RCSC Specification Specification for Structural Joints Using High-Strength Bolts
CurrentLatest edition found. Still confirm amendments with the publisher.
- Edition
- RCSC Specification 2025 (June 5, 2025)
- Publisher
- RCSC
- Part family
- Fasteners & threads
- Reviewed
- 27 October 2026 · source checked
Is RCSC Specification still current?
Yes. RCSC Specification 2025 (June 5, 2025) is the latest edition MechAtlas found (MechAtlas review: 27 October 2026). Check the publisher for amendments before you specify it.
What it covers
US rules for design, installation and inspection of high-strength bolted joints.
Parts that use RCSC Specification
- High-strength structural bolt (HSFG / preloaded) (USA (ASME / ASTM), related)
Large hex bolt-nut-washer set tightened to high preload for steel structure joints.
Joint design, installation and inspection rules; 2025 edition.
Official source
MechAtlas does not reproduce standards. Check the official edition at the publisher's page for RCSC Specification or the RCSC store.
Open in MechAtlasCheck a drawing callout
Other fasteners & threads standards
- DIN 125-1 Replaced
Washers, product grade A, up to 250 HV - DIN 1481 Replaced
Heavy spring pins (old) - DIN 2999-1 Replaced
Whitworth pipe threads (old) - DIN 6325 Replaced
Hardened parallel pins m6 (old) - DIN 6914 Replaced
HV hex bolts for steel structures (old) - DIN 7 Replaced
Parallel pins (old) - DIN 7337 Replaced
Break mandrel blind rivets (old) - DIN 7991 Replaced
Hexagon socket countersunk head screws - DIN 9021 Replaced
Washers, outside diameter about 3 x thread - DIN 912 Replaced
Hexagon socket head cap screws (ISO 4762 modified) - DIN 913 Replaced
Hexagon socket set screws, flat point (ISO 4026 modified) - DIN 916 Replaced
Hexagon socket set screws, cup point (ISO 4029 modified)