21-0000 (+) Tapping Type B1 Pan Head
Model: 21-0000
Dia range:M2～M6
Length range:3～70
Iron (or standard), SUS410, Stainless steel (303, 304,…), Titanium (Ti), SUS316L.
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 | 3.5 | 4.0 | 4.5 | 4.5 | 5.5 | 6.0 | 7.0 | 8.0 | 9.0 | 10.5 | |
| Tolerance | 0 -0.4 | 0 -0.5 | 0 -0.6 | 0 -0.7 | ||||||||
| k | Standard Dimension | 1.3 | 1.5 | 1.7 | 1.7 | 2.0 | 2.3 | 2.6 | 2.9 | 3.3 | 3.9 | |
| Tolerance | ±0.1 | ±0.15 | ±0.2 | |||||||||
| Cross Slot | m | Reference | 2.2 | 2.4 | 2.6 | 2.6 | 3.6 | 3.9 | 4.2 | 4.6 | 4.9 | 6.3 |
| Q | Maximum | 1.01 | 1.21 | 1.42 | 1.42 | 1.43 | 1.73 | 2.03 | 2.43 | 2.73 | 2.86 | |
| Minimum | 0.60 | 0.80 | 1.00 | 1.00 | 0.86 | 1.15 | 1.45 | 1.84 | 2.14 | 2.26 | ||
| 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 | ||
