21-000E (+) Tapping B1 Brazier Head
Model: 21-000E
Dia range:M3～M4
Length range:5～25
Iron (or standard).
Plain, Zinc blue cr6+, Zinc yellow cr6+, Trivalent zinc cr+3 color white,…
| Nominal Diameter | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 6 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| dk | Standard Dimension | 4.2 | 5.5 | 6.4 | 7.4 | 8.5 | 9.5 | 10.6 | 12.5 | |
| Tolerance | 0 -0.4 | 0 -0.5 | 0 -0.6 | 0 -0.7 | ||||||
| k | Standard Dimension | 1.5 | 2 | 2.45 | 2.6 | 2.7 | 3.05 | 3.4 | 4.1 | |
| Tolerance | ±0.1 | ±0.15 | ±0.2 | |||||||
| Cross Slot | m | Reference | 2.2 | 2.6 | 3.7 | 3.8 | 4.0 | 4.4 | 4.8 | 6.2 |
| Q | Maximum | 1.01 | 1.42 | 1.63 | 1.73 | 1.93 | 2.33 | 2.73 | 2.86 | |
| Minimum | 0.63 | 1.00 | 1.06 | 1.10 | 1.35 | 1.74 | 2.14 | 2.26 | ||
| Cross Slot Number | 1 | 2 | 3 | |||||||
| d | Maximum | 2.00 | 2.50 | 3.00 | 3.50 | 4.00 | 4.50 | 5.00 | 6.00 | |
| Minimum | 1.90 | 2.40 | 2.90 | 3.40 | 3.85 | 4.35 | 4.85 | 5.85 | ||
| Thread Pitch Count per 25.4mm | 40 | 28 | 24 | 20 | 18 | 16 | 16 | 14 | ||
