Fasteners & threads standards
Bolts, nuts, washers, pins, threads, torque. 137 standards from 11 publishers, ICS 21.040; 21.060.
Replaced: use the replacement (19)
- DIN 7 Replaced
Parallel pins (old) · DIN 7:1981-09 - DIN 94 Replaced
Split pins (old) · DIN 94:1983-09 - DIN 125-1 Replaced
Washers, product grade A, up to 250 HV · DIN 125-1:1990-03 - DIN 912 Replaced
Hexagon socket head cap screws (ISO 4762 modified) · DIN 912:1983-12 - DIN 913 Replaced
Hexagon socket set screws, flat point (ISO 4026 modified) · DIN 913:1980-12 - DIN 916 Replaced
Hexagon socket set screws, cup point (ISO 4029 modified) · DIN 916:1980-12 - DIN 931-1 Replaced
Hexagon head bolts with shank (ISO 4014 modified) · DIN 931-1:1987-09 - DIN 933 Replaced
Hexagon screws — legacy reference · 1987-09 — legacy reference - DIN 934 Replaced
Hexagon nuts, metric coarse and fine thread · DIN 934:1987-10 - DIN 963 Replaced
Slotted countersunk head screws · DIN 963:1990-08 - DIN 982 Replaced
Prevailing torque hex nuts, non-metallic insert, high type · DIN 982:1987-05 - DIN 985 Replaced
Prevailing torque thin hex nuts, non-metallic insert · DIN 985:1987-05 - DIN 1481 Replaced
Heavy spring pins (old) · DIN 1481:1978-11 - DIN 2999-1 Replaced
Whitworth pipe threads (old) · DIN 2999-1:1983-07 - DIN 6325 Replaced
Hardened parallel pins m6 (old) · DIN 6325:1971-10 - DIN 6914 Replaced
HV hex bolts for steel structures (old) · DIN 6914:1989-10 - DIN 7337 Replaced
Break mandrel blind rivets (old) · DIN 7337:1991-08 - DIN 7991 Replaced
Hexagon socket countersunk head screws · DIN 7991:1986-01 - DIN 9021 Replaced
Washers, outside diameter about 3 x thread · DIN 9021:1990-03
Withdrawn (3)
- ASME B18.22.1 Withdrawn
Plain washers (inch) · ASME B18.22.1-1965 (R2008) - status unconfirmed - BS 21 Withdrawn
Pipe threads where pressure-tight joints are made on the threads (old) · BS 21:1985 - DIN 127 Withdrawn
Split spring lock washers (still sold) · DIN 127 1987-10 (withdrawn)
Changing: revision in progress (9)
- ISO 898-1 Changing
Mechanical properties of steel fasteners · ISO 898-1:2013 + Cor 1:2013 - ISO 3266 Changing
Forged steel eyebolts grade 4 for general lifting · ISO 3266:2010 + Amd 1:2015 - ISO 6789-1/-2 Changing
Hand torque tools: requirements and calibration · ISO 6789-1:2017; ISO 6789-2:2017 - ISO 7089 Changing
Plain washers, normal series, grade A · ISO 7089:2000 - ISO 7090 Changing
Plain washers, chamfered, normal series, grade A · ISO 7090:2000 - ISO 7091 Changing
Plain washers, normal series, grade C · ISO 7091:2000 - ISO 7093-1 Changing
Plain washers, large series, grade A · ISO 7093-1:2000 - ISO 7093-2 Changing
Plain washers, large series, grade C · ISO 7093-2:2000 - ISO 10684 Changing
Hot-dip galvanized fasteners · ISO 10684:2004 + Cor 1:2008
Current (106)
- ASME B1.1 Current
Unified inch threads UNC/UNF · ASME B1.1 2024 - ASME B1.13M Current
Metric screw threads: M profile · ASME B1.13M-2005 (S2025) - ASME B1.20.1 Current
Pipe threads, general purpose, inch (NPT) · ASME B1.20.1-2013 (R2018) - ASME B18.1.1 Current
Small solid rivets (inch) · ASME B18.1.1-1972 (R2021) - ASME B18.2.1 Current
Square, hex, heavy hex bolts and hex cap screws (inch) · ASME B18.2.1-2012 (R2021) - ASME B18.2.2 Current
Nuts for general applications (inch) · ASME B18.2.2-2022 - ASME B18.3 Current
Socket cap, shoulder and set screws, hex keys (inch) · ASME B18.3-2026 - ASME B18.8.1 Current
Clevis pins and cotter pins (inch) · ASME B18.8.1-2014 (R2025) - ASME B18.8.2 Current
Taper, dowel, straight, grooved and spring pins (inch) · ASME B18.8.2-2020 - ASME B18.15 Current
Forged eyebolts (inch) · ASME B18.15-2025 - ASME B18.16.6 Current
Prevailing torque locknuts (inch) · ASME B18.16.6-2017 (R2022) - ASME B18.21.1 Current
Helical spring-lock, tooth lock and plain washers (inch) · ASME B18.21.1-2009 (R2016) - ASME B18.27 Current
Tapered and reduced cross-section retaining rings (inch) · ASME B18.27-1998 (S2022) - ASME PCC-1 Current
Bolted flange joint assembly, incl. bolting personnel · 2022, current - ASTM A193 / A194 Current
High-temperature bolting (B7, B8) and nuts (2H) · A193/A193M-26; A194/A194M-26 - ASTM A193/A193M Current
Bolting for demanding service · A193/A193M-26 - ASTM A307 Current
Carbon steel bolts, studs and threaded rod, 60 ksi · ASTM A307-21 - ASTM A563/A563M Current
Carbon and alloy steel nuts (inch and metric) · ASTM A563/A563M-26 - ASTM A574 Current
Alloy steel socket head cap screws · ASTM A574-21 - ASTM F1554 Current
Anchor bolts, 36/55/105 ksi · -20, most recent - ASTM F3125/F3125M Current
High-strength structural bolts (Grades A325, A490, F1852, F2280, 144) · -26, active - DIN 13-1 Current
Metric ISO thread - coarse pitch sizes · DIN 13-1:1999-11 - DIN 124 Current
Steel round head rivets 10-36 mm · DIN 124:2011-03 - DIN 471 / 472 Current
Circlips for shafts / bores · DIN 471 2026-05; DIN 472 2026-05 - DIN 529 Current
Masonry and foundation bolts · DIN 529:2010-09 - DIN 580 / 582 Current
Lifting eye bolts / eye nuts · DIN 580 2024-05; DIN 582 2024-05 - DIN 660 Current
Round head rivets 1-8 mm · DIN 660:2012-01 - DIN 976-1 Current
Stud bolts - metric thread · DIN 976-1:2016-09 - DIN 6799 Current
Retaining washers (E-rings) for shafts · DIN 6799:2026-05 - DIN 7990 Current
Hex bolts with nut for steel structures · DIN 7990:2017-08 - EN 10226-1 Current
Pipe threads, pressure-tight - taper external / parallel internal · EN 10226-1:2004 - EN 10226-2 Current
Pipe threads, pressure-tight - taper external / taper internal · EN 10226-2:2005 - EN 14399-1 Current
High-strength preloaded structural bolting, general · 2015 - EN 14399-3 Current
Preloaded structural bolting - System HR · EN 14399-3:2015 - EN 14399-4 Current
Preloaded structural bolting - System HV · EN 14399-4:2015 - IS 549 Current
Split pins · IS 549:2005 (Third Revision) - IS 554 Current
Pipe threads where pressure-tight joints are made on the threads · IS 554:1999 (Fourth Revision) - IS 1364 (Part 1) Current
Hexagon head bolts, grades A and B · IS 1364 (Part 1):2023 - IS 1364 (Part 2) Current
Hexagon head screws, grades A and B · IS 1364 (Part 2):2023 - IS 1364 (Part 3) Current
Hexagon nuts, style 1 · IS 1364 (Part 3):2026 - IS 1365 Current
Slotted countersunk head screws · IS 1365:2022 - IS 1367 (Part 3) Current
Mechanical properties of bolts, screws and studs · IS 1367 (Part 3):2017 - IS 1367 (Part 6) Current
Mechanical properties of nuts · IS 1367 (Part 6):2025 - IS 1367 (Part 8) Current
Prevailing torque steel nuts - functional properties · IS 1367 (Part 8):2020 - IS 1862 Current
Studs · IS 1862:1975 - IS 1929 Current
Hot forged steel rivets for hot closing · IS 1929:1982 - IS 2016 Current
Plain washers · IS 2016:1967 - IS 2269 Current
Hexagon socket head cap screws · IS 2269:2006 - IS 2643 Current
Pipe threads where pressure-tight joints are not made on the threads · IS 2643 (edition unconfirmed) - IS 3063 Current
Single coil rectangular section spring lock washers · IS 3063:1994 - IS 3075 (Part 1) Current
Circlips for shafts · IS 3075 (Part 1):1986 - IS 3075 (Part 2) Current
Circlips for bores · IS 3075 (Part 2):1986 - IS 3075 (Part 3) Current
Circlips type E for shafts · IS 3075 (Part 3):1986 - IS 3757 Current
High strength structural bolts · IS 3757:1985 (Second Revision) - IS 4190 Current
Eye bolts with collars · IS 4190:2025 - IS 4218 (Part 2) Current
ISO metric threads - general plan · IS 4218 (Part 2):2001 - IS 5370 Current
Plain washers with outside diameter 3 x inside diameter · IS 5370:1969 - IS 5624 Current
Foundation bolts - Specification · IS 5624:2021 (Second Revision) - IS 6689 Current
Parallel pins of hardened steel (dowel pins) · IS 6689:2003 (First Revision) - IS 7002 Current
Prevailing torque hex nuts with non-metallic insert · IS 7002:2018 - IS 10102 Current
Technical supply conditions for rivets · IS 10102:1982 - ISO 68-1 / 261 / 262 / 965 Current
Metric thread profile, plan, sizes, tolerances · ISO 68-1:2023; ISO 261:1998; ISO 262:2023; ISO 965-1:2026; ISO 965-2:2024 - ISO 228-1 / ISO 7-1 Current
Parallel (G) and taper (R/Rp/Rc) pipe threads · ISO 228-1:2000; ISO 7-1:1994 + Cor 1:2007 - ISO 724 Current
ISO metric threads - basic dimensions · ISO 724:2023 - ISO 898-2 Current
Property classes for nuts, styles 0/1/2 · ISO 898-2:2022 - ISO 1051 Current
Rivet shank diameters · ISO 1051:1999 - ISO 2009 Current
Slotted countersunk flat head screws · ISO 2009:2011 - ISO 2320 Current
Prevailing torque steel nuts - functional properties · ISO 2320:2015 - ISO 2338 / 8734 / 8752 / 1234 Current
Dowel, spring and split pins · ISO 2338:1997; ISO 8734:1997; ISO 8752:2009; ISO 1234:1997 - ISO 3506-1/-2/-6 Current
Stainless steel fasteners incl. duplex grades · ISO 3506-1:2020; ISO 3506-2:2020; ISO 3506-6:2020 - ISO 4014 Current
Hexagon head bolts · ISO 4014:2022 - ISO 4017 Current
Hexagon head screws · ISO 4017:2022 - ISO 4026–4029 Current
Socket set screws (flat, cone, dog, cup) · ISO 4026:2026; ISO 4027:2026; ISO 4028:2026; ISO 4029:2026 - ISO 4032 Current
Hex regular nuts, style 1 · ISO 4032:2023 - ISO 4033 Current
Hexagon high nuts (style 2), grades A and B · ISO 4033:2023 - ISO 4042 Current
Electroplated coatings on fasteners, hydrogen embrittlement · ISO 4042:2022 + Amd 1:2026 - ISO 4762 Current
Socket head cap screws · ISO 4762:2004 - ISO 7040 Current
Prevailing torque hex nuts with non-metallic insert · ISO 7040:2025 - ISO 8673 Current
Hexagon nuts style 1, metric fine thread · ISO 8673:2023 - ISO 10511 Current
Prevailing torque thin nuts with non-metallic insert · ISO 10511:2025 - ISO 10512 Current
Prevailing torque hex nuts with non-metallic insert, fine thread · ISO 10512:2025 - ISO 10642 Current
Hexagon socket countersunk head screws · ISO 10642:2026 - ISO 13337 Current
Spring-type straight pins, slotted, light duty · ISO 13337:2009 - ISO 15977 Current
Open end blind rivets, break pull mandrel, protruding head - AlA/St · ISO 15977:2002 - ISO 15983 Current
Open end blind rivets, break pull mandrel, protruding head - A2/A2 · ISO 15983:2002 - JIS B 0203 Current
Taper pipe threads · JIS B 0203:1999 - JIS B 0205-1 Current
General purpose metric screw threads · JIS B 0205-1:2001 (unconfirmed) - JIS B 1051 Current
Mechanical properties of bolts, screws and studs · JIS B 1051:2014 - JIS B 1052-2 Current
Mechanical properties of nuts · JIS B 1052-2:2025 - JIS B 1101 Current
Slotted machine screws · JIS B 1101:2017 - JIS B 1168 Current
Eyebolts · JIS B 1168:1994 - JIS B 1173 Current
Stud bolts · JIS B 1173:2015 - JIS B 1176 Current
Hexagon socket head cap screws · JIS B 1176:2015 - JIS B 1177 Current
Hexagon socket set screws · JIS B 1177:2007 - JIS B 1180 Current
Hexagon head bolts and screws · JIS B 1180:2014 - JIS B 1181 Current
Hexagon nuts · JIS B 1181:2014 - JIS B 1186 Current
High strength hex bolt, nut and washer sets for friction grip joints · JIS B 1186:2013 - JIS B 1194 Current
Hexagon socket countersunk head screws · JIS B 1194:2006 - JIS B 1199-1 Current
Prevailing torque hex nuts with non-metallic insert · JIS B 1199-1:2008 - JIS B 1251 Current
Spring washers · JIS B 1251:2018 - JIS B 1256 Current
Plain washers · JIS B 1256:2008 - JIS B 1351 Current
Split pins · JIS B 1351:1987 - JIS B 2804 Current
Retaining rings · JIS B 2804:2010 - RCSC Specification Current
Specification for Structural Joints Using High-Strength Bolts · RCSC Specification 2025 (June 5, 2025) - SAE J429 Current
Mechanical and material requirements for externally threaded fasteners · SAE J429_201405 - VDI 2230 Blatt 1 Current
Calculation of highly stressed bolted joints · 2015-11, current