Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.w

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.