ISO 10509 ST4.8 x 9.5 Flange Head Tapping Screw
In stock in 4 material, grade and finish combinations.
Dimensions at ST4.8 x 9.5
mm · ISO 10509 · 2012 edition| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | ST4.8 | – | – |
| P | Thread pitch | 1.6 | – | – |
| l | Length | 9.5 | – | – |
| a | Thread runout | – | – | 1.6 |
| da | Underhead diameter | – | – | 5.6 |
| dc | Flange diameter | 10 | – | – |
| dc | Bearing diameter | – | 9.3 | – |
| c | Washer height | – | 0.6 | – |
| s | Width across flats | – | 6.78 | 7 |
| e | Width across corners | – | 7.55 | – |
| k | Head height | 5.2 | – | – |
| kw | Wrenching height | – | 2.2 | – |
| r | Radius | – | 0.2 | – |
| r2 | Radius r2 | – | – | 0.3 |
| y | Point length (ref.) (C) | 4.3 | – | – |
| y | Point length (ref.) (F) | 3.2 | – | – |
| y | Point length (ref.) (R) | 3.6 | – | – |
- Length under head
- 9.5 mm · 8.7–10.3 mm to ISO 10509 product grade A
- Approx. weight
- ≈ 2.53 kg per 1 000 pieces · Bare steel, before coating and packing.395 pieces per kg
- Also named
- GB/T 16824.2
Other lengths in ST4.8
All 57 sizes of Hex Flange Head Tapping ScrewNearby sizesST4.2 x 25