Squeezer

Advantages of double alloy screw : The surface of the screw is not easy to wear, and it is good for adding 30% or less glass fiber and recycled material. It is characterized by wear resistance, corrosion resistance, high temperature resistance and high pressure resistance.
Characteristics:

Technical parameters
Material	38CrMoAlA	Tempering hardness	HB240°～280°
Nitriding hardness	HV900°～1000°	Nitriding depth	0.5～0.7mm
Nitriding brittleness	≤two surface	roughness	Ra0.4
Straightness	0.015mm/m	Nitriding surface hard chrome plating degree	HV≥950HV
Alloy hardness	HV1100-1400	Adhesion strength	10000Ps or more
Alloy Powder	Tungsten Carbide ( WC ) Nickel Road Alloy( NiCr ) Self-melting alloy (we can also make alloy powder mixing for different materials and applications)
Dual alloy hardness	HRC56°～65°	Chrome layer thickness	0.05～0.10mm
Tolerance of inner and outer diameter	≤0.02mm	Round runout	<0.04mm
Tolerance of total length of screw	≤0.03mm	Tolerance grade of keyway spline	7