I’m your partner for hollow-lock set screws, built to deliver secure clamping in tight spaces. I offer sizes from M3 to M12 and imperial equivalents, with options in stainless steel, alloy steel, and coated finishes. These hollow-lock set screws feature a precise socket drive and a hollow body that reduces weight while preserving grip. As an Exporter, I control quality from raw material to final coating, keeping tight tolerances to prevent loosening under vibration. If you want to Buy hollow-lock set screws in bulk, you’ll get factory-direct pricing, short lead times, and flexible packaging. I provide datasheets, material certificates, and fast samples. Reliable, consistent dimensions and competitive terms make your procurement simple. Let’s discuss your batch size, finish, and delivery. Thanks for considering me as your supply partner. Contact me today and we can tailor a plan.
As manufacturing moves toward smarter, lighter assemblies in 2025, hollow-lock set screws are emerging as a secure, efficient fastening choice. The hollow core reduces weight while preserving clamp force, and precise seating enhances vibration resistance. The hollow channel provides a natural lubrication path, lowering wear and extending life in demanding applications such as automotive, robotics, and machinery. Compatible with ISO, DIN, and JIS threads and available in various materials and coatings, these screws offer flexible integration across global supply chains. For global buyers, success hinges on material options (stainless and alloy steels, coatings), tolerances, and drive types (hex socket or internal). Consider environment, load cycles, traceability, batch testing, and compliance with international standards. Ensure scalable quantities, realistic lead times, and robust packaging, plus clear documentation of material, heat treatment, and coating details. With the right specs and resilient sourcing, hollow-lock set screws deliver reliable performance and lifecycle value through 2025 and beyond.
| Size (mm) | Thread | Hole Dia (mm) | Material | Hardness (HRC) | Finish | Head Style | Length (mm) | Application Notes |
|---|---|---|---|---|---|---|---|---|
| M3 | M3x0.5 | 0.9 | Stainless Steel A2-70 | 18-28 | Satin Nickel Plated | Socket Cup Point (Hollow) | 6 | Fine-diameter alignment in electronics and small assemblies |
| M4 | M4x0.7 | 1.1 | Carbon Steel 1018 | 32-45 | Black Oxide | Hex Socket Hollow | 8 | General purpose locking in medium loads |
| M5 | M5x0.8 | 1.6 | Alloy Steel 4140 | 42-50 | Zinc Plated | Cup Point Socket | 10 | Medium-duty positioning and locking |
| M6 | M6x1.0 | 2.0 | Stainless Steel A4-80 (316) | 40-50 | Passivated | Socket Cup Hollow | 12 | High corrosion resistance and strength |
| M8 | M8x1.25 | 3.2 | Alloy Steel 42CrMo4 | 48-58 | Black Oxide | Grub Socket Hollow | 16 | Heavy-duty locking in industrial machinery |
| M10 | M10x1.5 | 4.2 | Stainless Steel 304 | 32-40 | Nickel Plated | Grub Socket Hollow | 20 | Heavy-duty high-load applications |