We stock and customize 50mm self-tapping screws Phillips for fast, secure assembly in metal and plastic. I work directly with Custom orders and Factories to tailor length, thread, coating, head style, and packaging to your production line. These screws deliver strong torque, reliable grip, and excellent pull-out resistance, with zinc or black oxide finishes for corrosion protection. I can arrange strict QA, certificates, and short lead times, plus private labeling or bulk packaging for scale builds. Our network of factories ensures consistent quality across batches, with ISO-compliant processes and traceable materials. If you’re redesigning equipment or expanding capacity, I’ll align stock levels with your demand and offer competitive pricing, dropship, or scheduled replenishment. We value long-term partnerships, easy reordering, and responsive tech support. Want samples or a customized quote? I’m ready to discuss your specs and MOQ to fit your factories and operations.
50mm self-tapping screws with a Phillips drive suit enclosures, panels and lightweight frames. From concept to final part, success begins with a precise brief: substrate, torque, and environment. Material choice and coating determine strength and corrosion resistance, while thread form and flute geometry affect bite and drive comfort. Early prototypes confirm fit, pilot hole guidance, and compatibility with the target material, ensuring the 50mm length engages correctly without protrusion or looseness. To deliver worldwide, a disciplined manufacturing and QA system is essential. Thread rolling creates strong self-taps, followed by finishing and coating that meet mechanical and corrosion specs. A transparent quality plan with dimensional checks, hardness tests, and traceability ensures consistency. Clear lead times, scalable quantities, and reliable packaging support smooth global logistics and reduce risk from order to shipment.
| Attribute | Variant A | Variant B | Variant C | Notes |
|---|---|---|---|---|
| Screw length | 50 | 50 | 50 | All variants have 50 mm length |
| Nominal diameter | M4 | M4 | M5 | M4 for light-duty, M5 for heavier assemblies |
| Thread pitch (mm) | 0.70 | 0.70 | 0.80 | Coarse thread typical for self-tapping screws |
| Drive type | Phillips PH2 | Phillips PH2 | Phillips PH2 | Cross recessed drive standard |
| Head style | Pan head | Pan head | Pan head | Bottom bearing surface suitable for flush mounting |
| Material | Carbon steel | Stainless steel A2-70 | Carbon steel | Material affects corrosion resistance and strength |
| Finish/Coating | Zinc electroplated (HDG) - yellow | None (stainless steel) | Zinc-nickel | Coating improves corrosion resistance; stainless is inherently corrosion resistant |
| Typical applications | General automotive enclosures | Household appliances and enclosures | Machinery enclosures and panels | Application context helps selection |
| RoHS compliance | RoHS compliant | RoHS compliant | RoHS compliant | Lead-free and restricted substances |