SUPERBOLT® Torquebolts

High Strength Range

Technical Data
  • property class:
    ≤ M60 class 10.9
    > M60 30CrNiMo8
  • temperatures:
    –10 to +250 °C
  • max. bolt stress:
    approx. 500 to 850 N/mm2; depending on size
  • max. values valid for permanent bolting applications, inclusive reaction forces

 Data sheet
General Description

SUPERBOLT® SB12 series Torquebol ts offer higher strength and are more suitable for low temperatures. Other features are the same as SB8 Torquebolts. Due to their high pre-load capabilities they replace standard 10.9 and 12.9 bolts.
Applications:

Gear boxes, BOF applications, mining equipment, pinion stands, clamp type flange connections, wind tunnels, compressors, etc.

Available upon request:

  • Inch threads (UN and Whit)
  • D > M160
  • other sizes and specials
  • anti-corrosion protection
  • special materials
  • temperatures below –10 °C
  • internal instead of external hexagon on head
SUPERBOLT® products are protected by one or several patents (US patents: RE 33490; 4,846,614; 5,083,889; 6,199,453; 6,381,827; 6,112,396; 6,263,764) and corresponding foreign patents, other patents pending. SUPERBOLT® products are also covered by trademark rights.