
① ② ℓ ℓ ℓ ℓ
L s D K
metric unified n s k
(reference)
| M2×0.4 | 45 | 8 | - | 32 | 2.8 | 2.1 | 5 | ● | ● | ||
| M2.2×0.45 | 45 | 9 | - | 32 | 2.8 | 2.1 | 5 | ● | ● | ||
| M2.3×0.4 | 45 | 9 | - | 32 | 2.8 | 2.1 | 5 | ● | ● | ||
| M2.5×0.45 | 50 | 8 | 15 | 33 | 2.8 | 2.1 | 5 | ● | ● | ● | |
| M2.6×0.45 | 50 | 8 | 15 | 33 | 2.8 | 2.1 | 5 | ● | ● | ● | |
| №4-40UNC | ● | ● | ● | ||||||||
| M3×0.5 | № | 56 | 9 | 18 | 34 | 3.5 | 2.7 | 6 |
4-48UNF
№6-32UNC ● ●
M3.5×0.6 № 56 11 20 32 4 3 6
6-40UNF
№8-32UNC ● ● ●
M4×0.7 № 63 13 21 38 4.5 3.4 6
8-36UNF
№10-24UNC ● ● ●
M4.5×0.75 № 70 14 24 39 6 4.9 8
10-32UNF
| M5×0.8 | 70 | 14 | 25 | 39 | 6 | 4.9 | 8 | ● | ● | ● | |
| M6×1 | 80 | 15 | 30 | 45 | 6 | 4.9 | 8 | ● | ● | ● | |
| 1/4-20UNC | ● | ● | |||||||||
| 80 | 15 | 30 | 42 | 7 | 5.5 | 8 |
1/4-28UNF
| M8×1.25 | 5/16-18UNC | 90 | 19 | 35 | 47 | 8 | 6.2 | 9 | ● | ● | ● |
| 3/8-16UNC | 100 | 23 | 39 | 54 | 9 | 7 | 10 | ● | |||
| M10×1.5 | 100 | 23 | 39 | 52 | 10 | 8 | 11 | ● | ● | ● |