
| Size | Class | Code | Chamfer | L | ℓ | ℓn | ℓs | Ds | K | ℓk | No. of | ||||||
| (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | flutes Type Stock | ||||||||||
| 7/16-20UNF | P3 | PORU07NL15 | 5P | 150 | 26 | - | 50 | 8.5 | 6.5 | 9 | 3 | 2 | △ |
PORU08RL15 150
1/2-13UNC P3 5P 26 - 60 10.5 8 11 3 2 △
PORU08RL20 200 PORU08NL15 150
1/2-20UNF P3 5P 26 - 60 10.5 8 11 3 2 △
PORU08NL20 200 PORU10UL15 150
5/8-11UNC P3 5P 26 - 60 12.5 10 13 3 2 △
PORU10UL20 200 PORU10OL15 150
5/8-18UNF P3 5P 26 - 60 12.5 10 13 3 2 △
PORU10OL20 200 POSU12VL15 150
3/4-10UNC P4 5P 33 - 70 15 12 15 3 3 △
POSU12VL20 200 PORU12PL15 150
3/4-16UNF P3 5P 33 - 70 15 12 15 3 3 △
PORU12PL20 200
| 7/8-9UNC | P4 | POSU14WL20 | 5P | 200 | 33 | - | 70 | 17 | 13 | 16 | 3 | 3 | △ |
| 7/8-14UNF | P3 | PORU14QL20 | 5P | 200 | 33 | - | 70 | 17 | 13 | 16 | 3 | 3 | △ |
| 1 -8UNC | P4 | POSU16XL20 | 5P | 200 | 39 | - | 80 | 19 | 15 | 18 | 3 | 3 | △ |
| 1 -12UNF | P4 | POSU16SL20 | 5P | 200 | 39 | - | 80 | 19 | 15 | 18 | 3 | 3 | △ |
For Whitworth Threads
L ℓ ℓn ℓs Ds K ℓk No. of
Size Class Code Chamfer flutes Type Stock
(mm) (mm) (mm) (mm) (mm) (mm) (mm)
PORW04NL10 100
1/4W20 P3 5P 15 26 40 6 4.5 7 3 1 △
PORW04NL15 150 PORW05OL10 100
5/16W18 P3 5P 19 - 50 6.2 5 8 3 2 △
PORW05OL15 150 PORW06PL10 100
3/8W16 P3 5P 23 - 50 7 5.5 8 3 2 △
PORW06PL15 150
7/16W14 P3 PORW07QL15 5P 150 26 - 50 8.5 6.5 9 3 2 △
PORW08SL15 150
1/2W12 P3 5P 26 - 60 10.5 8 11 3 2 △
PORW08SL20 200 PORW10UL15 150
5/8W11 P3 5P 26 - 60 12.5 10 13 3 2 △
PORW10UL20 200 POSW12VL15 150
3/4W10 P4 5P 33 - 70 15 12 15 3 3 △
POSW12VL20 200 POSW14WL15 150
7/8W9 P4 5P 33 - 70 17 13 16 3 3 △
POSW14WL20 200 POSW16XL15 150
1 W8 P4 5P 39 - 80 19 15 18 3 3 △
POSW16XL20 200