ISO 1479 ST8×16 Hex Head Tapping Screw4 combinations of material, property class and finish supplied in this size.
- Standard
- ISO 1479 · 2011
- Thread
- ST8 · pitch 2.1 mm
- Length under head
- 16 mm · 15.2–16.8 mm to ISO 1479 product grade A
- Drive
- 13 mm spanner · e 14.26 mm
- Head height
- 6 mm
- Weight
- 12.21 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering81.9 pieces per kg
- Also named
- GB/T 5285
Supplied to ISO 1479 ST8×16 — the figures shown here match GB/T 5285. 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 | — | Zinc Plated | — | |
| Carbon Steel | — | Dacromet | — | |
| Stainless Steel | — | Passivated | — | |
| Stainless Steel | — | Plain | — |
Dimensions at ST8×16
one row per dimension| Dimension | ISO 1479Current | GB/T 5285Current |
|---|---|---|
| Thread PitchP (mm) | 2.1 | 2.1 |
| Thread Runout (max)a (mm) | 2.1 | 2.1 |
| Width Across Flats (max)s (mm) | 13 | 13 |
| Width Across Flats (min)s min (mm) | 12.73 | 12.73 |
| Width Across Corners (min)e (mm) | 14.26 | 14.26 |
| Nominal Head Heightk (mm) | 6 | 6 |
| Head Height (min)k (mm) | 5.2 | 5.2 |
| 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