suitable for all types of wood and accessories. Square hole drill bits are primarily used in the woodworking industry.Square hole saws cannot be used with electric drills. The square hole saw must be used in conjunction with a square hole saw (mortise and tenon machine). Details1. Anticipate industry trends and adapt to construction, installation, decoration, renovation, etc.2. Effect of forces on rotating bodies and effects of forces on machines. This is the perfect starting point.3. The dimensions correspond to the length of the drilled square.4. The collet size is 19 mm. 5. The size is 210 mm and the length is 1/4" (6.35 mm), 5/16" (7.94 mm), 3/8" (9.5 mm), 3/2" (12.7 mm). 1/4" or 6.35 mm. 1 drill bit of 3.8 or 9.5 mm. 1 drill bit, 1 1/2" or 12.7 mm. Specification:Material: High-speed steelHardness: HRC48-50Dimensions: 6.35 mm (1/4"), 7.94 mm (5/16"), 9.5 mm (3/8"), 12.7 mm (1/2")Clamp shank diameter: 19 mm (round)Length: 210 mm Specification:- Material: Hardened high-carbon steel - Drilling diameter: 8-40 mm - Length: 140 mm/5-1/2 inches - Maximum grip length: 70 mm/3 inches