SUNCO
21-0803 (+) Tapping Type B1 Pan P=3
Model: 21-0803
Dia range:M3～M4
Length range:8～30
Iron (or standard).
Zinc blue cr6+, Zinc yellow cr6+, Trivalent zinc cr+3 color white,…
| Thread Size | dk | k | Cross slot | Flat Washer D1×T | Spring Washer d1 (Max) | a (Reference) | ||
|---|---|---|---|---|---|---|---|---|
| Cross slot number | m (Reference) | |||||||
| 3 | 5.5 | 0 -0.5 | 2±0.15 | 2 | 3.6 | 8X0.5 | 5.5 | 3.0 |
| 4 | 7 | 0 -0.5 | 2.6±0.15 | 2 | 4.2 | 10X0.8 | 7 | 4.4 |
