Material: Tungsten steel
<br />Surface Treatment:Titanium coating(Electroplated products need to be fixed with fine wire. The wires and products can not be electroplated when they come into contact. They will leave a black line, not a crack. Please feel free to use it)
<br />The number of rifling： 6 、12、customizable
<br />Customization takes 5 days  
<br />Rifling depth：0.25-0.35
<br />Helix angle：3
<br />Usage: Jack or lathe extrusion Please pay attention if you need it.FB -Rifling button
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