I’m your go-to partner for high-quality fasteners, offering self-tapping screws 4.2x13 that meet demanding OEM specifications. From an end-user perspective, I know lead times matter, so I maintain strict stock levels and a transparent production schedule to keep your line running. My focus is on reliable performance for metal assemblies, with precise thread engagement and easy driving. I supply to OEMs and Suppliers worldwide, with consistent lot tracing, standard packaging, and flexible MOQs. Each batch is tested for dimensions, hardness, and coating adhesion to minimize rework. Whether you need zinc-coated for corrosion resistance or a stainless option, I can tailor the finish and head style to your application. I’m here to streamline your procurement, reduce vendor risk, and help your engineering team move faster.
Self-tapping screws sized 4.2x13 offer a quick, reliable fastening solution for electronics enclosures, automotive panels, and consumer devices. The 4.2 mm diameter and 13 mm length strike a balance between strong bite and a compact form, enabling pre-tapless assembly in thin metals and plastics. This profile supports multiple drive types, head styles, and coatings, from zinc plating to corrosion-resistant finishes, catering to a wide range of environments. When design teams require customization, a Guangdong-based fastener manufacturer can tailor thread forms, drill points, drive recesses, and coatings, delivering pilot runs from prototypes to mass production with tight tolerances and consistent batch-to-batch quality. The result is a fastening solution that simplifies assembly lines and reduces total product costs, while maintaining durability under daily wear. Global buyers evaluating supplier capabilities should look for clear documentation: material certificates, coating specs, and test reports; scalable production capacity; flexible MOQs and lead times; responsive engineering support; and robust quality control including first article inspection and statistical process control. Packaging options that reduce transit damage and optimize freight also matter. With rapid prototyping and a wide standard library plus custom options, this size becomes a dominating choice for custom solutions across electronics, lighting, automotive interiors, and consumer goods. Seek a partner that can synchronize design feedback, sample approvals, and full-scale production to ensure on-time delivery and long-term reliability.
| Variant | Dimension (mm) | Material | Coating | Head Type | Drive Type | Thread Pitch (mm) | Tensile Strength (MPa) | Shear Strength (MPa) | Typical Applications |
|---|---|---|---|---|---|---|---|---|---|
| A | 4.2 x 13 | AISI 1018 Carbon Steel | HDG Zinc Plated | Pan Head | Phillips #2 | 0.80 | 520 | 320 | General interior assemblies, electronics housings |
| B | 4.2 x 13 | AISI 304 Stainless Steel | None, Polished | Countersunk (Flat) | Torx T15 | 1.00 | 515 | 260 | Exposed external panels in damp environments |
| C | 4.2 x 13 | AISI 304 / A2-70 Stainless | Electropolished | Round Head | Phillips #1 | 0.90 | 520 | 270 | Automotive interior trim |
| D | 4.2 x 13 | Carbon Steel (1018 / 1215) | Black Oxide | Hex Washer | Torx T25 | 1.00 | 450 | 280 | Concealed hardware, metal-to-metal joints |
| E | 4.2 x 13 | Alloy Steel | Zinc-Nickel Plating | Flange Head | Torx T20 | 1.20 | 870 | 420 | Appliance enclosures, heavy-duty assemblies |
| F | 4.2 x 13 | Aluminum 6061-T6 | Anodized | Countersunk | Phillips #2 | 1.00 | 310 | 110 | Lightweight metal assemblies |