Practical Design- Designed from high speed steel (HSS), high hardness, wear resistance and high temperature resistance, durable and excellent.it designs the sawdust is automatically evacuated from the top of the holes on both sides, and does not block the drills. 7 sizes & 1x Hex Wrench - 7 Common center hinge drill bits sizes 5/64'' 7/64'' 9/64'', 11/64'' 5mm, 13/64'', 1/4'' good for drilling holes in small hinges for cabinet, wardrobe, furniture makers and other wood processing or hardware such as decorative boxes. Perfect Connection and Position-This center drill bits from hinge are not with precise positioning and movement. Fits like butter and the hole is smooth and full. Easy to install and with safety stop - Easy to use and install, change bits quickly, essential for assembly and disassembly in private and professional use. Wide Application - With precise centered holes hole drilling hinge is applicable for door hinge installation for hinges, handles, drawer slides, etc. . A must for every home improvement and hobbyist area. Center Drill Bit, Self Centering Hinge Drill Bit, Woodworking Hole Drilling Tool, Window Drill Bits Adjustable Door Drill Bits for Hinges, Centering Hinge, Hinge Door Drill Bits, Furniture Door Woodworking Tools Hinged - Perfect for any hobbyist Self-centering hinged drill bits for use in hand drills. For precise pre-drilling for assembly of e.g. Door Hinges and Other Furniture Fittings HSS Hinge Drill Set - Making Manual Work Easier Easy to use and install, the sawdust automatically discharges laterally out of the oblong holes, For cleaning, simply unscrew the cap. 7-hole hinged drill bit set for the demanding hobby craft 5/64'' Drill-: 2mm | Suitable for thread sizes: 2.2mm and 2.8mm 7/64'' Drill-: 2.8mm | Suitable for thread sizes: 3.0mm and 3.5mm 9/64'' Drill-: 3.5mm | Suitable for thread sizes: 4.0mm and 4.5mm 11/64'' Drill-: 4.5mm | Suitable for thread sizes: 5.0mm and 5.5mm 5mm Drill-: 5.0mm | Suitable for thread sizes: 5.5mm and 6.0mm 13/64'' Drill-: 5.2mm | Suitable for threads: 6.0mm and 6.5mm 1/4'' Drill-: 6.35mm | Suitable for thread sizes: 7mm and 7.5mm Attention 1, Choose the drill according to the hardness of the wood, choose a smaller size for soft wood, choose a larger size for very hard wood. 2, The selected drill bit should of course always be more smaller than the diameter of the screw. Package Included: 7x Drill Bit Self-Centering Hinge 1x Hex Wrench Practical Design - Crafted from high speed steel (HSS), high hardness, wear resistance and durability. high temperature resistance, durable and excellent. it designs the sawdust is automatically discharged from the upper part of the holes on both sides, and does not block the drills. 7 sizes & 1x Hex Wrench - 7 Common center hinge drill bits sizes 5/64'' 7/64'' 9/64'', 11/64'' 5mm, 13/64'', 1/4'' good for drilling holes in small hinges for cabinet, wardrobe, furniture makers and other wood processing or hardware such as decorative boxes. Perfect Connection and Position-This center drill bits from hinge are not with precise positioning and movement. Fits like butter and the hole is smooth and full. Easy to install and with safety stop - Easy to use and install, change bits quickly, essential for assembly and disassembly in private and professional use. Wide Application - With precise centered holes hole drilling hinge is applicable for door hinge installation for hinges, handles, drawer slides, etc. . A must for every home improvement and hobbyist area. Center Drill Bit, Self Centering Hinge Drill Bit, Woodworking Hole Drilling Tool, Window Drill Bits Adjustable Door Drill Bits for Hinges, Centering Hinge, Hinge Door Drill Bits, Furniture Door Woodworking Tools Hinged - Perfect for any hobbyist Self-centering hinged drill bits for use in hand drills. For precise pre-drilling for assembly of e.g. Door Hinges and Other Furniture Fittings HSS Hinge Drill Set - Making Manual Work Easier Easy to use and install, the sawdust automatically discharges laterally out of the oblong holes, For cleaning, simply unscrew the cap. 7-hole hinged drill bit set for the demanding hobby craft 5/64'' Drill-: 2mm | Suitable for thread sizes: 2.2mm and 2.8mm 7/64'' Drill-: 2.8mm | Suitable for thread sizes: 3.0mm and 3.5mm 9/64'' Drill-: 3.5mm | Suitable for thread sizes: 4.0mm and 4.5mm 11/64'' Drill-: 4.5mm | Suitable for thread sizes: 5.0mm and