SUNCO
21-3020 (+-) Tapping BP G=30 Pan

Model: 21-3020
Stainless steel (303, 304,…).
Plain, GB (brown bronze), BK (SUS black oxide).

| Nominal Diameter | 4 | 4.5 | |
|---|---|---|---|
| dk | Standard Dimension | 7.0 | 8.0 |
| Tolerance | 0 -0.5 | 0 -0.6 | |
| k | Standard Dimension | 2.6 | 2.9 |
| Tolerance | ±0.15 | ||
| m | Reference | 4.2 | 4.6 |
| Cross Slot Number | 2 | ||
| n (Width) | 1.00 | ||
| t (Depth) | 1.40 | 1.60 | |
| Guide Part G | Approx. 30 | ||
| d | Max | 4.0 | 4.5 |
| Min | 3.85 | 4.35 | |
| Threads per 25.4mm | 18 | 16 | |











