Stainless Steel and MS (Carbon Steel) Set Screws are precision fasteners designed to securely fix one component within or against another, typically without a protruding head. Commonly used to lock gears, pulleys, collars, bearings, and shafts in position, set screws provide strong holding power while maintaining a compact, clean assembly.
As a professional fastener manufacturer, JLHY Fasteners supplies a full range of metric and inch set screws in stainless steel and carbon steel materials, manufactured to ISO, DIN, and ANSI standards. Our set screws are widely used in industrial machinery, automation equipment, automotive assemblies, and precision mechanical systems.
Recommended thread engagement ≥ 1 × diameter
Use cup point for vibration resistance
Use dog point for repeated repositioning
Use cone point for permanent locking
Torque values available upon request
| JLHY Advantages | What It Means for B2B Buyers |
|---|---|
| Factory-Direct Manufacturer | Competitive pricing, stable capacity, and full control over production quality and lead time. |
| Wide Material Options | Stainless steel (304 / 316), MS / carbon steel, and alloy steel to meet different strength and corrosion requirements. |
| Full Standard Coverage | Set screws produced according to ISO, DIN (913 / 914 / 915 / 916), and ANSI standards for global compatibility. |
| OEM & Custom Capability | Support for custom sizes, special lengths, thread pitches, coatings, hardness, and drawing-based production. |
| Strict Quality Control | Incoming raw material inspection, in-process checks, and final inspection ensure consistent performance. |
| Bulk & Wholesale Supply | Optimized for high-volume orders with flexible MOQ for long-term sourcing projects. |
| Export Experience | Familiar with international shipping, packaging standards, and documentation for global B2B buyers. |
| Stable Long-Term Supply | Reliable partner for repeat orders, annual contracts, and distributor programs. |
Request a Quote for Set Screws
Whether you need stainless steel set screws for corrosion resistance or MS set screws for cost-effective strength, JLHY offers reliable solutions for industrial buyers worldwide.
📩 Contact us today for pricing, samples, or technical support. Send us your drawing or application details to receive a technical proposal.
Industrial machinery & equipment
Automation systems & robotics
Motors, gearboxes, and couplings
Automotive and transportation components
HVAC systems
Power tools and mechanical assemblies
They are ideal for applications where space is limited, alignment is critical, and vibration resistance is required.
Flush installation – no external head, compact assembly
High holding power for shafts and rotating components
Precision threads for reliable locking performance
Wide material options for indoor, outdoor, and corrosive environments
Stable quality for long-term industrial use
Our set screws are manufactured under strict quality control to ensure dimensional accuracy, surface consistency, and repeatable performance in high-volume production.
| Thread (d) | Pitch (mm) | Hex Socket (s) | Typical Lengths (mm) |
|---|---|---|---|
| M2 | 0.40 | 0.9 | 3 – 12 |
| M2.5 | 0.45 | 1.3 | 4 – 16 |
| M3 | 0.50 | 1.5 | 4 – 20 |
| M4 | 0.70 | 2.0 | 6 – 30 |
| M5 | 0.80 | 2.5 | 6 – 40 |
| M6 | 1.00 | 3.0 | 8 – 50 |
| M8 | 1.25 | 4.0 | 10 – 60 |
| M10 | 1.50 | 5.0 | 12 – 80 |
| M12 | 1.75 | 6.0 | 16 – 100 |
Custom lengths, fine threads, and special tolerances available for OEM orders.
| Thread Size | Threads Per Inch | Hex Socket | Typical Lengths (inch) |
|---|---|---|---|
| #4-40 | 40 | 1/16″ | 1/8″ – 1/2″ |
| #6-32 | 32 | 5/64″ | 1/8″ – 3/4″ |
| #8-32 | 32 | 3/32″ | 3/16″ – 1″ |
| #10-24 | 24 | 1/8″ | 1/4″ – 1-1/4″ |
| 1/4-20 | 20 | 1/8″ | 1/4″ – 1-1/2″ |
| 5/16-18 | 18 | 5/32″ | 3/8″ – 2″ |
| 3/8-16 | 16 | 3/16″ | 1/2″ – 2-1/2″ |
