I’m a factory-backed manufacturer offering Thread Locking Shoulder Screw solutions tailored for high-vibration fixtures. This screw combines a precise shoulder for alignment with a built-in locking feature that prevents loosening under load. The result is repeatable positioning and extended service life in machinery, automotive, robotics, and medical devices. We supply in standard DIN/ISO sizes and can customize material (stainless steel 304/316, alloy steel), finish (zinc, black oxide, passivation), shoulder length, and thread size. With ODM capabilities, I work with you to create CAD drawings and 3D models, so your product can go straight to production. Being a Factory-direct supplier, I offer competitive pricing, tight lead times, and tested performance. All parts go through strict QC to ensure torque, strength, and corrosion resistance. If you need reliable locking, easy assembly, and scalable supply, I’m the partner who can deliver on schedule.
Global buyers demand fasteners with precise fit and reliable locking across diverse conditions. Thread locking shoulder screws deliver controlled alignment and resistance to loosening when engineered for the application. This service goes beyond off-the-shelf parts, offering design guidance, material options (stainless or alloy steel with protective coatings), heat treatment, and tight tolerances for shoulder diameter, length, and thread pitch. Pre-applied locking compounds or integrated locking features streamline assembly and reduce dynamic-load loosening, yielding predictable performance in electronics, machinery, and industrial equipment. For global procurement, the solution combines proactive engineering support, scalable production, and strict quality assurance. We enable international standard alignment, full traceability, RoHS/REACH compliance, and flexible packaging and lead times. Custom options include shoulder height, diameter, thread pitch, corrosion-resistant finishes, and controlled pre-application of locking agents. Clients benefit from rapid quotes, fast prototyping, and ramped production with on-time delivery, while enjoying lower total cost of ownership through fewer assembly steps, fewer warranty issues, and resilient supply continuity in a volatile market.
| SKU | Thread Type | Thread Size | Shoulder Ø (mm) | Shoulder Length (mm) | Material | Surface Finish | Hardness (HRC) | Coating / Plating | Tolerance (mm) | Lead Time (days) | Application |
|---|---|---|---|---|---|---|---|---|---|---|---|
| THS-1001 | Metric coarse | M5 x 0.80 | 6.0 | 8.5 | A2 Stainless Steel | Satin | 45 | Passivated | ±0.05 | 5 | Light-duty guide and alignment |
| THS-1002 | Metric fine | M6 x 1.00 | 8.0 | 12.0 | A2 Stainless Steel | Polished | 46 | None | ±0.04 | 6 | Precision assembly for CNC jigs |
| THS-1003 | Imperial | 1/4"-20 | 9.5 | 15.0 | Alloy Steel 4140 | Black Oxide | 49 | Black oxide | ±0.05 | 7 | Heavy-duty alignment in automation |
| THS-1004 | Metric coarse | M8 x 1.25 | 10.0 | 14.0 | 316 Stainless Steel | Satin | 42 | Passivated | ±0.05 | 4 | Elastic element mounting in robotics |
| THS-1005 | Imperial coarse | 5/16"-18 | 12.0 | 18.0 | Stainless Steel 304 | Bright | 48 | None | ±0.06 | 8 | Frame assembly for conveyors |
| THS-1006 | Metric coarse | M4 x 0.7 | 5.0 | 6.0 | Alloy steel (low carbon) | Zinc-plated | 33 | Zinc plated | ±0.05 | 3 | Compact assemblies in consumer electronics |