ISO 14587 vs GB/T 2670.3
Hexalobular Socket Raised Countersunk Head Tapping Screw
- Interchangeable
- Yes. Every dimension is the same, in all 6 sizes. Order either.
- Which to order
- The number on your drawing. We make both: ISO 14587 and GB/T 2670.3.
- GB/T 2670.3
- China's version of ISO 14587, with the same dimensions.
- Sizes
- ST2.9 to ST6.3 in both.
| Size | PThread Pitch | aThread Runout | dkTheoretical Head Diameter | dkHead Diameter | dkHead Diameter | kNominal Head Height | rRadius | Socket Number | AHexalobular Socket A (ref.) | tSocket Depth | tSocket Depth | yPoint Length — C (ref.) | yPoint Length — F (ref.) | yPoint Length — R (ref.) | fRaised Head Height (ref.) | rfHead Radius (ref.) | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | ISO 14587 | GB/T 2670.3 | |
| ST2.9 | 1.1same | 1.1same | 6.3same | 5.5same | 5.2same | 1.7same | 1.2same | 10same | 2.8same | 1.27same | 1.01same | 2.6same | 2.1same | – | – | 0.7same | 6same | |||||||||||||||
| ST3.5 | 1.3same | 1.3same | 8.2same | 7.3same | 6.9same | 2.35same | 1.4same | 15same | 3.35same | 1.4same | 1.14same | 3.2same | 2.5same | 2.7same | 0.8same | 8.5same | ||||||||||||||||
| ST4.2 | 1.4same | 1.4same | 9.4same | 8.4same | 8same | 2.6same | 1.6same | 20same | 3.95same | 1.8same | 1.42same | 3.7same | 2.8same | 3.2same | 1same | 9.5same | ||||||||||||||||
| ST4.8 | 1.6same | 1.6same | 10.4same | 9.3same | 8.9same | 2.8same | 2same | 25same | 4.5same | 2.03same | 1.65same | 4.3same | 3.2same | 3.6same | 1.2same | 9.5same | ||||||||||||||||
| ST5.5 | 1.8same | 1.8same | 11.5same | 10.3same | 9.9same | 3same | 2.2same | 25same | 4.5same | 2.03same | 1.65same | 5same | 3.6same | 4.3same | 1.3same | 11same | ||||||||||||||||
| ST6.3 | 1.8same | 1.8same | 12.6same | 11.3same | 10.9same | 3.15same | 2.4same | 30same | 5.6same | 2.42same | 2.02same | 6same | 3.6same | 5same | 1.4same | 12same | ||||||||||||||||