Specification Brand : Generic BulletPoint1 : Woodworking square hole drill 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. Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination. Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries. Use matters: Square BulletPoint2 : ole drill is mainly used for woodworking aspects. Various existing bits, can only process a circular hole, square hole can not be processed, to machining square hole, must drill the hole or cutting machine processed crude hole, then chisel made from artificial hand. The utility model in the hole drilled by the rotary body, while the impact of the use of hammer impact force transmitted to the outer body, the material crushing round hole and square head wall, a one-time BulletPoint3 : rocessing of a square hole, and the dust can be broken slag discharged from the tube. Using different specifications of the square hole drill, matching the appropriate power of the square hole machine, you can play a square hole to meet the requirement. ExternallyAssignedProductIdentifier1 : 0738944831991 ExternallyAssignedProductIdentifier2 : 738944831991 FinishType : Brass GpsrSafetyAttestation : 1 IncludedComponents : Esd Tool Set ItemDisplayDimensions_Height : 8 inches ItemDisplayDimensions_Length : 2 inches ItemDisplayDimensions_Width : 2 inches ItemName : ELECALL 25mm 139;39; Woodworking Square Hole Bits Drill Mortising Chisel Set 25mm/ 1" Mortiser Drills Bit Set ItemPackageDimensions_Height : 7.5 inches ItemPackageDimensions_Length : 1.22 inches ItemPackageDimensions_Width : 1.22 inches ItemPackageQuantity : 1 ItemTypeKeyword : ship-auger-bits Manufacturer : China Material : metal ModelNumber : ELECALL 25mm 1'' Woodworking NumberOfFlutes : 1 NumberOfItems : 1 PartNumber : ELECALL 25mm 1'' Woodworking ProductDescription : ELECALL 25mm 1'' Woodworking Square Hole Bits Drill Mortising Chisel Set 25mm/ 1" Mortiser Drills Bit Set ProductSiteLaunchDate : 2019-01-10T08:00:00.000Z Size : Pack of 1 SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Wood UnitCount : 1 UnspscCode : 27110000