ISO 7051 ST2.9 x 16 Tapping Screw
In stock in 7 material, grade and finish combinations.
Dimensions at ST2.9 x 16
mm · ISO 7051 · 2011 edition| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | ST2.9 | – | – |
| P | Thread pitch | 1.1 | – | – |
| l | Length | 16 | – | – |
| a | Thread runout | – | – | 2.2 |
| dk | Theoretical head diameter | 5.5 | 5.2 | 6.3 |
| k | Head height | 1.7 | – | – |
| r | Radius | – | – | 1.2 |
| Recess number | 1 | – | – | |
| m | Type H recess width (ref) | 3.2 | – | – |
| Type H penetration | – | 1.7 | 2.1 | |
| m | Type Z / socket width (ref) | 3 | – | – |
| Type Z penetration | – | 1.76 | 2.01 | |
| y | Point length (ref.) (C) | 2.6 | – | – |
| y | Point length (ref.) (F) | 2.1 | – | – |
| f | Raised head height (ref) | 0.7 | – | – |
| rf | Head radius (ref) | 6 | – | – |
- Length to top of countersink
- 16 mm · 15.2–16.8 mm (Type C / R), 15.2–16 mm (Type F) to ISO 7051 product grade A
- Approx. weight
- ≈ 0.68 kg per 1 000 pieces · Bare steel, before coating and packing.1474 pieces per kg
- Also named
- GB/T 847