STEEL TOWER BOLT NECK
STEEL & ALUMINUM
MATERIAL : BRASS
| Code No. | Size MM | Size Inches | PCS/BOX | PCS/CASE | screw size |
| STM18 | 100 | 4 | 10 | 240 | 5x25 |
| STM19 | 150 | 6 | 10 | 200 | 5x25 |
| STM20 | 200 | 8 | 10 | 160 | 5x25 |
| STM50 | 250 | 10 | 10 | 120 | 5x25 |
| STM51 | 300 | 12 | 10 | 120 | 5x25 |