A0-000C Hex-Socketthead (Nissei Seiko)
Model: A0-000C
Dia range:M3～M24
Length range:5～220
Iron (or standard), Stainless steel (303, 304,…), Titanium Alloy (64 Titanium, etc).
Plain, Zinc blue cr6+, Trivalent zinc cr+3 color white, Nickel, Chrome,…
(Unit: mm)
| Thread Nominal Diameter (d) | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M2O | M22 | M24 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Pitch (p) | 0.5 | 0.7 | 0.8 | 1.0 | 1.25 | 1.5 | 1.75 | 2.0 | 2.0 | 2.5 | 2.5 | 2.5 | 3.0 | |
| b | Reference | 18 | 20 | 22 | 24 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 |
| dk | Maximum (Standard Dimension) (1) | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 33 | 36 |
| Maximum (2) | 5.68 | 7.22 | 8.72 | 10.22 | 13.27 | 16.27 | 18.27 | 21.33 | 24.33 | 27.33 | 30.33 | 33.39 | 36.39 | |
| Minimum | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | 32.61 | 35.61 | |
| da | Maximum | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 |
| ds | Maximum (Standard Dimension) | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| Minimum | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | |
| k | Maximum (Standard Dimension) | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| Minimum | 2.86 | 3.82 | 4.82 | 5.7 | 7.64 | 9.64 | 11.57 | 13.57 | 15.57 | 17.57 | 19.48 | 21.48 | 23.48 | |
| r | Minimum | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 |
| S(3) | Nominal (Standard Dimension) | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 14 | 17 | 17 | 19 |
| Maximum (Column 1) | 2.56 | 3.071 | 4.034 | 5.084 | 6.095 | 8.115 | 10.115 | 12.142 | 14.142 | 14.142 | 17.23 | 17.23 | 19.275 | |
| Maximum (Column 2) | 2.58 | 3.080 | 4.095 | 5.140 | 6.140 | 8.175 | 10.175 | 12.212 | 14.212 | 14.212 | ||||
| t | Minimum | 1.3 | 02 | 2.5 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| V | Maximum | 0.3 | 0.4 | 0.5 | 0.6 | 0.8 | 1.0 | 1.2 | 1.4 | 1.6 | 1.8 | 2 | 2.2 | 2.4 |
| Full Thread Range | 20 | 25 | 25 | 30 | 35 | 40 | 50 | 55 | 60 | 60 | 70 | 70 | 80 | |
- Maximum when no knurling is applied.
- Maximum when knurling is applied (if unspecified, knurling is applied).
- Column 1: Applicable to strength class 12.9. Column 2: Applicable to strength class 10.9 or lower, as well as stainless steel.
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