Technical Data Sheet

max = maximum; min = minimum
Active drawing
Twist-off tension control structural bolts
Use DIN EN 14399-10 as the starting reference for custom structural bolting components and matched assemblies.
Use this DIN EN 14399-10 drawing generator to configure dimensions, review the technical drawing and export a custom drawing for manufacturing. Whether the specification is written as DIN EN 14399-10 or DINEN14399-10, this online drawing tool covers the same Twist-off tension control structural bolts standard reference.
Specify geometry, thread, strength class, coating, assembly condition, lot traceability and inspection tolerances.

max = maximum; min = minimum
Unit: mm
| Dimension | P | k/max | k/min | s/max | s/min | dw/min |
|---|---|---|---|---|---|---|
| M12 | 1.75 | 10.8 | 10.37 | 22 | 21.16 | 20.1 |
| M16 | 2 | 14.8 | 14.1 | 27 | 26.16 | 24.9 |
| M20 | 2.5 | 18 | 16.9 | 32 | 31 | 29.5 |
| M22 | 2.5 | 19.4 | 18.1 | 36 | 35 | 33.3 |
| M24 | 3 | 21.5 | 20.2 | 41 | 40 | 38 |
| M27 | 3 | 23.8 | 22.5 | 46 | 45 | 42.8 |
| M30 | 3.5 | 25.6 | 24.3 | 50 | 49 | 46.6 |
Catalog fasteners commonly specified with this drawing family. Confirm size, material and property class against your project drawing.
EN 14399 / ASTM F1852 / F228035CrMo / 40CrNiMo / 10.9 / A325
TC bolts per EN 14399 and ASTM F1852/F2280 for slip-critical bridge and heavy steel frames.
ASTM A325 / A490 / A307, ISO 898-1, DIN EN 1439935CrMo / 42CrMo / Alloy Steel / 8.8 / 10.9 / 12.9 / A325 / A490
Heavy structural hex head bolts per ASTM A325/A490 and EN 14399 for steel frames and bridges.
DIN 931 / DIN 933 / ISO 4014 / ISO 4017 / ASTM F593Duplex 2205 / Super Duplex 2507 / UNS S32205 / S32750
Duplex 2205 / 2507 hex head bolts for offshore and high-chloride renewable environments.
DIN 933 / ISO 4017 / ASTM F593SS304 / SS316 / A2-70 / A4-80
A2-70 / A4-80 full-thread stainless hex head bolts per DIN 933 / ISO 4017 for solar and equipment assemblies.
DIN 931 / ISO 4014 / ASTM F593SS304 / SS316 / A2-70 / A4-80
A2-70 / A4-80 partial-thread stainless hex head bolts per DIN 931 / ISO 4014 for structural and coastal assemblies.
ISO 4017 / DIN 933 / SAE J42910B21 / 40Cr / SCM435 / 4140 / 8.8 / 10.9 / 12.9
Full-thread high-strength hex head bolts per ISO 4017 / DIN 933 in 10B21 / SCM435, 8.8 / 10.9 / 12.9.
Submit the approved structural drawing with grade, coating, assembly and inspection requirements for engineering review.
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