Mũi Khoan Lỗ Bằng Kim Loại

Tip Material: High Speed Steel
Tip Hardness: HRC58 ° ~ 65 °
Handle Material: Bronze or Carbon Steel
On the hammer needed, with this automatic center tool, you can quickly create a Dimple in a workpiece quickly and easily.
It is also a great tool kept in the car to be used to break the windows in case there is an emergency.
Color: Gold, Silver (Optional)
U Sually Used to mark the center of a point, The Small Bowl Guides the tip of the drill E Prevents slippage or drift that results in damage.
The tip of this automatic center punch is made from high speed steel for high strength and durability.
Suitable for drilling in sheet steel, aluminum, copper, plank wood and other materials for positioning holes.
Size: Length: 130mm
Thimble diameter: 4mm
Grip diameter:28mm
Package Included:1 x Punch Automatic Center
Features:
Simple and accurate.
Knurled Steel treatment to prevent slipping.
The precise starting point for steel and other solid materials is given.
Allows you to use one hand easily working.
Mark will prevent from slipping before drilling.
Automatic spring loading and then release the cycle by force to create the center punch (without a hammer).
The spring pressure can adjust the knurling through simple rotation.
Automatic design of clean and accurate boxing steel wood and plastic.