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Standard Metric Type – Cold Formed
| Dimensions | M4 On request |
M5 On request |
M6 | M8 | M10 | M12 | |||||||
| Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | ||
| Head | e | 21.0 | 24.0 | 21.0 | 24.0 | 26.0 | 29.0 | 29.5 | 32.5 | 35.0 | 38.0 | 46.5 | 49.5 |
| h | 9.5 | 11.5 | 9.5 | 11.5 | 12.0 | 14.0 | 13.8 | 15.8 | 16.5 | 18.5 | 21.0 | 24.0 | |
| D | 9.0 | 10.0 | 9.0 | 10.0 | 11.4 | 12.4 | 13.0 | 14.0 | 14.6 | 16.0 | 19.6 | 21.4 | |
| m | 3.8 | 4.2 | 3.8 | 4.2 | 4.6 | 5.2 | 5.1 | 5.7 | 5.9 | 6.7 | 7.4 | 8.4 | |
| A | 7.0 | 8.0 | 10.5 | 12.0 | 14.0 | 18.0 | |||||||
| Shank | L | 10.0 | 40.0 | 10.0 | 50.0 | 10.0 | 60.0 | 10.0 | 80.0 | 15.0 | 80.0 | 15.0 | 80.0 |
Standard Inch Type – Cold Formed
| Dimensions | 8-32 On request |
10-24 On request |
1/4 | 5/16 | 3/8 | 1/2 | |||||||
| Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | ||
| Head | e | 0.82 | 0.95 | 0.82 | 0.95 | 1.02 | 1.14 | 1.16 | 1.28 | 1.37 | 1.49 | 1.83 | 1.83 |
| h | 0.37 | 0.45 | 0.37 | 0.45 | 0.47 | 0.55 | 0.54 | 0.62 | 0.65 | 0.73 | 0.82 | 0.95 | |
| D | 0.35 | 0.39 | 0.35 | 0.39 | 0.44 | 0.49 | 0.51 | 0.55 | 0.57 | 0.63 | 0.77 | 0.84 | |
| m | 0.15 | 0.17 | 0.15 | 0.17 | 0.18 | 0.21 | 0.20 | 0.22 | 0.23 | 0.26 | 0.29 | 0.33 | |
| A | 0.27 | 0.31 | 0.41 | 0.47 | 0.55 | 0.70 | |||||||
| Shank | L | 3/8″ | 1″½ | 3/8″ | 1″½ | 3/8″ | 2″ | 1/2″ | 3″ | 1/2″ | 3″ | 5/8″ | 3″ |
Materials
Steel (Fe) – Brass (OT 63) – Stainless Steel AISI 304 (A2) – Stainless Steel AISI 316 (A4)
Tolerances
Metric Thread class 6G
| Lenght L | ≤ 30 mm | > 30 mm ≤ 80 mm | > 80 mm |
| ± 0.8 mm | ± 1.5 mm | ± 1.75 mm |
UNC-UNF Thread class 2A
| Lenght L | ≤ 1″¼ | > 1″¼ ≤ 3″ | > 3″ |
| ± 0.03 | ± 0.06 | ± 0.07 |
Thread
On request: partial threading, lengths out of list, thread UNC, UNF, BSW.
Dimensions
Unquoted parts in this document are not binding. Gamma Officine Meccaniche S.p.A. reserves the possibility to change, modify or eliminate products or dimensions without prior notice.
