Gun Drill Bits
Ball Nose Tapered Solid Carbide Engraving Router Bit Relief Wood Metal Coated 3.175mm 4mm 1Pcs

R0.25*15*D3.175*38 5.1°
R0.5*15*D3.175*38 4.15°
R0.75*15*D3.175*38 3.2°
R1*15*D3.175*38 2.24°
R0.25*15*D4*50 6.65°
R0.5*15*D4*50 5.7°
R0.75*15*D4*50 4.75°
R1*15*D4*50 3.3°
R0.25*20.5*D4*50 4.88°
R0.5*20.5*D4*504.18°
R0.75*20.5*D4*50 3.5°
R1*20.5*D4*50 3.3°
R0.25*20*D6*50 7.83°
R0.5*20*D6*50 7.13°
R0.75*20*D6*50 6.42°
R1*20*D6*505.71°
R0.25*30.5*D6*755.15°
R0.5*30.5*D6*754.69°
R0.75*30.5*D6*75 4.22°
R1*30.5*D6*75 3.75°
R1.5*30.5*D6*75 2.82°
R2*30.5*D6*75 1.88°
R0.5*47*D8*85 4.26°