塑料螺钉
STP33 2.0×4.5 – H1
钢，硬化镀
锌镍最小 5μm，钝化黑色/无六价铬，烘烤，密封
类似于 WN1413 / WN1443 / WN5454 / KN1033
| Item Number | STP330200045B | |
| Standard | STP33 | |
| Material | steel, hardened | |
| Surface | Zinc-Nickel-plated min. 5µm, passivated black/ Cr-VI-free, baked, sealed | |
| Thread Outside-Ø | d1 | 2.00+0.08 mm |
| Thread Core-Ø | d2 | 1.36 mm |
| Thread Pitch | p | 0.78 mm |
| Length | L | 4.50±0.38 mm |
| Head-Ø | D | 4.00-0.25 mm |
| Cylindrical Head Height | C | 0.35 mm |
| Thread Run-Out | X | 1.00 mm |
| Radius | R | 0.80 mm |
| Size Cross Recess | H1 | |
| Penetration Depth | t | 0.95 – 1.25 mm |
| Thread | STS-plus | |
| Weight | 0.107 kg / 1000 pieces | |