Giới thiệu Set 4 Mũi Khoan Tự Điều Chỉnh Kích Thước Cho Ngăn Kéo
Life needs artistic modification!4pcs HSS Self Centering Hinge Drill Bit Set for Hinges Drawer Guides Features 1. These self centering drill bits put hinges right where they should be in the center. 2. 4 of the most often used sizes for carpenters, cabinet, furniture makers and other wood working trades. 3. Easy to use and install. 4. Positioning accuracy, will not shift, the chips will automatic discharge from the hole on either side of the top of the drill, not stuck drill.
Specifications Material: Brass + HSS Color: Sliver Size: 5/64'': Hole diameter is about 2mm, Use about 2.2 - 2.8mm tapping screw 7/64'': Hole diameter is about 2.8mm, Use about 3 - 3.5mm tapping screw 9/64'': Hole diameter is about 3.5mm, Use about 4 - 4.5mm tapping screw 11/64'': Hole diameter is about 4.5mm, Use about 5 - 5.5mm tapping screw