1/2″(12.7mm) Worm drive hose clamp is suitable for medium duty surfaces. It is also called American type hose clamp, this is stainless steel with minus screw. It has wide diameter range and various material. Widely used in all area, from home usage to heavy industry.
| UD No. | SAE Size | Min Dia (in) | Max Dia
(in) |
Min Dia (mm) | Max Dia (mm) |
| UD12A-06 | 06 | 7/16 | 25/32 | 11 | 20 |
| UD12A-08 | 08 | 7/16 | 1 | 11 | 25 |
| UD12A-10 | 10 | 1/2 | 1 1/16 | 13 | 27 |
| UD12A-12 | 12 | 1/2 | 1 1/4 | 13 | 32 |
| UD12A-16 | 16 | 11/16 | 1 1/2 | 18 | 38 |
| UD12A-20 | 20 | 3/4 | 1 3/4 | 19 | 44 |
| UD12A-24 | 24 | 1 | 2 | 25 | 51 |
| UD12A-28 | 28 | 1 1/4 | 2 1/4 | 32 | 57 |
| UD12A-32 | 32 | 1 1/2 | 2 1/2 | 38 | 64 |
| UD12A-36 | 36 | 1 3/4 | 2 3/4 | 44 | 70 |
| UD12A-40 | 40 | 2 | 3 | 51 | 76 |
| UD12A-44 | 44 | 2 1/4 | 3 1/4 | 57 | 82 |
| UD12A-48 | 48 | 2 1/2 | 3 1/2 | 64 | 89 |
| UD12A-52 | 52 | 2 3/4 | 3 3/4 | 70 | 95 |
| UD12A-56 | 56 | 3 | 4 | 76 | 101 |
| UD12A-60 | 60 | 3 1/4 | 4 1/4 | 83 | 108 |
| UD12A-64 | 64 | 3 1/2 | 4 1/2 | 89 | 114 |
| UD12A-72 | 72 | 4 | 5 | 102 | 127 |
| UD12A-80 | 80 | 4 1/2 | 5 1/2 | 114 | 140 |
| UD12A-88 | 88 | 5 | 6 | 127 | 152 |
| UD12A-96 | 96 | 5 1/2 | 6 1/2 | 140 | 165 |
| UD12A-104 | 104 | 6 | 7 | 152 | 178 |
| Sizes can be adjusted as per inquiry. | |||||
| Material | Band | Housing | Screw |
| W1 | Zinc plated steel | Zinc plated steel | Zinc plated steel |
| W2 | AISI 201SS/304SS | AISI 201SS/304SS | Zinc plated steel |
| W2B | AISI 201SS | Zinc plated steel | Zinc plated steel |
| W4 | AISI 201SS/304SS | AISI 201SS/304SS | AISI 201SS/304SS |
| W5 | AISI 316SS | AISI 316SS | AISI 316SS |
