From here I present the {5/16 self tapping screw}, designed for quick, clean assembly in metal and thick plastics. As a supplier to {Wholesale} and {Manufacturers}, I know how important fast delivery, consistent torque, and corrosion resistance are. Our screw features a sharp thread-cutting tip that creates its own hole in sheet metal and wood, cutting installation time in half without pre-drilling. The 5/16 size provides strong grip for medium-duty applications, with a durable zinc plating to resist rust in indoor/outdoor projects. Available in Phillips and hex drive options, I can meet large orders and custom batch sizes. This is ideal for equipment enclosures, HVAC, electrical panels, and manufacturing line fixtures. If you need a steady supply chain, I can quote bulk prices and handle private labeling for manufacturers. Contact me for samples, lead times, and bulk fulfillment—because your assembly line deserves a fast, reliable fastener that sticks.
5/16 self-tapping screws offer a practical balance of holding power and installation speed, ideal for thin metals and plastics. By forming their own threads as they are driven, they eliminate the need for pre-drilled holes and nuts, streamline assembly on electronics enclosures and chassis. The 5/16 diameter provides solid shear strength while remaining efficient for compact designs, with a range of head styles (pan, flange) and drives (Phillips, Torx) to fit diverse lines. Paired with corrosion-resistant finishes, they stay reliable in challenging environments, keeping you ahead of the curve in fastener performance. Global sourcing hinges on consistency as much as price. Look for tight tolerances, compatible thread forms, and supply that scales from prototype to high-volume production. Quality checks—torque tests, pull-out tests, and surface inspection—prevent field issues, while RoHS/REACH declarations support risk management. Packaging and lead times should align with project timelines, and batch traceability reduces audit overhead. Best partners offer flexible packaging, stable supply, and guidance to optimize fastener choices across materials and climates.
| Spec_ID | Description | Material | Finish | Diameter_in | Thread_Size | Length_in | Head_Type | Drive_Type | Tensile_Strength_Ksi | Hardness_HRC | Applications |
|---|---|---|---|---|---|---|---|---|---|---|---|
| S5_16_18_304_0.50 | 5/16-18 Self-Tapping Screw for Metal Sheet | 304 Stainless Steel (A2-70) | Satin | 0.3125 | 5/16-18 UNC | 0.50 | Pan | Phillips #2 | 75 | 28 | Exterior metalwork, corrosion-resistant assemblies |
| S5_16_18_Zn_0.75 | 5/16-18 Self-Tapping Screw for Sheet Metal | Carbon Steel, Zinc Plated | Zinc Plated | 0.3125 | 5/16-18 UNC | 0.75 | Pan | Phillips #2 | 85 | 25 | Industrial enclosures, appliance frames |
| S5_16_18_Zn_1.00 | 5/16-18 Self-Tapping Screw for Sheet Metal | Carbon Steel, Zinc Plated | Zinc Plated | 0.3125 | 5/16-18 UNC | 1.00 | Pan | Phillips #2 | 85 | 25 | Interior metal assemblies |
| S5_16_18_BlOx_1.50 | 5/16-18 Self-Tapping Screw with Black Oxide | Carbon Steel, Black Oxide | Black Oxide | 0.3125 | 5/16-18 UNC | 1.50 | Pan | Phillips #2 | 70 | 23 | General purpose interior metalwork |
| S5_16_18_SS304_2.00 | 5/16-18 Self-Tapping Screw for Stainless Steel | 304 Stainless Steel (A2-70) | Passivated Satin | 0.3125 | 5/16-18 UNC | 2.00 | Pan | Phillips #2 | 75 | 28 | Exterior marine-grade assemblies |