ISO 14585 ST3.5×50 6-Lobe Pan Tapping Screw5 combinations of material, property class and finish supplied in this size.
- Standard
- ISO 14585 · 2011
- Thread
- ST3.5 · pitch 1.3 mm
- Length under head
- 50 mm · 48.7–51.3 mm to ISO 14585 product grade A
- Head height
- 2.6 mm
- Weight
- 4.12 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering242 pieces per kg
- Also named
- GB/T 2670.1
Supplied to ISO 14585 ST3.5×50 — the figures shown here match GB/T 2670.1. All 2 record the same figures in this size. Compared on the columns shown here only — product grade, tolerance class, length range, material and property-class references are set by each standard separately. We produce to whichever one your drawing calls out. Compare all sizes →
Order ST3.5×50
Set a quantity on as many rows as you need. Not listed? We make to your drawing — send it with the enquiry.
Every standard listed here records the same figures at ST3.5×50. Your choice is carried into the inquiry and the quotation.
| Material | Class | Finish | Quantity | Net weight |
|---|---|---|---|---|
| Carbon Steel | — | Plain | — | |
| Carbon Steel | — | Zinc Plated | — | |
| Carbon Steel | — | Dacromet | — | |
| Stainless Steel | — | Passivated | — | |
| Stainless Steel | — | Plain | — |
Dimensions at ST3.5×50
one row per dimension| Dimension | ISO 14585Current | GB/T 2670.1Current |
|---|---|---|
| Thread PitchP (mm) | 1.3 | 1.3 |
| Thread Runout (max)a (mm) | 1.3 | 1.3 |
| Underhead Diameter (max)da (mm) | 4.1 | 4.1 |
| Head Diameterdk (mm) | 7 | 7 |
| Head Diameter (min)dk min (mm) | 6.64 | 6.64 |
| Nominal Head Heightk (mm) | 2.6 | 2.6 |
| Head Height (min)k (mm) | 2.35 | 2.35 |
| Radius (min)r (mm) | 0.1 | 0.1 |
| Head Radius (ref.)rf (mm) | 6 | 6 |
| Socket NumberTX | 15 | 15 |
| Type Z / Socket Width (ref.)m/A (mm) | 3.35 | 3.35 |
| Socket Depth (max)t (mm) | 1.4 | 1.4 |
| Socket Depth (min)t (mm) | 1.14 | 1.14 |
| Point Length — C (ref.)y (mm) | 3.2 | 3.2 |
| Point Length — F (ref.)y (mm) | 2.5 | 2.5 |
| Point Length — R (ref.)y (mm) | 2.7 | 2.7 |
Plating adds thickness — state the finish on the order.
Other lengths in ST3.5
All sizes →| Size | kg per 1 000 pieces | |
|---|---|---|
| ST3.5×16 | 1.74 | open |
| ST3.5×25 | 2.37 | open |
| ST3.5×45 | 3.77 | open |
| ST3.5×50 | 4.12 | this page |
Nearby sizesST4.2 x 16
StandardsISO 14585GB/T 2670.1All sizes