| Category | Hardware, Fasteners, Accessories Rivets |
|---|---|
| Head diameter | 7.3-7.55 |
| specifications | ST3.9*40 |
| Texture Of Material | 1022 (carbon steel) |
| Surface treatment | Blue-white zinc |
| Rotation direction | Right-Handed Rotation |
| Interdental distance | 1.30 |
| Nominal length | 38.7-41.3 |
| End processing | Pointed Tail |
| Groove depth | 2.0-2.5 |
| Dental form | Self-tapping thread |
| Head thickness | max2.5 |
| Tooth outer diameter | 3.73-3.91 |
| Slot number | 2# |
| Sharp tail angle | 40-50 |
| Groove type | Cross |
| Headform | Countersunk |
| Countersunk angle | 90-92 |
| Weight | 0.5g |