ASME B18.3 1/4-20 UNC×1.125 Cap Screw6 combinations of material, property class and finish supplied in this size.
- Standard
- ASME B18.3 · 2012
- Thread
- 1/4-20 UNC
- Length under head
- 1-1/8 in
- Head height
- 0.25 in
- Clearance / tap drill
- #7 (0.2010 in)
- Weight
- 9.38 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering107 pieces per kg
Order 1/4-20 UNC×1.125
Set a quantity on as many rows as you need. Not listed? We make to your drawing — send it with the enquiry.
| Material | Class | Finish | Quantity | Net weight |
|---|---|---|---|---|
| Alloy Steel | — | Blackened | — | |
| Alloy Steel | — | Plain | — | |
| Stainless Steel | AF | Passivated | — | |
| Stainless Steel | AF | Plain | — | |
| Stainless Steel | CW | Passivated | — | |
| Stainless Steel | CW | Plain | — |
Dimensions at 1/4-20 UNC×1.125
| Dimension | Value |
|---|---|
| k | 0.25 in |
| Weight | 9.38 kg / 1000 pcs |
| Pieces per kg | 107 |
Plating adds thickness — state the finish on the order.
Holes for this thread
ISO 273 · ISO 2306| Hole | Diameter |
|---|---|
| Tap drill | #7 (0.2010 in) |
Other lengths in 1/4-20 UNC
All sizes →| Size | kg per 1 000 pieces | |
|---|---|---|
| 1/4-20 UNC×0.875 | 7.91 | open |
| 1/4-20 UNC×1 | 8.64 | open |
| 1/4-20 UNC×1.125 | 9.38 | this page |
| 1/4-20 UNC×1.25 | 10.11 | open |
| 1/4-20 UNC×1.375 | 10.85 | open |
1/4-20 UNC x 0.251/4-20 UNC x 0.31251/4-20 UNC x 0.3751/4-20 UNC x 0.43751/4-20 UNC x 0.51/4-20 UNC x 0.6251/4-20 UNC x 0.751/4-20 UNC x 0.8751/4-20 UNC x 11/4-20 UNC x 1.251/4-20 UNC x 1.3751/4-20 UNC x 1.51/4-20 UNC x 1.751/4-20 UNC x 21/4-20 UNC x 2.251/4-20 UNC x 2.5
StandardsASME B18.3All sizes