Single slot is suitable for hard materials such as iron, copper, and steel, while double slot is suitable for softer materials such as wood, plastic, and aluminum. Specifications “H-type 3*6mm single slot/A-type 3*6mm double slot” Material Tungsten steel alloy
Drill bits
Rotary file tungsten grinding head
Tungsten steel grinding handle, tungsten steel grinding head, various specifications of alloy rotary files, tungsten steel grinding head
$0.56
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