Specific Specifications of British Standard Worm Drive Hose Clamps :
Screw:hex-head. Carbon steel or 400/200/300 grade stainless steel.
Band:Non-perforated.Carbon steel or 400/200/300 grade stainless steel.
Housing:Carbon steel or 400/200/300 grade stainless steel.
British Standard Worm Drive Hose Clamps Sizing / Clamping Range Chart:
| size | clamp ranging (mm) | bandwidth/band thick (mm) |
| 1/2" | 11-17 | 12.7/0.9 |
| 5/8" | 16-22 | 12.7/0.9 |
| 3/4" | 22-30 | 12.7/0.9 |
| 7/8" | 22-32 | 12.7/0.9 |
| 1" | 25-35 | 12.7/0.9 |
| 1-1/4" | 30-40 | 12.7/0.9 |
| 1-5/8" | 32-50 | 12.7/0.9 |
| 2" | 44-60 | 12.7/0.9 |
| 2-1/2" | 60-80 | 12.7/0.9 |
| 2-7/8" | 70-90 | 12.7/0.9 |
| 3-5/16" | 82-102 | 12.7/0.9 |
| 3-3/4" | 95-115 | 12.7/0.9 |
| 4" | 110-135 | 12.7/0.9 |
