I know precision matters in every assembly, so I offer hollow set screws that meet strict tolerances. From stainless steel to alloy and brass options, we provide high-strength choices with corrosion resistance. Our hollow set screws are ideal for securing components in limited access spaces, with a central hollow to accommodate pins or wires. They are available in standard thread sizes and head types, so compatibility is easy for OEMs and machine builders. If you are price-conscious, we offer Cheap options with reliable performance, and we can share a competitive Pricelist for bulk orders. Bulk orders gets you the best prices. I’m ready to tailor the quote to your production needs—short lead times, consistent quality, and scalable supply. Reach out and I’ll guide you through material, finish, and size selections to fit your application.
Across manufacturing, hollow set screws are trending beyond basic fasteners, becoming partners in precision assembly. Buyers seek not only reliable supply but collaboration that reduces risk, shortens lead times, and supports design flexibility. Hollow screws offer lightweight clamping with internal passages for lubrication or drainage, ideal for compact machines, gearboxes, and electronics housings. A true partner delivers consistent quality through certified processes, material traceability, and scalable production that adapts to demand while keeping competitive pricing and clear lead times for diverse markets. From sourcing to shop floor, the right partner aligns engineering insight with procurement rigor. Look for strict QC, process certifications, and the ability to customize materials, finishes, and dimensions. Transparent logistics, accurate documentation, and responsive sample programs accelerate development and reduce risk. In a global supply chain, a trusted collaborator also supports sustainable practices and compliance with international standards, ensuring every hollow set screw fits and endures across applications. Choose a partner who treats your schedule as a commitment, not a guess.
| Size | Thread | Bore (mm) | Length (mm) | Material | Finish | Drive Type | Applications |
|---|---|---|---|---|---|---|---|
| M2 x 0.4 | M2 x 0.4 | 0.8 | 6 | Stainless Steel 304 | Zinc Plated | Hex Socket | Precision sliders and micro-assembly |
| M3 x 0.5 | M3 x 0.5 | 1.2 | 8 | Stainless Steel 304 | Passivated | Hex Socket | Robotics actuators |
| M4 x 0.7 | M4 x 0.7 | 1.6 | 12 | Alloy Steel 4140 | Black Oxide | Hex Socket | CNC fixtures |
| M5 x 0.8 | M5 x 0.8 | 2.0 | 16 | Stainless 316 | Passivated | Hex Socket | Marine equipment |
| M6 x 1.0 | M6 x 1.0 | 2.4 | 20 | Stainless 304 | Zinc Plated | Hex Socket | General machinery |
| 8-32 UNC | 8-32 UNC | 2.5 | 25 | Stainless Steel 410 | Satin | Hex Socket | Automotive fixtures |
| 10-24 UNC | 10-24 UNC | 3.0 | 30 | Stainless Steel 304 | Zinc Plated | Hex Socket | Small equipment |
| M8 x 1.25 | M8 x 1.25 | 4.0 | 28 | Alloy Steel | Black Oxide | Hex Socket | Heavy machinery |
| M12 x 1.75 | M12 x 1.75 | 4.5 | 50 | Stainless 316 | Polished | Hex Socket | Industrial equipment |
| M2.5 x 0.45 | M2.5 x 0.45 | 1.0 | 7 | Stainless 17-4 PH | Passivated | Hex Socket | Precision optics |