เครื่องมือเจาะรูเหล็กสปริง ขนาดเล็ก
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.
Specifications:
Material: Knurled Steel+ alloy steel
Color: blacksilverredgoldblue
Hardness: HRC58°~65°
Diameter: about 12.7 mm/0.5
Length: about 130 mm/5.12
Included:
1 xAutomatic Centre Punch
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