Mũi Khoan Lỗ 1 Inch 4-1 / 2 "120Mm

Giới thiệu Mũi Khoan Lỗ 1 Inch 4-1 / 2 "120Mm

Details:


*100% brand new and high quality


*Rare size-great value for money


*This tool has no center pilot drill


*Do not use in dry conditions.


*Can be used with handheld or vertical drilling rigs


*Diamond particle coating has excellent performance and service life.


*Please note that our tools do not require a center pilot hole. Center pilot hole drills are mainly used for wood, metal, etc.


*Can be drilled to a depth of 1 inch.




Cooling method:


*If the tool is too hot, the electroplated diamond coating will wear out. Never let the drill bit be used in a dry condition. This is how to keep the tool cool with water:


A- You can build a miniature dam around the hole with plumber putty.


B-You can choose to spray water on the drill bit.


C- Or you can use tap water to cool the drill bit.




Instructions:


*The center guide bit is used for wood, metal, etc. This is the method to make the bit aim at the target:


A-You can use plywood (plastic or even cardboard) to make your own guide. All you need to do is to keep the drill in place until the initial mark is made.


B-You can start drilling at a certain angle, make the edge of the drill bit into a C-shaped groove, and then make the drill bit reach a vertical position.


C-You can manually guide the drill bit with a wet sponge.


Please use protective equipment.




Specifications:


*Color: as picture show.


*Package size: (approx.)


Length: 6.9 inches


Width: 4.8 inches


Height: 3.9 inches




Package include:


1*drill bit




Note:
1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.

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