Top 10 Fastener Manufacturers in the USA (2026)

An assembly’s performance in service comes down to the fastener you specify. Thread form, material grade, dimensional accuracy, and documentation traceability all trace back to who manufactured the part. For procurement teams and design engineers sourcing bolts, screws, studs, or custom threaded components, the manufacturer behind the part matters as much as the print.

For procurement based in the US, the supplier landscape is broader than it appears. The US industrial fasteners market is a growing one, at a scale that reflects the range of suppliers competing for aerospace, automotive, medical, and industrial contracts.

This article compares 10 verified manufacturers by fastener-specific capabilities, certifications, and buyer fit.

How We Selected the Top 10 Fastener Manufacturers in the USA

Every company on this list was evaluated against five criteria:

• Quality certifications — ISO 9001 as baseline, with sector-specific certs (AS9100D, ISO 13485, IATF 16949, API Spec Q1) confirming audited processes for regulated applications
• On-demand custom manufacturing model — manufacturers only; no distributors or stock catalog sellers
• Präzision and tolerance capability — CMM-verified tolerance data weighted over general marketing claims; capability assessed per geometry and material, not as a single published figure
• Production scale and lead time — prototype-to-production within one supplier; sample and bulk lead times confirmed where publicly available
• Industry track record and documentation — OEM delivery evidence in aerospace, medical, automotive, energy, or industrial sectors; CoC, FAI, and PPAP available on request

Quick Comparison: Top 10 Fastener Manufacturers at a Glance

Use this table as a shortlisting starting point. Detailed profiles follow below.

Top 10 Fastener Manufacturers in the USA: The Ranked List

#1: MS Aerospace

NADCAP accreditation across four process areas and full vertical integration from raw bar stock to finished fastener separate MS Aerospace from most US aerospace fastener manufacturers. Every step from hot and cold heading through NADCAP heat treatment, CNC secondary machining across 50+ robotic and CNC lathes, fillet rolling, thread rolling, centerless grinding, and lock-wire hole drilling happens within one 100,000-square-foot facility in Sylmar, California.

Fastener tensile strengths range from 160,000 to 300,000 psi, with fatigue-rated fasteners exceeding 3,000,000 cycles. Materials include titanium, Inconel, A286, and high-temperature alloys suited to jet engine, landing gear, and structural airframe applications.

• Key differentiator: NADCAP accreditation covers heat treatment, NDT, lube and passivation, and destructive test lab. No raw material leaves the facility before the fastener is complete.
• Consideration: Focused on aerospace and defense fasteners. Not suited for general industrial, medical, or consumer applications.
• Best for: Procurement teams sourcing high-strength, fatigue-rated aerospace fasteners for jet engine, landing gear, or structural applications.

#2: Yijin Solution

Triple-sector certification covering AS9100D, IATF 16949, and ISO 13485, paired with a free DFM review, makes Yijin Solution a direct-factory option for buyers sourcing custom fasteners across regulated industries from a single certified supplier. The production floor includes 150 cold heading machines, 80+ Swiss-type lathes, and CNC machining centers.

Materials include stainless steel, titanium, aluminum, brass, and engineering alloys, with a maximum specification of M24 or length up to 1,000 mm. For qualifying CNC-turned geometries, tolerances in the +-0.02 to 0.05 mm range are achievable, verified by Zeiss CMM inspection. This figure reflects controlled conditions on suitable parts. Capability varies by geometry and material.

• Key differentiator: Triple-sector certification plus free DFM review before production commitment. Full documentation package including PPAP Level 3, FAI, and CoC.
• Consideration: China-based facility. Buyers with DFARS or Buy American Act requirements should confirm eligibility before engaging.
• Best for: Buyers sourcing custom precision fasteners for aerospace, medical, or automotive applications who need prototype-to-production scaling from a single certified supplier.

#3: MW Components

MW Components holds the widest certification portfolio of the US fastener manufacturers on this list, covering ISO 9001, AS9100D, ISO 13485, NADCAP, API 14 A&D, QSLM Class 2 and 3, and ITAR registration. This breadth is relevant for buyers managing multiple programs across different regulated sectors from a single supplier.

Production spans cold heading, cold forming, and precision machined fasteners across 20+ US manufacturing facilities. The Ideal Fasteners division manufactures NAS and MS mil-spec fasteners under NADCAP accreditation, and the company holds MAThread anti-cross-thread technology. Over 45,000 standard aerospace and military fasteners are stocked for same-day shipping, with 100+ in-house engineers supporting DFM and CAD-on-demand.

• Key differentiator: The widest certification portfolio on this list, combined with 45,000+ stocked mil-spec fasteners available for same-day shipping.
• Consideration: Multiple sub-divisions handle different fastener types. Buyers should confirm which facility covers their specific part type and certification scope.
• Best for: Procurement teams needing both stock mil-spec fasteners for quick fulfillment and custom fastener manufacturing under one organization.

#4: Pilgrim Aerospace Fasteners

Pilgrim Aerospace holds DoD QSLM qualification, which carries a higher audit threshold than standard AS9100D certification and is required by certain defense prime contractors. The qualification covers short-run aerospace bolts, machine screws, tapping screws, clevis pins, and cold-headed specials manufactured at their Chandler, Arizona facility, now part of the Meidoh Group.

Specialty materials cover Ti-6Al-4V, 17-4PH, A286, and Inconel 718. Manufacturing processes include cold heading, hot forging, thread rolling, centerless grinding, and CNC machining. Their proprietary Pi-Lok quarter-turn fastener serves aerospace panel assemblies, and they recently added ISO 13485 for surgical medical screws.

• Key differentiator: DoD QSLM qualification and the proprietary Pi-Lok quarter-turn fastener, alongside proven capability in exotic alloys for aerospace and defense applications.
• Consideration: Smaller team of roughly 58 employees. Capacity for very large volume runs may be limited. Confirm lead times early for production-scale orders.
• Best for: Short-to-mid run aerospace and defense fastener procurement where QSLM qualification and exotic material experience are required.

#5: Swissturn/USA, formerly J.I. Morris

Swissturn/USA is the strongest option on this list for miniature thread accuracy, with OD tolerances reaching +-0.0002″ on Swiss-turned components. The predecessor company, J.I. Morris, contributed to writing US industry standards for unified miniature thread series, giving this manufacturer an institutional knowledge base in micro-precision fasteners that few US suppliers match.

The current range covers 0.010″ to 1.250″ diameter parts manufactured by Swiss CNC screw machining. Processes include thread rolling, centerless grinding, honing, lapping, and assembly. Swissturn became 100% employee-owned through an ESOP in 2021, a structure that produces low turnover and deep institutional knowledge in precision manufacturing.

• Key differentiator: OD tolerances to +-0.0002″ and direct involvement in authoring US micro-thread standards. Employee ownership supports process stability and depth of in-house knowledge.
• Consideration: Maximum part diameter is 1.250″. Not suited for large-diameter structural or heavy-duty fasteners.
• Best for: Buyers sourcing miniature or micro-precision fasteners for medical devices, electronics, or instrumentation where thread form accuracy is the primary requirement.

#6: The Federal Group USA

TFG USA’s value for industrial buyers is 44 years of vertical integration across cold heading, CNC machining, casting, Swiss screw machining, and robotic handling cells. Buyers avoid coordinating multiple sub-tier suppliers because multiple fastener production methods are covered within one organization. PPAP and FAI documentation come standard on production orders.

• Key differentiator: 44+ years of vertical integration across multiple fastener production methods, with PPAP and FAI documentation included as standard on production orders.
• Consideration: ISO 9001 only. No AS9100D or ISO 13485 certification. Not suited for aerospace or medical device fastener procurement without additional qualification.
• Best for: Industrial, agricultural, and energy OEMs needing multi-process custom fasteners from a single US manufacturer.

#7: MF Engineering

MF Engineering has manufactured biomedical fasteners since 1979, with experience in complex drive geometries, non-standard thread forms, and implant-adjacent material specifications that most general precision shops do not carry. Processes include CNC turning, Swiss machining, precision grinding, single-point threading, and thread rolling.

Senior engineering staff provide proactive material selection advisory as part of the quoting process, which reduces iteration cycles on parts with unusual specifications.

• Key differentiator: Biomedical fastener experience since 1979, covering cleanroom-adjacent requirements and implant-adjacent material specifications.
• Consideration: Smaller facility. Not suited for large-volume commodity fastener production. Lead times and capacity should be confirmed early for production-scale orders.
• Best for: Buyers needing custom precision fasteners with non-standard drive types or exotic materials for biomedical, aerospace, or defense applications.

#8: Xometry

Xometry is the only marketplace-model option on this list, giving buyers instant AI-powered quoting across a network of 10,000+ vetted US suppliers with no minimum order quantity. For fastener procurement specifically, the platform handles CNC-turned and machined fastener geometries, including custom thread forms, drive features, and non-standard head profiles that single-source shops may not quote quickly. DFM feedback and pricing arrive in minutes.

At the platform level, Xometry holds AS9100D, ISO 13485, and IATF 16949 certifications.

• Key differentiator: Instant AI-powered pricing and DFM feedback with no minimum order quantity, backed by access to 10,000+ vetted US manufacturing partners.
• Consideration: The marketplace model means the actual supplier fulfilling the order varies. Traceability and quality consistency depend on which network partner manufactures the parts. State specification documents and inspection requirements clearly upfront.
• Best for: Design engineers needing rapid fastener prototyping or low-volume custom fasteners with instant pricing and no minimum order commitment.

#9: Ed’s Precision Manufacturing

Ed’s Precision is the only supplier on this list offering fastener modification as a dedicated service, covering rethreading, safety wire drilling, slotting, and drive modifications on existing fasteners. This reduces lead time when a stock item needs minor customization rather than full custom manufacturing. They also manufacture non-metallic fasteners in nylon, PTFE, PVC, and polyethylene for corrosive environments.

Over 10 million fasteners have been modified across 35+ years of operation. Rush and overnight jobs are available.

• Key differentiator: Dedicated fastener modification services alongside non-metallic fastener manufacturing, with over 10 million modifications completed across 35+ years of operation.
• Consideration: No published AS9100D, ISO 13485, or IATF 16949 certifications. Buyers in regulated sectors should confirm quality documentation availability before engaging.
• Best for: Energy, nuclear, and industrial buyers needing modified fasteners or non-metallic fastener options with fast turnaround.

#10: USA Fastener Group

USA Fastener Group is the only API Spec Q1 and API 20E BSL 1 to 3 certified entry on this list, making it the relevant option for upstream, midstream, and downstream oil and gas fastener procurement where these credentials are required. B7 studs, 2H nuts, and hundreds of API 20E BSL-1 products are stocked in Houston for immediate dispatch.

Processes include hot forging, roll threading, and CNC machining for large-diameter threaded studs, bolts, and nuts. USA Fastener Group is a division of MW Components. 24-hour emergency service is available for urgent MRO and production shutdowns.

• Key differentiator: API Spec Q1 and API 20E BSL 1 to 3 certifications, with Houston-based stock and 24-hour emergency service for the energy sector.
• Consideration: Focused on the energy sector. Not a precision or miniature fastener shop. Tolerances and materials are industrial-grade.
• Best for: Oil and gas, petrochemical, and energy procurement teams needing API-certified large-diameter fasteners with same-day stock availability from Houston.

How to Choose the Right Fastener Manufacturer for Your Project

Step 1: Define your technical requirements

Thread form, material, Oberflächengüte, and tolerance requirements should be defined before shortlisting manufacturers. A supplier’s equipment, certification scope, and documentation capability can only be evaluated meaningfully once the part requirements are fixed.

Step 2: Match certifications to your sector

AS9100D for aerospace. ISO 13485 for medical. IATF 16949 for automotive. API Spec Q1 for oil and gas. ISO 9001 as a baseline. Confirm that the certification scope covers the part type and process you need, not just the company name on the certificate.

Step 3: Confirm documentation requirements

Regulated sectors need Certificate of Conformance, material certs, FAI reports, and PPAP packages. ASTM F3125 defines structural bolt requirements and testing protocols that documentation should reference. If a supplier cannot produce the paperwork, the parts are effectively unverified.

Step 4: Evaluate prototype-to-production capability

A direct-factory supplier handling both prototype and production within the same quality system eliminates tolerance risk and documentation gaps that come from mid-project supplier switches. Ask whether the same facility and inspection process covers both stages.

Step 5: Factor in lead time and supply chain origin

US-based manufacturers support DFARS compliance and reduce ocean freight risk. Both sample and bulk lead times should be confirmed before committing to a supplier. For time-sensitive programs, ask about expedited options and stock availability on common materials.

Source Custom Fasteners from Yijin Solution

Performance in service depends on more than the specification on the print. Thread form accuracy, material consistency, surface finish, and dimensional repeatability across production runs all trace back to the manufacturer’s process controls, quality system, and documentation discipline. A fastener that meets the drawing on the first article but drifts in production is a supplier problem, not a design problem. The right manufacturer is one whose quality system makes that drift unlikely and whose documentation makes it detectable when it occurs.

Yijin Solution manufactures custom precision fasteners across cold heading and CNC-Drehen, covering stainless steel, titanium, aluminum, brass, and engineering alloys up to M24 and 1,000 mm in length. Tolerances of ±0.02 to 0.05 mm are achievable on qualifying CNC-turned geometries, verified by Zeiss CMM. Triple-sector certification covers AS9100D, IATF 16949, and ISO 13485. A free DFM review is available before any production commitment.

Upload your CAD files to receive a free DFM review and fastener quote within 24 hours.

Disclaimer: This list was compiled through independent research into company capabilities, certifications, and publicly available information. Yijin Solution is the publisher of this article. Our entry is included using the same criteria applied to all other companies listed.

FAQs on Fastener Manufacturers in the USA

What types of fasteners can US manufacturers produce?

US fastener manufacturers produce bolts, screws, nuts, studs, pins, rivets, and custom non-standard geometries. CNC-turned and cold-headed fasteners differ in their volume thresholds and material range. Cold heading suits high-volume production with simpler geometries, while CNC turning handles tighter tolerances and more complex profiles at lower to mid volumes.

How do I verify a fastener manufacturer’s quality certifications?

Request certificate copies directly from the manufacturer. Cross-check against the issuing body’s registry. For AS9100D, that means OASIS, the Online Aerospace Supplier Information System. FAI and PPAP documentation are additional proof that the manufacturing process is controlled and repeatable.

What is the typical lead time for custom fasteners in the USA?

Sample lead times commonly range from 7 to 15 days for precision CNC-turned fasteners and up to four or more weeks for cold-headed specials requiring custom tooling. Mass production timelines depend on volume, material availability, and thread form complexity. Surface finish requirements and secondary operations like plating also add to the schedule.

What materials are commonly used in US fastener manufacturing?

Common materials include stainless steel, alloy steel, titanium, aluminum, brass, Inconel, and various exotic alloys. Material selection connects directly to corrosion resistance, tensile strength, and cost. Stainless Steel 316 is standard for marine environments, while Ti-6Al-4V is the default for aerospace weight-critical applications.

Can US fastener manufacturers support prototype-to-production scaling?

Yes, for direct-factory, on-demand manufacturers. Scaling within the same supplier eliminates tolerance risk and documentation gaps that arise when handing off between vendors. Platforms and marketplace-model suppliers may route production to different network partners at scale, so traceability and quality consistency should be confirmed for each production run.

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