204 specs, sorted by size. Counts are branded parts linked to each spec.
| Spec | Thread | Length mm | Head | Drive | Parts | Brands |
|---|
| M0.3x8 button head screw, hex socket | M0.3 | 8 | button | hex | 1 | 1 |
| M1.6x10 socket head cap screw, hex socket | M1.6 | 10 | socket-cap | hex | 1 | 1 |
| M1.6x12 countersunk screw, hex socket | M1.6 | 12 | countersunk | hex | 1 | 1 |
| M2x3 countersunk screw, hex socket | M2 | 3 | countersunk | hex | 2 | 2 |
| M2x3 socket head cap screw, hex socket | M2 | 3 | socket-cap | hex | 1 | 1 |
| M2x4 button head screw, hex socket | M2 | 4 | button | hex | 3 | 3 |
| M2x4 countersunk screw, hex socket | M2 | 4 | countersunk | hex | 1 | 1 |
| M2x4 socket head cap screw, hex socket | M2 | 4 | socket-cap | hex | 2 | 2 |
| M2x5 countersunk screw, hex socket | M2 | 5 | countersunk | hex | 1 | 1 |
| M2x5 socket head cap screw, hex socket | M2 | 5 | socket-cap | hex | 3 | 3 |
| M2x6 button head screw, hex socket | M2 | 6 | button | hex | 2 | 2 |
| M2x6 socket head cap screw, hex socket | M2 | 6 | socket-cap | hex | 3 | 3 |
| M2x8 button head screw, hex socket | M2 | 8 | button | hex | 1 | 1 |
| M2x8 countersunk screw, hex socket | M2 | 8 | countersunk | hex | 2 | 2 |
| M2x8 countersunk screw, hex socket, self-tapping | M2 | 8 | countersunk | hex | 1 | 1 |
| M2x8 socket head cap screw, hex socket | M2 | 8 | socket-cap | hex | 3 | 3 |
| M2x10 button head screw, hex socket | M2 | 10 | button | hex | 1 | 1 |
| M2x10 countersunk screw, hex socket | M2 | 10 | countersunk | hex | 1 | 1 |
| M2x10 socket head cap screw, hex socket | M2 | 10 | socket-cap | hex | 3 | 3 |
| M2x12 socket head cap screw, hex socket | M2 | 12 | socket-cap | hex | 2 | 2 |
| M2x16 socket head cap screw, hex socket | M2 | 16 | socket-cap | hex | 1 | 1 |
| M2.5x2.5 set screw, hex socket | M2.5 | 2.5 | set | hex | 1 | 1 |
| M2.5x3 set screw, hex socket | M2.5 | 3 | set | hex | 1 | 1 |
| M2.5x4 button head screw, hex socket | M2.5 | 4 | button | hex | 3 | 3 |
| M2.5x4 socket head cap screw, hex socket | M2.5 | 4 | socket-cap | hex | 1 | 1 |
| M2.5x5 socket head cap screw, hex socket | M2.5 | 5 | socket-cap | hex | 1 | 1 |
| M2.5x6 button head screw, hex socket | M2.5 | 6 | button | hex | 3 | 3 |
| M2.5x6 countersunk screw, hex socket | M2.5 | 6 | countersunk | hex | 2 | 2 |
| M2.5x6 set screw, hex socket | M2.5 | 6 | set | hex | 1 | 1 |
| M2.5x6 socket head cap screw, hex socket | M2.5 | 6 | socket-cap | hex | 4 | 3 |
| M2.5x8 button head screw, hex socket | M2.5 | 8 | button | hex | 2 | 2 |
| M2.5x8 countersunk screw, hex socket | M2.5 | 8 | countersunk | hex | 5 | 5 |
| M2.5x8 socket head cap screw, hex socket | M2.5 | 8 | socket-cap | hex | 5 | 4 |
| M2.5x10 button head screw, hex socket | M2.5 | 10 | button | hex | 2 | 2 |
| M2.5x10 countersunk screw, hex socket | M2.5 | 10 | countersunk | hex | 2 | 2 |
| M2.5x10 socket head cap screw, hex socket | M2.5 | 10 | socket-cap | hex | 4 | 3 |
| M2.5x12 button head screw, hex socket | M2.5 | 12 | button | hex | 1 | 1 |
| M2.5x12 countersunk screw, hex socket | M2.5 | 12 | countersunk | hex | 3 | 3 |
| M2.5x12 socket head cap screw, hex socket | M2.5 | 12 | socket-cap | hex | 4 | 3 |
| M2.5x14 button head screw, hex socket | M2.5 | 14 | button | hex | 1 | 1 |
| M2.5x16 button head screw, hex socket | M2.5 | 16 | button | hex | 1 | 1 |
| M2.5x16 countersunk screw, hex socket | M2.5 | 16 | countersunk | hex | 1 | 1 |
| M2.5x16 socket head cap screw, hex socket | M2.5 | 16 | socket-cap | hex | 3 | 2 |
| M2.5x18 button head screw, hex socket | M2.5 | 18 | button | hex | 1 | 1 |
| M2.5x18 countersunk screw, hex socket | M2.5 | 18 | countersunk | hex | 1 | 1 |
| M2.5x18 socket head cap screw, hex socket | M2.5 | 18 | socket-cap | hex | 3 | 2 |
| M2.5x20 button head screw, hex socket | M2.5 | 20 | button | hex | 1 | 1 |
| M2.5x20 countersunk screw, hex socket | M2.5 | 20 | countersunk | hex | 1 | 1 |
| M2.5x20 socket head cap screw, hex socket | M2.5 | 20 | socket-cap | hex | 2 | 1 |
| M2.5x25 socket head cap screw, hex socket | M2.5 | 25 | socket-cap | hex | 1 | 1 |
| M2.5x30 socket head cap screw, hex socket | M2.5 | 30 | socket-cap | hex | 1 | 1 |
| M2.6x5 socket head cap screw, hex socket | M2.6 | 5 | socket-cap | hex | 1 | 1 |
| M2.6x8 countersunk screw, hex socket | M2.6 | 8 | countersunk | hex | 1 | 1 |
| M2.6x10 socket head cap screw, hex socket | M2.6 | 10 | socket-cap | hex | 1 | 1 |
| M3x2 set screw, hex socket | M3 | 2 | set | hex | 1 | 1 |
| M3x2.5 set screw, hex socket | M3 | 2.5 | set | hex | 4 | 4 |
| M3x3 button head screw, hex socket | M3 | 3 | button | hex | 1 | 1 |
| M3x3 set screw, hex socket | M3 | 3 | set | hex | 12 | 11 |
| M3x4 button head screw, hex socket | M3 | 4 | button | hex | 3 | 3 |
| M3x4 countersunk screw, hex socket | M3 | 4 | countersunk | hex | 1 | 1 |
| M3x4 set screw, hex socket | M3 | 4 | set | hex | 10 | 10 |
| M3x5 button head screw, hex socket | M3 | 5 | button | hex | 4 | 4 |
| M3x5 countersunk screw, hex socket | M3 | 5 | countersunk | hex | 5 | 5 |
| M3x5 low head cap screw, hex socket | M3 | 5 | low-head | hex | 1 | 1 |
| M3x5 set screw, hex socket | M3 | 5 | set | hex | 4 | 4 |
| M3x5 socket head cap screw, hex socket | M3 | 5 | socket-cap | hex | 3 | 2 |
| M3x6 button head screw, hex socket | M3 | 6 | button | hex | 9 | 6 |
| M3x6 countersunk screw, hex socket | M3 | 6 | countersunk | hex | 15 | 11 |
| M3x6 low head cap screw, hex socket | M3 | 6 | low-head | hex | 1 | 1 |
| M3x6 set screw, hex socket | M3 | 6 | set | hex | 4 | 3 |
| M3x6 socket head cap screw, hex socket | M3 | 6 | socket-cap | hex | 8 | 6 |
| M3x7 button head screw, hex socket | M3 | 7 | button | hex | 1 | 1 |
| M3x8 button head screw, hex socket | M3 | 8 | button | hex | 11 | 8 |
| M3x8 countersunk screw, hex socket | M3 | 8 | countersunk | hex | 17 | 13 |
| M3x8 countersunk screw, JIS cross recess | M3 | 8 | countersunk | jis | 1 | 1 |
| M3x8 low head cap screw, hex socket | M3 | 8 | low-head | hex | 1 | 1 |
| M3x8 set screw, hex socket | M3 | 8 | set | hex | 6 | 5 |
| M3x8 socket head cap screw, hex socket | M3 | 8 | socket-cap | hex | 11 | 9 |
| M3x10 button head screw, hex socket | M3 | 10 | button | hex | 14 | 10 |
| M3x10 countersunk screw, hex socket | M3 | 10 | countersunk | hex | 17 | 13 |
| M3x10 countersunk screw, JIS cross recess | M3 | 10 | countersunk | jis | 1 | 1 |
| M3x10 low head cap screw, hex socket | M3 | 10 | low-head | hex | 1 | 1 |
| M3x10 set screw, hex socket | M3 | 10 | set | hex | 11 | 10 |
| M3x10 socket head cap screw, hex socket | M3 | 10 | socket-cap | hex | 10 | 8 |
| M3x12 button head screw, hex socket | M3 | 12 | button | hex | 9 | 7 |
| M3x12 countersunk screw, hex socket | M3 | 12 | countersunk | hex | 17 | 14 |
| M3x12 countersunk screw, hex socket, self-tapping | M3 | 12 | countersunk | hex | 1 | 1 |
| M3x12 countersunk screw, JIS cross recess | M3 | 12 | countersunk | jis | 2 | 1 |
| M3x12 countersunk screw, JIS cross recess, self-tapping | M3 | 12 | countersunk | jis | 1 | 1 |
| M3x12 low head cap screw, hex socket | M3 | 12 | low-head | hex | 1 | 1 |
| M3x12 set screw, hex socket | M3 | 12 | set | hex | 4 | 4 |
| M3x12 socket head cap screw, hex socket | M3 | 12 | socket-cap | hex | 11 | 8 |
| M3x14 button head screw, hex socket | M3 | 14 | button | hex | 7 | 7 |
| M3x14 countersunk screw, hex socket | M3 | 14 | countersunk | hex | 9 | 8 |
| M3x14 low head cap screw, hex socket | M3 | 14 | low-head | hex | 1 | 1 |
| M3x14 set screw, hex socket | M3 | 14 | set | hex | 1 | 1 |
| M3x14 socket head cap screw, hex socket | M3 | 14 | socket-cap | hex | 9 | 7 |
| M3x15 button head screw, hex socket | M3 | 15 | button | hex | 2 | 2 |
| M3x15 countersunk screw, hex socket | M3 | 15 | countersunk | hex | 3 | 3 |
| M3x15 set screw, hex socket | M3 | 15 | set | hex | 1 | 1 |
| M3x15 socket head cap screw, hex socket | M3 | 15 | socket-cap | hex | 1 | 1 |
| M3x16 button head screw, hex socket | M3 | 16 | button | hex | 5 | 4 |
| M3x16 countersunk screw, hex socket | M3 | 16 | countersunk | hex | 11 | 9 |
| M3x16 countersunk screw, JIS cross recess | M3 | 16 | countersunk | jis | 1 | 1 |
| M3x16 low head cap screw, hex socket | M3 | 16 | low-head | hex | 1 | 1 |
| M3x16 set screw, hex socket | M3 | 16 | set | hex | 2 | 2 |
| M3x16 socket head cap screw, hex socket | M3 | 16 | socket-cap | hex | 6 | 4 |
| M3x17 countersunk screw, hex socket | M3 | 17 | countersunk | hex | 1 | 1 |
| M3x18 button head screw, hex socket | M3 | 18 | button | hex | 5 | 5 |
| M3x18 countersunk screw, hex socket | M3 | 18 | countersunk | hex | 8 | 7 |
| M3x18 countersunk screw, JIS cross recess | M3 | 18 | countersunk | jis | 1 | 1 |
| M3x18 low head cap screw, hex socket | M3 | 18 | low-head | hex | 1 | 1 |
| M3x18 set screw, hex socket | M3 | 18 | set | hex | 1 | 1 |
| M3x18 socket head cap screw, hex socket | M3 | 18 | socket-cap | hex | 8 | 5 |
| M3x20 button head screw, hex socket | M3 | 20 | button | hex | 7 | 6 |
| M3x20 countersunk screw, hex socket | M3 | 20 | countersunk | hex | 10 | 9 |
| M3x20 countersunk screw, JIS cross recess, self-tapping | M3 | 20 | countersunk | jis | 1 | 1 |
| M3x20 low head cap screw, hex socket | M3 | 20 | low-head | hex | 1 | 1 |
| M3x20 set screw, hex socket | M3 | 20 | set | hex | 3 | 3 |
| M3x20 socket head cap screw, hex socket | M3 | 20 | socket-cap | hex | 4 | 3 |
| M3x22 button head screw, hex socket | M3 | 22 | button | hex | 2 | 2 |
| M3x22 countersunk screw, hex socket | M3 | 22 | countersunk | hex | 1 | 1 |
| M3x22 low head cap screw, hex socket | M3 | 22 | low-head | hex | 1 | 1 |
| M3x22 socket head cap screw, hex socket | M3 | 22 | socket-cap | hex | 4 | 4 |
| M3x23 button head screw, hex socket | M3 | 23 | button | hex | 2 | 2 |
| M3x23 socket head cap screw, hex socket | M3 | 23 | socket-cap | hex | 1 | 1 |
| M3x23.8 countersunk screw, hex socket | M3 | 23.8 | countersunk | hex | 1 | 1 |
| M3x24 button head screw, hex socket | M3 | 24 | button | hex | 2 | 1 |
| M3x25 button head screw, hex socket | M3 | 25 | button | hex | 5 | 4 |
| M3x25 countersunk screw, hex socket | M3 | 25 | countersunk | hex | 2 | 2 |
| M3x25 countersunk screw, JIS cross recess | M3 | 25 | countersunk | jis | 1 | 1 |
| M3x25 low head cap screw, hex socket | M3 | 25 | low-head | hex | 1 | 1 |
| M3x25 socket head cap screw, hex socket | M3 | 25 | socket-cap | hex | 6 | 5 |
| M3x28 button head screw, hex socket | M3 | 28 | button | hex | 1 | 1 |
| M3x28 socket head cap screw, hex socket | M3 | 28 | socket-cap | hex | 3 | 2 |
| M3x30 button head screw, hex socket | M3 | 30 | button | hex | 3 | 3 |
| M3x30 set screw, hex socket | M3 | 30 | set | hex | 1 | 1 |
| M3x30 socket head cap screw, hex socket | M3 | 30 | socket-cap | hex | 4 | 4 |
| M3x32 countersunk screw, JIS cross recess | M3 | 32 | countersunk | jis | 1 | 1 |
| M3x35 button head screw, hex socket | M3 | 35 | button | hex | 2 | 2 |
| M3x35 countersunk screw, hex socket | M3 | 35 | countersunk | hex | 1 | 1 |
| M3x35 socket head cap screw, hex socket | M3 | 35 | socket-cap | hex | 4 | 3 |
| M3x36 countersunk screw, hex socket | M3 | 36 | countersunk | hex | 1 | 1 |
| M3x40 button head screw, hex socket | M3 | 40 | button | hex | 1 | 1 |
| M3x40 socket head cap screw, hex socket | M3 | 40 | socket-cap | hex | 2 | 2 |
| M3x45 button head screw, hex socket | M3 | 45 | button | hex | 1 | 1 |
| M3x46 button head screw, hex socket | M3 | 46 | button | hex | 1 | 1 |
| M3x50 socket head cap screw, hex socket | M3 | 50 | socket-cap | hex | 2 | 1 |
| M4x4 button head screw, hex socket | M4 | 4 | button | hex | 1 | 1 |
| M4x4 set screw, hex socket | M4 | 4 | set | hex | 9 | 9 |
| M4x5 set screw, hex socket | M4 | 5 | set | hex | 2 | 2 |
| M4x6 button head screw, hex socket | M4 | 6 | button | hex | 2 | 1 |
| M4x6 countersunk screw, hex socket | M4 | 6 | countersunk | hex | 2 | 2 |
| M4x6 set screw, hex socket | M4 | 6 | set | hex | 3 | 3 |
| M4x6 socket head cap screw, hex socket | M4 | 6 | socket-cap | hex | 1 | 1 |
| M4x7 socket head cap screw, hex socket | M4 | 7 | socket-cap | hex | 1 | 1 |
| M4x8 button head screw, hex socket | M4 | 8 | button | hex | 2 | 1 |
| M4x8 countersunk screw, hex socket | M4 | 8 | countersunk | hex | 6 | 5 |
| M4x8 set screw, hex socket | M4 | 8 | set | hex | 4 | 4 |
| M4x8 socket head cap screw, hex socket | M4 | 8 | socket-cap | hex | 2 | 1 |
| M4x10 button head screw, hex socket | M4 | 10 | button | hex | 4 | 3 |
| M4x10 countersunk screw, hex socket | M4 | 10 | countersunk | hex | 8 | 6 |
| M4x10 set screw, hex socket | M4 | 10 | set | hex | 1 | 1 |
| M4x10 socket head cap screw, hex socket | M4 | 10 | socket-cap | hex | 5 | 2 |
| M4x12 button head screw, hex socket | M4 | 12 | button | hex | 6 | 4 |
| M4x12 countersunk screw, hex socket | M4 | 12 | countersunk | hex | 8 | 7 |
| M4x12 set screw, hex socket | M4 | 12 | set | hex | 1 | 1 |
| M4x12 socket head cap screw, hex socket | M4 | 12 | socket-cap | hex | 5 | 3 |
| M4x13 button head screw, hex socket, self-tapping | M4 | 13 | button | hex | 1 | 1 |
| M4x14 button head screw, hex socket | M4 | 14 | button | hex | 3 | 3 |
| M4x14 countersunk screw, hex socket | M4 | 14 | countersunk | hex | 2 | 2 |
| M4x14 socket head cap screw, hex socket | M4 | 14 | socket-cap | hex | 2 | 1 |
| M4x15 button head screw, hex socket, self-tapping | M4 | 15 | button | hex | 1 | 1 |
| M4x15 countersunk screw, hex socket | M4 | 15 | countersunk | hex | 2 | 2 |
| M4x15 socket head cap screw, hex socket | M4 | 15 | socket-cap | hex | 1 | 1 |
| M4x16 button head screw, hex socket | M4 | 16 | button | hex | 4 | 3 |
| M4x16 countersunk screw, hex socket | M4 | 16 | countersunk | hex | 5 | 4 |
| M4x16 set screw, hex socket | M4 | 16 | set | hex | 1 | 1 |
| M4x16 socket head cap screw, hex socket | M4 | 16 | socket-cap | hex | 4 | 3 |
| M4x18 button head screw, hex socket | M4 | 18 | button | hex | 2 | 2 |
| M4x18 countersunk screw, hex socket | M4 | 18 | countersunk | hex | 2 | 2 |
| M4x18 socket head cap screw, hex socket | M4 | 18 | socket-cap | hex | 2 | 1 |
| M4x20 button head screw, hex socket | M4 | 20 | button | hex | 3 | 2 |
| M4x20 countersunk screw, hex socket | M4 | 20 | countersunk | hex | 3 | 3 |
| M4x20 set screw, hex socket | M4 | 20 | set | hex | 3 | 2 |
| M4x20 socket head cap screw, hex socket | M4 | 20 | socket-cap | hex | 2 | 1 |
| M4x22 button head screw, hex socket | M4 | 22 | button | hex | 2 | 2 |
| M4x22 socket head cap screw, hex socket | M4 | 22 | socket-cap | hex | 1 | 1 |
| M4x25 button head screw, hex socket | M4 | 25 | button | hex | 3 | 2 |
| M4x25 countersunk screw, hex socket | M4 | 25 | countersunk | hex | 3 | 3 |
| M4x25 socket head cap screw, hex socket | M4 | 25 | socket-cap | hex | 2 | 1 |
| M4x30 button head screw, hex socket | M4 | 30 | button | hex | 3 | 3 |
| M4x30 countersunk screw, hex socket | M4 | 30 | countersunk | hex | 1 | 1 |
| M4x30 socket head cap screw, hex socket | M4 | 30 | socket-cap | hex | 2 | 1 |
| M4x35 button head screw, hex socket | M4 | 35 | button | hex | 1 | 1 |
| M4x35 socket head cap screw, hex socket | M4 | 35 | socket-cap | hex | 1 | 1 |
| M4x40 socket head cap screw, hex socket | M4 | 40 | socket-cap | hex | 1 | 1 |
| M4x65 button head screw, hex socket | M4 | 65 | button | hex | 1 | 1 |
| M5x4 set screw, hex socket | M5 | 4 | set | hex | 6 | 6 |
| M5x5 set screw, hex socket | M5 | 5 | set | hex | 3 | 3 |
| M5x16 set screw, hex socket | M5 | 16 | set | hex | 1 | 1 |
| M5x30 set screw, hex socket | M5 | 30 | set | hex | 1 | 1 |
| M5x50 countersunk screw, hex socket | M5 | 50 | countersunk | hex | 1 | 1 |
| M6x6 socket head cap screw, hex socket | M6 | 6 | socket-cap | hex | 1 | 1 |
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