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  2. Weld nut - Wikipedia

    en.wikipedia.org/wiki/Weld_nut

    These nuts are very similar to standard square or hex nuts, but have a locating boss and welding projections. The bosses also keep weld spatter out of the threads. [2] Retainer weld nuts. Retainer weld nuts, also known as bridge weld nuts, have a floating nut retained inside a retainer to compensate for inconsistencies.

  3. List of DIN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_DIN_standards

    Hexagon weld nuts with flange: Withdrawn: DIN EN ISO 21670: ISO 21670: DIN 979: Hexagon thin slotted nuts and castle nuts with metric coarse and fine pitch thread – Product grades A and B: Active: DIN 980: All-metal prevailing torque type hexagon nuts: Withdrawn: DIN EN ISO 7042, DIN EN ISO 10513: ISO 7042, ISO 10513: DIN 981: Locknuts for ...

  4. Stud welding - Wikipedia

    en.wikipedia.org/wiki/Stud_welding

    Stud welding is a technique similar to flash welding where a fastener or specially formed nut is welded onto another metal part, typically a base metal or substrate. The fastener can take different forms, but typically fall under threaded, unthreaded, or tapped.

  5. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    In contrast to a coupling requiring solvent welding, soldering, or rotation (for threaded couplings), a union allows easy connection and disconnection multiple times if needed. It consists of three parts: a nut, a female, and a male end. When the female and male ends are joined, the nut seals the joint by pressing the two ends tightly together.

  6. Nut (hardware) - Wikipedia

    en.wikipedia.org/wiki/Nut_(hardware)

    Steel nuts are strong and great for construction, while stainless steel ones resist rust, perfect for outdoor use. Brass nuts, corrosion-resistant, find their place in electrical and plumbing work. Lock nuts, like nylon-insert or prevailing torque types, prevent loosening due to vibration or torque, catering to specific needs across industries.

  7. Symbols and conventions used in welding documentation

    en.wikipedia.org/wiki/Symbols_and_conventions...

    The symbolic representation of a V weld of chamfered plates in a technical drawing. The symbols and conventions used in welding documentation are specified in national and international standards such as ISO 2553 Welded, brazed and soldered joints -- Symbolic representation on drawings and ISO 4063 Welding and allied processes -- Nomenclature of processes and reference numbers.

  8. Category:Nuts (hardware) - Wikipedia

    en.wikipedia.org/wiki/Category:Nuts_(hardware)

    Download as PDF; Printable version; ... Square nut; Swage nut; T. T-nut; T-slot nut ... T-slot nut; W. Weld nut; Well nut; Wingnut (hardware) This page was last ...

  9. Well nut - Wikipedia

    en.wikipedia.org/wiki/Well_nut

    A well nut is a blind rivet-like type of fastener used to blindly fasten a piece (much like a molly bolt) and to seal the bolt hole. They are often referred to by the proprietary name Rawlnut or Rawl nut , the name by which they are known in the UK.