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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
Drafts

BS EN ISO 1891-2

Fasteners — Terminology — Part 2: Vocabulary and definitions for coatings

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22/10/2025

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Published

BS EN ISO 13670:2025

Fasteners. Reverse-taper grooved pins. One quarter-length progressive grooves on both sides

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BS ISO 2903-2:2025

ISO metric trapezoidal screw threads. Tolerances. Limits of sizes

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BS ISO 965-6:2025

ISO general purpose metric screw threads. Tolerances. Limits of sizes for internal and external threads (fine and medium tolerance qualities, first and second choices)

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BS ISO 23509-1:2025

Bevel and hypoid gear geometry. Basic methods

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BS EN ISO 13669:2025

Fasteners. Grooved pins. General requirements

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BS EN ISO 10511:2025

Fasteners. Prevailing torque hexagon nuts. Thin nuts (with non-metallic insert)

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BS EN ISO 7720:2025

Fasteners. Prevailing torque hexagon nuts. High nuts (all metal) with slot(s)

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BS EN ISO 7042:2025

Fasteners. Prevailing torque hexagon nuts. High nuts (all metal)

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