SUNCO
21-0006 (+) Tapping B1 Small Flat
Model: 21-0006
Dia range:M3.5～M4
Length range:8～30
Iron (or standard), Stainless steel (303, 304,…).
Plain, Zinc blue cr6+, Zinc yellow cr6+, Trivalent zinc cr+3 color white,…
| Nominal Diameter | 3.5 | 4 | |
|---|---|---|---|
| dk | Standard Dimension | 6 | 6 |
| Tolerance | 0 -0.5 | 0 -0.5 | |
| k | Standard Dimension | 1.5 | 1.4 |
| Tolerance | 0 -0.3 | 0 -0.3 | |
| Cross Slot Number | 2 | 2 | |
| C | 0.25 | 0.25 | |
