Premium Woodworking Square Hole Drill Bits Set - 4PCS High-Speed Steel Square Hole Drilling Tools for Square Tenon Machines - Perfect for Furniture Making, Cabinet Joinery & DIY Wood Projects

Feature:1. The drill bit is forged with bearing steel and is heat treated as a whole, with high hardness and long service life.2. U‑shaped long chip flute design, easy to discharge wood chips, improve drilling efficiency.3. Drill sleeve design, the force of the drill sleeve blade is on the same plane, which effectively protects and avoids bursting at the beginning of use.4. Universal handle shape, the drill tail adopts a circular design, which makes the clamping more stable.5. Suitable for wood products such as density board, MDF, particle board, wood, etc., suitable for square hole drills, square tenon machines.Spec:Condition: 100% Brand NewItem Type: Square Hole Drill BitMaterial: Bearing SteelModel: 6mm/0.2in / 8mm/0.3in / 9.5mm/0.4in / 10mm/0.4inApplication: Suitable for wood products such as density board, MDF, particle board, wood, etc., suitable for Square hole drills, Square tenon machines Specification Square Hole SizeHandle Diameter Grooving Depth Total Length Weight 1/4(6mm) 6mm / 0.2in 4mm / 0.2in 45mm / 1.8in 175mm / 6.9in 120g / 4.2oz 5/16(8mm) 8mm / 0.3in 5.5mm / 0.2in 60mm / 2.4in 195mm / 7.7in 160g / 5.6oz 3/8(9.5mm) 9.5mm / 0.4in 6.5mm / 0.3in 60mm / 2.4in 195mm / 7.7in 170g / 6oz7/16(10mm) 11mm / 0.4in 8mm / 0.3in 60mm / 2.4in 195mm / 7.7in210g / 7.4oz Package List:1 x 6mm Square