Disgrifiad
Paramedrau technegol
Deunydd:Dur carbon

| Maint | d0 mm |
| 1/4"X2" | 3/8" |
| 1/4"X3" | 3/8" |
| 5/16"X2 1/4" | 1/2" |
| 5/16"X3 1/4" | 1/2" |
| 3/8"X2 1/2" | 9/16" |
| 3/8"X3 1/2" | 9/16" |
| 1/2"X3" | 3/4" |
| 1/2"X4 1/2" | 3/4" |
| 5/8"X3 1/2" | 7/8" |
| 5/8"X5" | 7/8" |
| 3/4"X4 1/2" | 1" |
| 3/4"X6 1/2" | 1" |
| 1"X6" | 1 1/4" |
| 1"X9" | 1 1/4" |
Tagiau poblogaidd: Llawes Brasil gyda Hex Bolt, Llawes Brasil China gyda gwneuthurwyr bollt hecs, cyflenwyr, ffatri







