SUNCO
40-B101 # 0-1 (+) B Type Flat Head
Model: 40-B101
Dia range:M1.7～M2
Length range:2.5～10
Iron (or standard), Stainless steel (303, 304,…).
Plain, Trivalent zinc cr+3 color white, Trivalent zinc cr+3 color black,…
| B type | Pitch | External thread diameter C | External thread diameter D | ||
|---|---|---|---|---|---|
| Max | Min | Max | Min | ||
| 1.4 | 0.45 | 1.43 | 1.37 | 1.37 | 1.31 |
| 1.6 | 0.50 | 1.63 | 1.57 | 1.56 | 1.50 |
| 1.7 | 0.50 | 1.73 | 1.67 | 1.66 | 1.60 |
| 2.0 | 0.60 | 2.04 | 1.96 | 1.96 | 1.88 |
| 2.3 | 0.80 | 2.33 | 2.25 | 2.25 | 2.17 |
| 2.5 | 0.90 | 2.54 | 2.46 | 2.45 | 2.37 |
| 2.6 | 0.90 | 2.63 | 2.55 | 2.54 | 2.46 |
| Head outer diameter | Tolerance | Head height H | Tolerance | Cross recess width M dimension Reference value | Cross recess depth Q dimension | ||
|---|---|---|---|---|---|---|---|
| Max | Min | ||||||
| 1.4 | 2.00 | +0.05 -0.1 | 0.45 | +0 -0.05 | 1.55 | 0.74 | 0.51 |
| 1.6 | 2.40 | +0 -0.14 | 0.50 | +0 -0.05 | 1.65 | 0.84 | 0.56 |
| 1.7 | 2.50 | +0.05 -0.1 | 0.50 | +0 -0.05 | 1.70 | 0.89 | 0.61 |
| 2.0 | 3.00 | +0.05 -0.2 | 0.60 | +0 -0.08 | 2.00 | 1.21 | 0.91 |
| 2.3 | 3.50 | +0.05 -0.2 | 0.70 | +0 -0.08 | 2.20 | 1.41 | 106 |
| 2.5 | 3.80 | +0 -0.25 | 0.80 | +0 -0.08 | 2.20 | 1.41 | 1.06 |
| 2.6 | 4.00 | +0.05 -0.2 | 0.80 | +0 -0.08 | 2.20 | 1.41 | 1.06 |
