21-0002 (+) Tapping Type B1 Oval
Model: 21-0002
Dia range:M2.6～M5
Length range:6～40
Iron (or standard), Stainless steel (303, 304,…).
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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dk | Standard Dimension | 4.0 | 4.6 | 5.0 | 5.2 | 6.0 | 7.0 | 8.0 | 9.0 | 10.0 | 12.0 | |
| Tolerance | 0 -0.4 | 0 -0.5 | 0 -0.6 | 0 -0.7 | ||||||||
| k+f | Standard Dimension | 1.60 | 1.85 | 2.00 | 2.10 | 2.45 | 2.80 | 3.20 | 3.55 | 4.00 | 4.80 | |
| Tolerance | 0 -0.4 | 0 -0.5 | 0 -0.6 | |||||||||
| Cross Slot | m | Reference | 2.4 | 2.7 | 2.9 | 2.9 | 3.8 | 4.3 | 4.7 | 5.1 | 5.3 | 6.9 |
| Q | Maximum | 1.21 | 1.52 | 1.72 | 1.72 | 1.63 | 2.13 | 2.53 | 2.93 | 3.13 | 3.46 | |
| Minimum | 0.85 | 1.14 | 1.34 | 1.34 | 1.11 | 1.60 | 1.99 | 2.38 | 2.58 | 2.90 | ||
| Cross Slot Number | 1 | 2 | 3 | |||||||||
| d | Maximum | 2.00 | 2.30 | 2.50 | 2.60 | 3.00 | 3.50 | 4.00 | 4.50 | 5.00 | 6.00 | |
| Minimum | 1.90 | 2.20 | 2.40 | 2.50 | 2.90 | 3.40 | 3.85 | 4.35 | 4.85 | 5.85 | ||
| Number of threads per 25.4 mm | 40 | 32 | 28 | 28 | 24 | 20 | 18 | 16 | 16 | 14 | ||
