4 PCS/Set Doors Self Centering Hinge Tapper Core Drill Bit Set Hole Puncher Woodworking Tools(5/64,7/64,9/64,11/64 inch)

Set of four self-centering hinge tapper core drill bits designed for precise hole drilling in woodworking applications. Commonly used for installing door hinges in carpentry and furniture making.

• Includes four drill bits: 5/64 inch, 7/64 inch, 9/64 inch, 11/64 inch
• High-speed steel construction for durability
• Drill bush for precise positioning
• Sawdust automatically discharged from holes to prevent blockage
• 5/64 inch: Hole diameter approximately 2mm, compatible with 2.2-2.8mm tapping screws
• 7/64 inch: Hole diameter approximately 2.8mm, compatible with 3-3.5mm tapping screws
• 9/64 inch: Hole diameter approximately 3.5mm, compatible with 4-4.5mm tapping screws
• 11/64 inch: Hole diameter approximately 4.5mm, compatible with 5-5.5mm tapping screws
• 5mm: Hole diameter approximately 5mm, compatible with 5.5-6mm tapping screws
• 13/64 inch: Hole diameter approximately 5.1mm, compatible with 5.6-6.1mm tapping screws
• 1/4 inch: Hole diameter approximately 6.3mm, compatible with 6.8-7.3mm tapping screws