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Nut Fastener

Our Complete range of products are Coupler Nuts and HSFG Nuts.

Coupler Nuts

  • Size M10 to M30
  • GRADES 5, 6, 8, 10 etc.
  • COATING Black, HDG, Zinc Plated etc
  • STANDARDS DIN 6334

Coupler Nut also known as extension nut is a threaded fastener for joining two male threads, most commonly a threaded rod but also pipes. The outside of fastener is the hex usually so a wrench can hold it.

 

APPLICATIONS

The most common uses for coupling nuts include tightening rod assemblies or to pushing a completed rod assembly outward.

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HSFG Nuts

  • SIZE DIA M6 to M72
  • GRADES 8.8S & 10.9S, A325, A490, B7 & L7
  • NET GRADES 8S, 10S, 2H, 4 & 7
  • WASHER GRADES 8, F-436
  • COATING Black, Zinc plated, Hot dip galvanize, PTFE/ Teflon or as per customer’s requirement.
  • STANDARDS DIN, IS, ISO, ASTM

APPLICATIONSHSFG bolts are also commonly used in structures that will be exposed to a lot of vibrations, or loadings that will reverse. Since the bolts are preloaded the tension in the bolt doesn't vary as much as in a standard bolt, so they don't fatigue as quickly.

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