• Bollhoff Fastenings Private Limited

Sealing Nuts & Screws

Bollhoff Fastening Pvt Ltd offers a range of Sealing Nuts and Screws. Seal lock sealing nuts an effective seal on bolt-nut fasteners, for two problems: seal the lock nuts on the adjusting screws of hydraulic components and drives; seal the stud bolt nuts on automotive engines where the stud bolt bores are used as oilways. A complete solution for both problems: a leak-proof seal below the nut and in the screw thread; high-strength threaded fastening without loss of screw tension; repeated assembly.
Highlights:

• One-piece element; captive seal ring
• Effective seal against gas and liquids below the nut and in the screw thread
• Temperature resistance from -40º C to 110º C
• High torque metal mating surface, seal ring does not cause loss of screw tension
• Secure screw fastening thanks to threading in seal ring; five repeat screwing-unscrewing cycles possible
• Integrated polyamide PA11 seal ring providing an effective seal against gas and fluids
• Compact element, low space requirement
• Available in M6 to M16 thread sizes, coarse-pitch and fine-pitch, other sizes and special applications available on request
• Captive seal ring, no more lost parts.