China Factory for Pearl Drilling Machine - JC1511 Step Drill Bit – JOCEN
China Factory for Pearl Drilling Machine - JC1511 Step Drill Bit – JOCEN Detail:
Size:4-22mm,73x22x22mm,shank 8mm.
Number of steps:10.
Point thinning according to DIN 1412C.
Thinning point in cutting edge.
Spiral grooved.
118°pointed angel.
90” stepped angle.
High performance steel.
Product detail pictures:
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China Factory for Pearl Drilling Machine - JC1511 Step Drill Bit – JOCEN, The product will supply to all over the world, such as: , , ,
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