1. Diameter: 15mm-300mm
Max length: 10000mm
2. Material: 38CrMoAIA
Nitriding treatment,Surface hardness: HV900
Nitriding depth: 0.5-0.6mm
3. Material of barrel inside layer: tungsten alloy
Surface spraying, prolong life of screw.
Wooden case.
Please ask detailed and specific
questions about Pricing, Minimum Order Quantity, Delivery Timelines etc. Detailed Messages
result in prompt responses.