20-000A (+) Tapping Type A Upset
Model: 20-000A
Dia range:M3～M8
Length range:8～80
Iron (or standard), SUS410, Stainless steel (303, 304,…).
Plain, Zinc blue cr6+, Zinc yellow cr6+, Trivalent zinc cr+3 color white,…
| Nominal Diameter | 4 | 5 | 6 | 7 | 8 | ||
|---|---|---|---|---|---|---|---|
| Width Across Flats (S) | Standard Dimension | 7.0 | 8.0 | 10.0 | 12.0 | ||
| Tolerance | 0 -0.2 |
0 -0.25 |
|||||
| e | Minimum | 7.7 | 8.7 | 10.9 | 13.1 | ||
| Height (k) | Standard Dimension | 2.5 | 3.0 | 3.5 | 4.2 | 5.0 | |
| Tolerance | ±0.1 | ±0.15 | |||||
| Phillips Head | m | Reference | 4.1 | 4.5 | 6.3 | 7.3 | |
| Q | Max | 1.93 | 2.33 | 2.86 | 3.86 | ||
| Min | 1.40 | 1.80 | 2.30 | 3.20 | |||
| Phillips Head Number | 2 | 3 | |||||
| d | Max | 4.15 | 5.2 | 6.2 | 7.2 | 8.2 | |
| Min | 4 | 5 | 6 | 7 | 8 | ||
| Threads per 25.4mm | 16 | 12 | 10 | 10 | 9 | ||
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