20-0001 (+) Tapping Type A Flat Head
Model: 20-0001
Dia range:M2～M8
Length range:4～150
Iron (or standard), Stainless steel (303, 304,…), SUS316L, SUS410,…
Plain, Zinc blue cr6+, Zinc yellow cr6+, Trivalent zinc cr+3 color white,…
| Nominal Diameter | 2 | 2.3 | 2.5 | 2.6 | 3 | 3.5 | 4 | 4.5 | 5 | 6 | 8 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dk | Standard Dimension | 4.0 | 4.6 | 5.0 | 5.2 | 6.0 | 7.0 | 8.0 | 9.0 | 10.0 | 12.0 | 16.0 | |
| Tolerance | 0 -0.4 | 0 -0.5 | 0 -0.6 | 0 -0.7 | 0 -0.8 | ||||||||
| k | Standard Dimension | 1.20 | 1.35 | 1.45 | 1.50 | 1.75 | 2.00 | 2.30 | 2.55 | 2.80 | 3.40 | 4.40 | |
| Tolerance | 0 -0.2 | 0 -0.3 | 0 -0.4 | ||||||||||
| Cross Slot | m | Maximum | 2.2 | 2.4 | 2.6 | 2.6 | 3.6 | 4.1 | 4.5 | 4.9 | 5.1 | 6.7 | 8.4 |
| Q | Maximum | 1.01 | 1.21 | 1.42 | 1.42 | 1.43 | 1.93 | 2.33 | 2.73 | 2.93 | 3.26 | 4.96 | |
| Minimum | 0.65 | 0.85 | 1.05 | 1.05 | 0.91 | 1.40 | 1.79 | 2.19 | 2.38 | 2.70 | 4.36 | ||
| Cross Slot Number | 1 | 2 | 3 Note 1 | ||||||||||
| d | Maximum | 2.1 | 2.4 | 2.6 | 2.7 | 3.1 | 3.65 | 4.15 | 4.65 | 5.2 | 6.2 | 8.2 | |
| Minimum | 2 | 2.3 | 2.5 | 2.6 | 3 | 3.5 | 4 | 4.5 | 5 | 6 | 8 | ||
| Threads per 25.4mm | 32 | 32 | 28 | 28 | 24 | 18 | 16 | 14 | 12 | 10 | 9 | ||
Note 1: The cross slot number for 8mm stainless steel is #4.
