ISO 1481 ST8×16 Slotted Pan Tapping Screw5 combinations of material, property class and finish supplied in this size.
- Standard
- ISO 1481 · 2011
- Thread
- ST8 · pitch 2.1 mm
- Length under head
- 16 mm · 15.2–16.8 mm to ISO 1481 product grade A
- Head height
- 4.8 mm
- Weight
- 11.78 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering84.9 pieces per kg
- Also named
- GB/T 5282
Supplied to ISO 1481 ST8×16 — the figures shown here match GB/T 5282. 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 ST8×16
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 ST8×16. 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 ST8×16
one row per dimension| Dimension | ISO 1481Current | GB/T 5282Current |
|---|---|---|
| Slot Width (nominal)n (mm) | — | 2 |
13 more dimensions — identical in ISO 1481 and GB/T 5282
| Thread PitchP (mm) | 2.1 | 2.1 |
|---|---|---|
| Thread Runout (max)a (mm) | 2.1 | 2.1 |
| Head Diameterdk (mm) | 16 | 16 |
| Head Diameter (min)dk min (mm) | 15.6 | 15.6 |
| Nominal Head Heightk (mm) | 4.8 | 4.8 |
| Head Height (min)k (mm) | 4.5 | 4.5 |
| Slot Width (max)n (mm) | 2.31 | 2.31 |
| Slot Width (min)n (mm) | 2.06 | 2.06 |
| Slot Depth (min)t (mm) | 1.9 | 1.9 |
| Radius (min)r (mm) | 0.4 | 0.4 |
| Point Length — C (ref.)y (mm) | 7.5 | 7.5 |
| Point Length — F (ref.)y (mm) | 4.2 | 4.2 |
| Point Length — R (ref.)y (mm) | 6.3 | 6.3 |
Plating adds thickness — state the finish on the order.
Nearby sizesST6.3 x 50