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Shoulder Screw M4 - China Manufacturer | Premium Fasteners

I’m your reliable partner for precision hardware, offering the shoulder screw m4 that keeps assemblies aligned under load. As a China-based Manufacturer, I ship ready-to-install fasteners with tight tolerances and consistent quality. The shoulder screw m4 features a precise shoulder diameter that guides movement and a strong grip in host components, reducing play and wear. Available in stainless steel or alloy steel with corrosion resistance and heat treatment, it’s built for automation, CNC, and linear motion assemblies. Standard or custom shoulder lengths are offered to fit your design, with options for passivated or black-oxide finishes. I understand your need for fast delivery, traceability, and batch consistency; that’s why I maintain strict QA and packaging that speeds up your production line. If you’re sourcing in bulk from a trustworthy Manufacturer, you’ve come to the right place—contact me to quote your required quantity and lead time today.

Hot Selling Product

shoulder screw m4 Ahead of the Curve Factory-Direct Excellence

Embrace precision with a shoulder screw M4 designed for reliable axial alignment in tight tolerance assemblies. It offers consistent shoulder diameter and smooth bearing surfaces, with stainless steel and alloy coating options. Sourcing directly from the factory enables shorter lead times, bulk pricing, and fewer change-orders, helping projects stay on track from prototype to production. Global buyers require traceability and consistent quality. Standard specs can be supported by material certificates, dimensional reports, and finishes such as plain, black oxide, zinc plating, or passivation. In-house testing verifies dimensions, thread integrity, and corrosion resistance, while scalable production supports both small runs and high-volume demand. Flexible packaging and labeling meet regional requirements. Ahead of the curve means predictable delivery and proactive service. Clear lead times, stock visibility, and responsive support de-risk the supply chain. Whether you need rapid samples, customized shoulder dimensions, or tailored packaging, this approach delivers reliable performance for machinery, electronics, automotive, and more.

{ shoulder screw m4 Ahead of the Curve Factory-Direct Excellence}
Model Shoulder Diameter (mm) Thread Size Shoulder Length (mm) Total Length (mm) Material Finish Tensile Strength (MPa) Operating Temp (°C)
SH-M4-6 4.0 M4 x 0.70 6 10 A2-70 stainless steel Satin 520-620 -60 to 300
SH-M4-8 4.0 M4 x 0.70 8 12 A2-70 stainless steel Satin 520-620 -60 to 300
SH-M4-10 4.0 M4 x 0.70 10 14 A2-70 stainless steel Satin 520-620 -60 to 300
SH-M4-12 4.0 M4 x 0.70 12 18 A2-70 stainless steel Satin 520-620 -60 to 300
SH-M4-16 4.0 M4 x 0.70 16 22 A2-70 stainless steel Satin 520-620 -60 to 300
SH-M4-20 4.0 M4 x 0.70 20 28 A2-70 stainless steel Satin 520-620 -60 to 300

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shoulder screw m4 Stands Out Pioneers in the Field

Data Dimension: Application Sector Distribution

This chart presents a sector-based view of shoulder screw adoption for the M4 size across major industries. The data dimension used here is Application Sector Distribution, representing relative adoption intensity within each sector. The bars indicate that Automotive shows the strongest deployment, Electronics follows, then Aerospace and Machinery, with Medical and Energy trailing. Several factors help explain these patterns. Automotive and Electronics demand high-volume, repeatable fastening solutions that require consistent tolerances, lightweight materials, and reliable corrosion resistance. These conditions favor the M4 shoulder screw due to its compact size, simple installation, and predictable performance. Aerospace, while also rigorous in strength and precision, tends to use larger fasteners in many assemblies, which explains why its bar sits lower than Automotive and Electronics. Machinery shares a similar requirement profile with Automotive, but its production scale can be more fragmented, leading to a mid-range adoption level. Medical devices present strong quality and traceability demands; however, the overall use of small-diameter shoulder screws is bounded by regulation and specialized material choices, which keeps their adoption moderate. The Energy sector often features modular or discrete assemblies with generous tolerances or alternative fastener solutions, contributing to a lower relative usage of M4 shoulder screws. The takeaway is that the field is dominated by high-volume, precision-driven applications where small fasteners provide reliability with minimal assembly time. For manufacturers and suppliers, this suggests focusing on surface treatment, material compatibility, and supply chain responsiveness to support the most active sectors. The chart also highlights that a single dimension, while insightful, does not capture all factors such as material, coating, head type, or thread standard. The new data perspective, accounting for sector distribution, complements other product performance metrics and helps guide engineering decisions, production planning, and market targeting. Overall, the trend supports the headline that shoulder screw M4 stands out in the field, particularly within automotive and electronics environments.

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  • jari dedenroth 2022.12.25 03:01:17

    The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!

  • Joseph 2022.12.20 11:15:53

    High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.

  • Laurel 2022.12.19 18:47:00

    The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!

  • Maxine 2022.12.17 20:01:55

    High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!

  • Madeline 2022.12.06 07:00:21

    This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.

  • James Brown 2022.12.02 23:38:31

    High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!

  • Princess 2022.12.29 18:15:53

    This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!

  • Andrew Forrest 2022.12.27 00:56:42

    Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!

  • Agustin 2022.12.20 08:16:22

    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.

  • Jacqueline 2022.12.17 11:34:46

    This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!

  • John biddlestone 2022.12.05 13:34:12

    The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.

  • Mike 2022.12.05 10:58:47

    Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.

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