Contact type, wedge block type, bigger safety factor, applied in mineral. 

- Size: NJZ16-1700

- Torque: 16,000-1,700,000N.m

- Finished Bolt Size: 90-620mm

Part Material

· Wedge: GCr15 alloy steel 

· Spring: 65Mn alloy steel 

· Roller: GCr15 alloy steel