ASME B18.2.1 7/8-9 UNC×1.75 Hex Cap Screw8 combinations of material, property class and finish supplied in this size.
- Standard
- ASME B18.2.1 · 2012
- Thread
- 7/8-9 UNC
- Length under head
- 1-3/4 in
- Drive
- 1.312 in spanner · e 1.465 in
- Head height
- 0.563 in
- Clearance / tap drill
- 49/64 (0.7656 in)
- Weight
- 225.22 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering4.4 pieces per kg
Order 7/8-9 UNC×1.75
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 |
|---|---|---|---|---|
| Carbon Steel | Grade 5 | Zinc Plated | — | |
| Carbon Steel | Grade 5 | Blackened | — | |
| Carbon Steel | Grade 5 | Plain | — | |
| Carbon Steel | Grade 8 | Zinc Plated | — | |
| Carbon Steel | Grade 8 | Blackened | — | |
| Carbon Steel | Grade 8 | Plain | — | |
| Carbon Steel | Grade A | Hot Dip Galvanized | — | |
| Carbon Steel | Grade A | Plain | — |
Dimensions at 7/8-9 UNC×1.75
| Dimension | Value |
|---|---|
| s | 1.312 in |
| e | 1.465 in |
| k | 0.563 in |
| Weight | 225.22 kg / 1000 pcs |
| Pieces per kg | 4.4 |
Plating adds thickness — state the finish on the order.
Holes for this thread
ISO 273 · ISO 2306| Hole | Diameter |
|---|---|
| Tap drill | 49/64 (0.7656 in) |
Other lengths in 7/8-9 UNC
All sizes →| Size | kg per 1 000 pieces | |
|---|---|---|
| 7/8-9 UNC×1.75 | 225.22 | this page |
| 7/8-9 UNC×2 | 243.20 | open |
| 7/8-9 UNC×2.25 | 261.19 | open |
| 7/8-9 UNC×2.5 | 279.17 | open |
| 7/8-9 UNC×2.75 | 297.16 | open |
7/8-9 UNC x 27/8-9 UNC x 2.257/8-9 UNC x 2.57/8-9 UNC x 2.757/8-9 UNC x 37/8-9 UNC x 3.257/8-9 UNC x 3.57/8-9 UNC x 3.757/8-9 UNC x 47/8-9 UNC x 4.57/8-9 UNC x 57/8-9 UNC x 5.5
Nearby sizes3/4-10 UNC x 5.5
StandardsASME B18.2.1All sizes