SUNCO
40-B301 # 0-3 (+) B Type Flat Head
Model: 40-B301
Dia range:M1.4～M2
Length range:3～8
Iron (or standard).
Trivalent zinc cr+3 color white, Trivalent zinc cr+3 color black, Nickel, Chrome, Zinc black.
| B Type | Pitch | Thread Outer Diameter C | Thread Outer 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 |
#0-3 Countersunk Head Standard)
| Outer Diameter | Head Outer Diameter | Tolerance | Head Height Max | Tolerance | Cross Recess Width Reference Value | Cross Recess Depth | |
|---|---|---|---|---|---|---|---|
| MAX | MIN | ||||||
| 1.4 | 2.50 | +0.05 -0.1 | 0.70 | +0 -0.05 | 1.65 | 0.84 | 0.56 |
| 1.6 | 2.80 | +0 -0.14 | 0.80 | +0 -0.05 | 1.80 | 1.00 | 0.71 |
| 1.7 | 3.00 | +0.05 -0.1 | 0.80 | +0 -0.05 | 1.90 | 1.10 | 0.81 |
| 2.0 | 3.50 | +0.05 -0.2 | 0.90 | +0 -0.08 | 2.10 | 1.31 | 1.01 |
