ขนาด (นิ้ว) | ใช้รัดท่อ (นิ้ว) | A วัดวงใน (นิ้ว) | B แกน (นิ้ว) | C ความยาววงใน-ปลาย (นิ้ว) | D เกลียวยาว (นิ้ว) |
3/8 | 3/8 | 3/4 | 1/4 | 1.1/2 | 7/8 |
1/2 | 1/2 | 7/8 | 1/4 | 1.1/2 | 7/8 |
3/4 | 3/4 | 1.1/8 | 1/4 | 1.3/4 | 1 |
1 | 1 | 1.3/8 | 1/4 | 2.1/4 | 1.1/8 |
1 | 1 | 1.3/8 | 5/16 | 2.1/4 | 1.1/8 |
1.1/4 | 1 | 1.1/2 | 5/16 | 2.1/4 | 1.1/8 |
1.1/2 | 1.1/4 | 1.3/4 | 5/16 | 2.1/2 | 1.1/4 |
1.3/4 | 1.1/2 | 2 | 5/16 | 2.1/2 | 1.1/2 |
2 | 1.3/4 | 2.1/4 | 5/16 | 3 | 1.1/2 |
2.1/4 | 2 | 2.1/2 | 5/16 | 3 | 1.5/8 |
2.1/2 | 2.1/4 | 2.3/4 | 5/16 | 3.1/2 | 1.5/8 |
2.3/4 | 2.1/2 | 3 | 5/16 | 3.1/2 | 1.3/4 |
3 | 2.3/4 | 3.1/4 | 5/16 | 3.1/4 | 1.3/4 |
3.1/2 | 3 | 3.1/2 | 3/8 | 3.1/2 | 2 |
4 | 3.1/2 | 4 | 3/8 | 5 | 2 |
4.1/2 | 4 | 4.1/2 | 3/8 | 5.3/4 | 2 |
5 | 4.1/2 | 5 | 3/8 | 6.3/4 | 2.1/4 |
5.1/2 | 5 | 5.1/2 | 3/8 | 6.3/4 | 2.1/4 |
6 | 5.1/2 | 6 | 3/8 | 8 | 2.1/2 |
6.1/2 | 6 | 6.1/2 | 3/8 | 8 | 2.1/2 |
7 | 6.1/2 | 7 | 3/8 | 8.1/4 | 2.3/4 |
7.1/2 | 7 | 7.1/2 | 3/8 | 9 | 2.3/4 |
8 | 7.1/2 | 8 | 3/8 | 9.1/4 | 3 |
8.1/2 | 8 | 8.1/2 | 3/8 | 10.1/2 | 3 |
9.1/2 | 9 | 9.1/2 | 3/8 | 11 | 3 |
10.1/2 | 10 | 10.1/2 | 3/8 | 12 | 3.1/2 |
12.1/2 | 12 | 12.1/2 | 3/8 | 16 | 4 |