We are your trusted partner for Aluminum Socket Head Cap Screw, crafted for Wholesale and Manufacturers who need durable, lightweight fasteners. Our screws combine corrosion resistant aluminum alloy with a precise hex socket head, delivering reliable torque and easy installation. We offer tight tolerances, consistent thread profiles, and options like anodized or clear finishes to fit your equipment. These screws are ideal for aerospace, automation, and general machinery where weight saving matters. With fast lead times and scalable bulk packaging, we can help you secure steady supply for large projects and long-term procurement. We keep competitive prices without sacrificing quality, and can accommodate OEM specs, custom lengths, and finish requests. If you looking for a dependable source, reach out for samples or a wholesale quote today. You can count on us to support manufacturers' production lines and ongoing needs.
Aluminum socket head cap screws offer light weight with dependable strength for compact, high‑performance assemblies. Advances in alloy chemistry, precision forging, and heat treatment deliver stable clamp force with minimal variation. Anodized finishes boost corrosion resistance and durability, while tight tolerances ensure repeatable torque and long service life in electronics, automotive, machinery, and consumer devices. As designs move toward lighter, smarter products, these fasteners enable rapid prototyping and scalable production. Behind the product, an expertise‑driven service ecosystem supports global buyers. From material selection and custom geometries to rigorous QA, traceability, and reliable logistics, the promise is consistent quality and on‑time delivery. Technical support, failure analysis, and compliant, sustainable solutions empower customers to deploy across multi‑site ecosystems with confidence in evolving markets.
| Size | Diameter (D) mm | Thread | Length (L) mm | Material | Alloy | Finish | Hardness (HV) | Tensile Strength (MPa) | Shear Strength (MPa) | Standard | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M3 x 6 | 3 | M3x0.5 | 6 | Aluminum | 6061-T6 | Anodized (Type II, Clear) | 95-100 | 310-340 | 180 | ISO 4762 / ISO metric | Light-duty fastener, general purpose |
| M4 x 8 | 4 | M4x0.7 | 8 | Aluminum | 6061-T6 | Anodized (Type II, Clear) | 98 | 320-340 | 185 | ISO 4762 / ISO metric | General purpose structural fastener |
| M5 x 10 | 5 | M5x0.8 | 10 | Aluminum | 7075-T6 | Anodized (Type II, Clear) | 150-160 | 520-570 | 290-320 | ISO 4762 / ISO metric | High-strength applications |
| M6 x 12 | 6 | M6x1.0 | 12 | Aluminum | 7075-T6 | Anodized (Type II, Black) | 150-160 | 510-570 | 300-320 | ISO 4762 / ISO metric | High-load performance with corrosion resistance |
| M8 x 16 | 8 | M8x1.25 | 16 | Aluminum | 6061-T6 | Anodized (Type II, Clear) | 95-100 | 310-340 | 180 | ISO 4762 / ISO metric | Standard industrial grade |
| M10 x 20 | 10 | M10x1.5 | 20 | Aluminum | 6061-T6 | Anodized (Type II, Clear) | 95-100 | 310-340 | 180 | ISO 4762 / ISO metric | Moderate to high-load applications |