Ensemble de 4 Forets Auto-Centreurs pour Charnières, Portes et Armoires, avec Guide Perçage HSS Encastrement 5 64, 7 9 11 Pouces

The door and window hinges are fixed on the door and window by screws, and the hinge hole opener is a drill sleeve which used to open the holes of door and window hinge screw, which can well-fixed the position and ensure the accuracy of the drilling. Professional drilling tool pplicable to the installation of door hinge, 4 different sizes (5/64inch, 7/64inch,  9/64inch, 11/64inch) suit most use.



Note:

When opening the hole, you can choose the specifications according to the hardness of the wood board. If the wood is soft, you can choose center drill with a smaller opening diameter. If the wood is too harder, you can choose the corresponding size or a larger one.



Specifications:

Name: Hinge Holes Opener

Material: copper + high-speed steel

5/64inch: Hole diameter is about 2mm, Use about 2.2-2.8mm tapping screw

7/64inch: Hole diameter is about 2.8mm,Use about 3-3.5mm tapping screw

9/64inch: Hole diameter is about 3.5mm,Use about 4-4.5 mm tapping screw

11/64inch: Hole diameter is about 4.5mm,Use about 5-5.5 mm tapping screw

Length:

5/64inch: 85mm / 3.35in

7/64inch: 90mm / 3.54in

9/64inch: 95mm / 3.74in

11/64inch: 100mm / 3.94in

Package size: 100 * 50 * 50mm / 3.94 * 1.97 * 1.97in

Package weight: 99g / 3.49ounce



Packing List:

4 * Hinge Holes Opener

1 * Wrench