2pcs 3.175mm Diamond pen point engraving tools engraver cnc milling cutter circuit board metal stone aluminum carving tools bits


Application: Engraving Stainless steel,granite, stone ,brass, aluminum, 

Ceramic Size:Diameter 3/3.175mm,

Tip:60/90 degree,Length 50mm.(can be customized ) 

Material:diamond tip and steel body. QTY:2PCS

2pcs 3.175mm Diamond pen point engraving tools engraver cnc milling cutter circuit board metal stone aluminum carving tools bits