Advantages
- Screw made out of EN-41B (MUSCO MAKE STEEL), Nitrided steel
- The material is T condition by thermal process.
- Screw is highly polished by special purpose polishing machine.
- Stabilizing is done to remove all stresses developed.
- Screw is nitride harden, skin hardness maintains 68 to 70 HRC.
- Nitride layer thickness maintained up to 0.47 to 0.50
- Screw will be straight with in 0.07mm onturn over by hydraulic press.
- Close clearance and exacting machining tolerance for screw and barrel.
- All process are done under strict quality control.