ISO 14585 ST4.2 x 13 6-Lobe Pan Tapping Screw
In stock in 5 material, grade and finish combinations.
Dimensions at ST4.2 x 13
mm · ISO 14585 · 2011 edition| Dimension | Nominal | Min | Max | GB/T 2670.1 | |
|---|---|---|---|---|---|
| d | Thread size | ST4.2 | – | – | ST4.2 |
| P | Thread pitch | 1.4 | – | – | 1.4 |
| l | Length | 13 | – | – | 13 |
| a | Thread runout | – | – | 1.4 | 1.4 |
| da | Underhead diameter | – | – | 4.9 | 4.9 |
| dk | Head diameter | 8 | 7.64 | – | 7.64 |
| k | Head height | 3.1 | 2.8 | – | 2.8 |
| r | Radius | – | 0.2 | – | 0.2 |
| rf | Head radius (ref) | 6.5 | – | – | 6.5 |
| Socket number | 20 | – | – | 20 | |
| A | Hexalobular socket A (ref) | 3.95 | – | – | 3.95 |
| t | Socket depth | – | 1.42 | 1.8 | 1.42–1.8 |
| y | Point length (ref.) (C) | 3.7 | – | – | 3.7 |
| y | Point length (ref.) (F) | 2.8 | – | – | 2.8 |
| y | Point length (ref.) (R) | 3.2 | – | – | 3.2 |
- GB/T 2670.1
- Values in bold differ from ISO 14585.
- Length under head
- 13 mm · 12.2–13.8 mm (Type C / R), 12.2–13 mm (Type F) to ISO 14585 product grade A
- Approx. weight
- ≈ 1.80 kg per 1 000 pieces · Bare steel, before coating and packing.555 pieces per kg
- Also named
- GB/T 2670.1
Other lengths in ST4.2
All 40 sizes of Hexalobular Socket Pan Head Tapping ScrewStandardsISO 14585GB/T 2670.1All sizes