Upgrade Hinge Drill Bit Set 3Pcs 1/4" Hex Shank Hinge Drill Bit Guide Set High Speed Steel Self Centering For Door Window Cabinet Hinge Pilot Hole Drills Bit (2.4mm, 2.8mm

• SUPER CONCENTRICITY! The 1/4 hexagonal shank uses the process of turning and milling, which fully guarantees the concentricity of the product. It is qualitatively different from the products produced by other stamping processes in terms of concentricity
• REAL HIGH-SPEED STEEL: The drill part is made of real high-speed steel to ensure the concentricity and the smoothness and speed of drilling. Because of this, the drill will not get stuck
• QUICK CHIP REMOVAL: sawdust will be automatically removed from the gaps on both sides. Will not block drill holes
• 3 DIFFERENT SIZES COVERED：Hinge drill bit set with all the most common hinge screw sizes 5/64" (2.4mm）, 7/64" (2.8mm), 9/64" (3.6mm) The relevant size is clearly stamped on each drill bit
• Best Service: If you have any problem when received package, please feel free to contact us, we are happy to receive your feedback and serve for you

Upgrade Hinge Drill Bit Set 3Pcs 1 4 Hex Shank Hinge Drill Bit Guide Set High Speed Steel Self Centering Drill Bits For Door Window Cabinet Hinge Pilot Hole Drill Bit 2.4Mm, 2.8Mm, 3.6Mm