ISO 14585 ST5.5 x 38 6-Lobe Pan Tapping Screw
In stock in 5 material, grade and finish combinations.
Dimensions at ST5.5 x 38
mm · ISO 14585 · 2011 edition| Dimension | Nominal | Min | Max | GB/T 2670.1 | |
|---|---|---|---|---|---|
| d | Thread size | ST5.5 | – | – | ST5.5 |
| P | Thread pitch | 1.8 | – | – | 1.8 |
| l | Length | 38 | – | – | 38 |
| a | Thread runout | – | – | 1.8 | 1.8 |
| da | Underhead diameter | – | – | 6.3 | 6.3 |
| dk | Head diameter | 11 | 10.57 | – | 10.57 |
| k | Head height | 4 | 3.7 | – | 3.7 |
| r | Radius | – | 0.25 | – | 0.25 |
| rf | Head radius (ref) | 9 | – | – | 9 |
| Socket number | 25 | – | – | 25 | |
| A | Hexalobular socket A (ref) | 4.5 | – | – | 4.5 |
| t | Socket depth | – | 1.65 | 2.03 | 1.65–2.03 |
| y | Point length (ref.) (C) | 5 | – | – | 5 |
| y | Point length (ref.) (F) | 3.6 | – | – | 3.6 |
| y | Point length (ref.) (R) | 4.3 | – | – | 4.3 |
- GB/T 2670.1
- Values in bold differ from ISO 14585.
- Length under head
- 38 mm · 36.7–39.3 mm (Type C / R), 36.7–38 mm (Type F) to ISO 14585 product grade A
- Approx. weight
- ≈ 6.67 kg per 1 000 pieces · Bare steel, before coating and packing.150 pieces per kg
- Also named
- GB/T 2670.1
Other lengths in ST5.5
All 40 sizes of Hexalobular Socket Pan Head Tapping ScrewNearby sizesST6.3 x 13
StandardsISO 14585GB/T 2670.1All sizes