1. Wedge load test Maximum tensile force: 1200kN (M39-10.9s)

2. Bolt minimum tension load test : 1020kN (M39- 10.9s) 

3. Nut guaranteed load test : 1035kN (M39-10s) 

4. Guaranteed load test for bolts : 810kN (M39- 10.9s) 

5. Applicable bolt specifications: M33-M39 10.9 grade and below bolts 

6. Length of applicable bolts of standard configuration ≥90mm 

7. Fixture material: 40Gr Hardness: HRC 45-50 

8. Surface treatment: blackening treatment 

9. Warranty period: 6 months for tension bowl seat! Warranty period: 6 months for tension bowl seat! 

10. Clamping method: Use the round jaws of the universal material testing machine to clamp the pull rod of the tension bowl.