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Engineering > Mechanical systems and components

Mechanical systems and components

Mechanical systems and components Sub-categories (13)

  1. Characteristics and design of machines, apparatus, equipment
  2. Screw threads
  3. Fasteners
  4. Hinges, eyelets and other articulated joints
  5. Bearings
  6. Shafts and couplings
  7. Seals, glands
  8. Springs
  9. Housings, enclosures, other machine parts
  10. Gears
  11. Flexible drives and transmissions
  12. Rotary-reciprocating mechanisms
  13. Lubrication systems

Latest standards activities

Proposals

BS 8539

Code of practice for the selection and installation of post-installed anchors in concrete and masonry

Feedback closing date:

11/04/2025

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Drafts

BS EN ISO 7380-4

ISO 7380-4 Fasteners. Button head screws with reduced loadability. Part 4: Hexalobular socket button head screws with collar

Feedback closing date:

18/05/2025

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BS EN ISO 7380-3

ISO 7380-3 Fasteners. Button head screws with reduced loadability. Part 3: Hexalobular socket button head screws

Feedback closing date:

18/05/2025

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BS ISO 14521

ISO 14521 Gears. Calculation of load capacity of worm gears

Feedback closing date:

14/05/2025

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BS EN ISO 13809

ISO 13809 Fasteners. Hexalobular socket set screws

Feedback closing date:

07/05/2025

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BS IEC 60050-181 Ed.1.0

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Feedback closing date:

23/04/2025

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BS ISO 19457

ISO 19457 Rolling bearings. Linear motion rolling bearings, subassemblies, roller blocks. Boundary dimensions and tolerance values

Feedback closing date:

12/04/2025

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Feedback period expiring
Published

BS EN ISO 8740:2025

Fasteners. Parallel grooved pins, with chamfer point. Full-length diamond grooves

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BS EN ISO 8746:2025

Fasteners. Grooved pins with round head. Full-length diamond grooves

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BS EN ISO 8744:2025

Fasteners. Taper grooved pins. Full-length progressive grooves

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BS EN ISO 8747:2025

Fasteners. Grooved pins with countersunk head. Full-length diamond grooves

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BS EN ISO 8741:2025

Fasteners. Reverse-taper grooved pins. Half-length progressive grooves

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BS EN ISO 8745:2025

Fasteners. Taper grooved pins. Half-length progressive grooves

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BS EN ISO 13672:2025

Fasteners. Parallel grooved pins. Half-length diamond grooves

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BS ISO 965-5:2025

ISO general purpose metric screw threads. Tolerances. Limits of sizes for internal threads to mate with hot-dip galvanized external threads with maximum size of tolerance position h before galvanizing

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