Screw rod /screws and bolts
1,Original cummins engine parts
2,cummins DCEC CCEC XCEC
3,competitive price
Material | SUS420J,SUM24,S45,40Cr,SUM420,SUM440SUS201,303,304,316,416 |
Roundness | 0.0003mm |
Cylinderness | 0.0005mm |
Roughness | Ry0.4 |
Gear/Worm Precision | Grade 7 |
Position | 0.03mm |
Heat treatment | point hardening ( cementite, oxidation, high frequency ), quench hardening |
Screw rod /screws and bolts
1. Plastic coated screw bolt.
2. Factory price
3. Material: Iron+plastic
4. Finish: color, black
1) reasonable structure,good elasticity,large range of compensation pipeline and little counterforce to the brackets of pipeline.
2) shock absorption and noise decrese, heat and dust insulation
3) the displacement can be deflected to prevent damage caused by subsidence of connected brackets and equipment base.
4) rubber expansion joints is convenience to installation and maintenance