Top 5 Custom Flat Screw Suppliers in the USA for 2025

Flat screws, known for their low-profile design and superior fastening strength, are critical components in industries such as construction, automotive, electronics, and aerospace.

 

Partnering with a reliable custom flat screw supplier in the USA ensures precision and durability for your projects.

 

This article highlights the top 5 custom flat screw suppliers in the USA for 2025, detailing their product offerings, customization capabilities, and contact information to help you choose the best partner.

 

1. McMaster-Carr

Company Overview:
Founded in 1901 and headquartered in Elmhurst, Illinois, McMaster-Carr is a leading name in industrial fasteners, serving global clients with over 120 years of expertise.

Flat Screw Products:
McMaster-Carr offers a wide range of flat screws in materials like stainless steel, carbon steel, and alloy steel, suitable for machinery, construction, and electronics. Sizes range from miniature to heavy-duty, with various thread types and coatings.

Customization Services:
Supports custom lengths, head styles, and specialized coatings (e.g., corrosion-resistant zinc). Clients can easily configure and order custom flat screws via their online platform.

Certifications:
ISO 9001:2015 certified, ensuring product quality and supply chain reliability.

Contact Information:
www.mcmaster.com

 

2. Shi Shi Tong Screw

Company Overview:
Headquartered in China with a strong U.S. presence, Shi Shi Tong Screw specializes in non-standard custom screws, catering to high-precision industries.

Flat Screw Products:
Its flat screw are widely used in smart home, electrical engineering and medical equipment, etc., supporting high-strength and precision applications, and are available in a variety of materials, such as titanium alloy and brass.

Customization Services:

♦ Size customization: Thread diameter: M0.8-M16, screw length: 1-1990mm. Customization based on provided drawings is supported.

♦ Material customization: Customization of five major materials including stainless steel, carbon steel, copper, aluminum and titanium. Support customization of special materials such as A2-70, A2-80, 440C, 420J2, 10B21, bronze, TA2, 1100, etc.

♦ Customized surface treatment: galvanizing, passivation, electrophoresis, hardening, micro-arc oxidation, etc.

Certifications:
Providing salt spray test, torque test, hardness test, SGS, ROHS and other test reports. The factory is ISO9001 certified.

Contact Information:
www.sstls.com

 

3. Grip-Rite

Company Overview:
Established in 1975 and based in Texas, Grip-Rite is a renowned brand in construction fasteners, offering extensive solutions for building and outdoor projects.

Flat Screw Products:
Grip-Rite’s flat screws are designed for wood and metal fastening, with excellent corrosion resistance for outdoor applications like decking and fencing.

Customization Services:
Offers custom thread depths, lengths, and coatings (e.g., hot-dip galvanized) to meet specific construction requirements.

Certifications:
ASTM and ICC-ES certified, meeting construction industry standards.

Contact Information:
grip-rite.com

 

4. Minerallac

Company Overview:
Founded in 1894 and headquartered in Illinois, Minerallac provides over 125 years of expertise in electrical and industrial fasteners.

Flat Screw Products:
Their flat screws are tailored for electrical installations, ideal for conduit fittings and electrical boxes, available in steel and zinc-plated options for lasting durability.

Customization Services:
Offers custom sizes and specialized coatings to meet specific electrical industry needs.

Certifications:
UL and ISO 9001 certified, ensuring product safety and quality.

Contact Information:
minerallac.com

 

5. Simpson Strong-Tie

Company Overview:
Established in 1956 and based in California, Simpson Strong-Tie is a global leader in structural fasteners, focusing on construction and infrastructure projects.

Flat Screw Products:
Their Strong-Drive® flat screws are designed for wood-to-wood and wood-to-concrete connections, ideal for heavy-duty projects like decks and docks, offering high strength and corrosion resistance.

Customization Services:
Provides custom screw specifications based on load requirements, with engineering support to optimize designs.

Certifications:
Meets ICC-ES and ASTM standards, backed by rigorous structural testing.

Contact Information:
www.strongtie.com

 

 

Conclusion

The leading U.S. custom flat screw suppliers combine advanced manufacturing, stringent quality certifications, and flexible customization to meet demands from small-scale projects to large industrial applications.

 

Whether it’s McMaster-Carr’s comprehensive product range, Shi Shi Tong Screw’s precision non-standard designs, or the industry-specific expertise of Grip-Rite, Minerallac, and Simpson Strong-Tie, these suppliers deliver reliable flat screw solutions.

 

With comprehensive customizable options and global reach, Shi Shi Tong Screw remains a major player in the market.For custom flat screw needs, explore Shi Shi Tong Screw‘s products and find the perfect solution for your project.

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