
| Size | Class | Code | Chamfer | L | ℓ | ℓn | ℓs | Ds | K | ℓk | No. of |
| (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | flutes Type Stock |
M16 1.5 P2 2.5P 26 - 60 12.5 10 13 3 2
| SPQ016OL20 | 200 | △ |
| SPR018RL15 | 150 | ○ |
P3 SPR018RL20 2.5P 200 33 - 70 14 11 14 4 2
△ SPR018RL25 250
M18 1.5 P2 2.5P 33 - 70 14 11 14 4 2
SPQ018OL20 200 △
SPR020RL15 150
| M20 | 2.5 | P3 | SPR020RL20 | 2.5P | 200 | 33 | - | 70 | 15 | 12 | 15 | 4 | 3 | |
| SPR020RL25 | 250 | △ |
M20 1.5 P3 2.5P 33 - 70 15 12 15 4 3
SPR020OL20 200 △
M22 2.5 P3 2.5P 33 - 70 17 13 16 4 3 △
SPR022RL20 200
M22 1.5 P3 2.5P 33 - 70 17 13 16 4 3
| SPR022OL20 | 200 | △ |
| SPR024SL15 | 150 | ○ |
M24 3 ◎
| P3 | SPR024SL20 | 2.5P | 200 | 39 | - | 80 | 19 | 15 | 18 | 4 | 3 | |
| SPR024SL25 | 250 | △ |
M24 2 △
P3 SPR024QL20 2.5P 200 39 - 80 19 15 18 4 3
M24 1.5 P3 2.5P 39 - 80 19 15 18 4 3
SPR024OL20 200 △
M27 3 P3 2.5P 39 - 80 20 15 18 4 3 △
SPR027SL25 250 M27 2 △
P3 SPR027QL20 2.5P 200 39 - 80 20 15 18 4 3
M27 1.5 P3 2.5P 39 - 80 20 15 18 4 3 △
SPR027OL25 250 SPS030TL20 200 M30 3.5 △
P4 SPS030TL25 2.5P 250 46 - 80 23 17 20 4 3
SPS030TL30 300
M30 1.5 P3 2.5P 46 - 80 23 17 20 4 3 △
SPR030OL25 250 For Unified Threads
| Size | Class | Code | Chamfer | L | ℓ | ℓn | ℓs | Ds | K | ℓk | No. of |
| (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | flutes Type Stock |
SPQU04NL10 100
1/4-20UNC P2 2.5P 15 26 40 6 4.5 7 3 1 △
SPQU04NL15 150 SPQU04KL10 100
1/4-28UNF P2 2.5P 15 26 40 6 4.5 7 3 1 △
SPQU04KL15 150 SPQU05OL10 100
5/16-18UNC P2 2.5P 19 - 50 6.2 5 8 3 2 △
SPQU05OL15 150 SPQU05ML10 100
5/16-24UNF P2 2.5P 19 - 50 6.2 5 8 3 2 △
SPQU05ML15 150 SPQU06PL10 100
3/8-16UNC P2 SPQU06PL15 2.5P 150 23 - 50 7 5.5 8 3 2 △
SPQU06PL20 200 SPQU06ML10 100
3/8-24UNF P2 2.5P 23 - 50 7 5.5 8 3 2 △
SPQU06ML15 150
| 7/16-14UNC | P3 | SPRU07QL15 | 2.5P | 150 | 26 | - | 50 | 8.5 | 6.5 | 9 | 3 | 2 | △ |
| 7/16-20UNF | P2 | SPQU07NL15 | 2.5P | 150 | 26 | - | 50 | 8.5 | 6.5 | 9 | 3 | 2 | △ |