ISO 1481 ST4.2×16 Slotted Pan Tapping Screw5 combinations of material, property class and finish supplied in this size.
- Standard
- ISO 1481 · 2011
- Thread
- ST4.2 · pitch 1.4 mm
- Length under head
- 16 mm · 15.2–16.8 mm to ISO 1481 product grade A
- Head height
- 2.4 mm
- Weight
- 2.36 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering424 pieces per kg
- Also named
- GB/T 5282
Supplied to ISO 1481 ST4.2×16 — 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 ST4.2×16
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 ST4.2×16. 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 ST4.2×16
one row per dimension| Dimension | ISO 1481Current | GB/T 5282Current |
|---|---|---|
| Slot Width (nominal)n (mm) | — | 1.2 |
13 more dimensions — identical in ISO 1481 and GB/T 5282
| Thread PitchP (mm) | 1.4 | 1.4 |
|---|---|---|
| Thread Runout (max)a (mm) | 1.4 | 1.4 |
| Head Diameterdk (mm) | 8 | 8 |
| Head Diameter (min)dk min (mm) | 7.6 | 7.6 |
| Nominal Head Heightk (mm) | 2.4 | 2.4 |
| Head Height (min)k (mm) | 2.2 | 2.2 |
| Slot Width (max)n (mm) | 1.51 | 1.51 |
| Slot Width (min)n (mm) | 1.26 | 1.26 |
| Slot Depth (min)t (mm) | 1 | 1 |
| Radius (min)r (mm) | 0.2 | 0.2 |
| Point Length — C (ref.)y (mm) | 3.7 | 3.7 |
| Point Length — F (ref.)y (mm) | 2.8 | 2.8 |
| Point Length — R (ref.)y (mm) | 3.2 | 3.2 |
Plating adds thickness — state the finish on the order.
Other lengths in ST4.2
All sizes →| Size | kg per 1 000 pieces | |
|---|---|---|
| ST4.2×16 | 2.36 | this page |
| ST4.2×25 | 3.27 | open |
| ST4.2×45 | 5.29 | open |
Nearby sizesST3.5 x 25