Slotted (-) countersunk machine screw

Brand :
SUNCO
Caution
Product Description
[Materials] SWCH-equivalent, stainless steel SUS304-equivalent, SUS316L, and titanium
[Surface treatment] None, trivalent chromate, non-chrome plating white, trivalent black, trivalent white, bright chromate plating, hot dip galvanized, chromate plating, black chromate, nickel plating, Parkerizing

| Nominal diameter (d) | Pitch | dk | k | n | t | |||
| Reference dimensions | Tolerance | Reference dimensions | Reference dimensions | Tolerance | Reference dimensions | Tolerance | ||
| M1 | 0.25 | 2 | 0 to -0.3 | 0.6 | 0.32 | +0.1 -0 | 0.25 | +/- 0.05 |
| M1.2 | 0.25 | 2.4 | 0.8 | 0.3 | ||||
| M1.4 | 0.3 | 2.8 | 0.85 | |||||
| M1.6 | 0.35 | 3.2 | 0.95 | 0.4 | +0.15 -0 | 0.35 | ||
| M2 | 0.4 | 4 | 0 -0.4 | 1.2 | 0.6 | 0.5 | +/- 0.1 | |
| M3 | 0.5 | 6 | 0 -0.5 | 1.75 | 0.8 | +0.2 0 | 0.7 | |
| M4 | 0.7 | 8 | 2.3 | 1 | 0.9 | +/- 0.15 | ||
| M5 | 0.8 | 10 | 0 -0.6 | 2.8 | 1.2 | 1.1 | +/- 0.2 | |
| M6 | 1 | 12 | 0 -0.7 | 3.4 | 1.4 | +/- 0.25 | ||
| M8 | 1.25 | 16 | 0 -0.8 | 4.4 | 1.6 | 1.8 | +/- 0.3 | |
| M10 | 1.5 | 20 | 0 -1.3 | 5.7 | 2 | +0.25 0 | 2.5 | +/- 0.4 |
| M12 | 1.75 | 24 | 6.7 | |||||
| M14 | 2 | 27 | 7.2 | 3 | 3.5 | +/- 0.5 | ||
| M16 | 2 | 30 | 7.7 | |||||
| M18 | 2.5 | 33 | 0 -1.6 | 8.2 | ||||
| M20 | 2.5 | 36 | 8.8 | 4 | +0.3 0 | 4.5 | ||
| *M22 | 2.5 | 36 | 13.6 | 5 | ||||
| *M24 | 3 | 39 | 14.4 | |||||
*M22 and M24 have a countersink angle of 60°.