Have you ever struggled to find nuts and bolts that actually last, fit perfectly, and don’t break the bank? With so many manufacturers out there, it’s tough to know who truly delivers quality you can count on. Choosing the right supplier means fewer headaches, stronger builds, and reliable performance for every project. The best factories set the standard with strict quality control and responsive service—saving you time, money, and stress. Curious which brands stand out from the crowd?

Read on to discover the top nuts and bolts manufacturers and find the perfect partner for your next job!

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Custom Fasteners Manufacturer | National Bolt and Nut Corp.

Product Details:
National Bolt & Nut Corporation manufactures high-quality, ISO certified custom fasteners including bolts, nuts, washers, screws, and screw machine products in standard and non-standard sizes, with various materials and finishes. They offer rapid turnaround and domestic manufacturing, serving a wide array of industries with solutions tailored to exact specifications.

Technical Parameters:
– Offers fasteners in a variety of materials: steel, stainless steel, brass,
– Provides a wide range of finishes: zinc, galvanized, black oxide, and hot
– Bolt head types include: hex, bent, round, carriage, T-head, countersunk.
– Production capabilities include: milling, drilling, tapping, flattening,

Application Scenarios:
– Construction: structural bolts, washers, and wood screws for steel and wooden
– Mining: custom bolts and fasteners for surface and underground mining equipment.
– Transportation: fasteners for railroad, tractor-trailers, aircraft, and
– Agriculture and Petrochemical: fasteners for farm equipment and chemical-resista

Pros:
– ISO certified with in-house quality control and A2LA-accredited material/heat
– Custom fasteners manufactured to exact specifications including non-standard
– Thousands of standard/metric fasteners available for immediate delivery and
– Broad industry expertise with guidance on material and finish selection for

Cons:
– No published standard catalogue of technical specifications for each fastener
– Highly customized nature may lead to longer lead times for unique products.
– Pricing information and detailed material standards/certifications are not

Fastener Supplier – Nuts and Bolts Manufacturer | KD Fasteners, Inc.®

Product Details:
KD Fasteners, Inc.® is a supplier and manufacturer of a wide range of standard fasteners, including various types of bolts (anchor, carriage, elevator, eye, hanger, heavy hex, hex, hook, J, lag, plow, rod end, stadium seat, structural, tap, U bolts), nuts (cap, coupling, flange-serrated, hex machine screw, hex, hex slotted, lock nuts, non-serrated flange, thumb, weld, heavy hex, wing nuts), and rivets (blind, countersunk, semi-tubular, solid, structural) suitable for industrial and construction applications.

Technical Parameters:
– Offers multiple bolt and nut types: anchor, carriage, elevator, eye, hex, heavy
– Supplies fastening solutions in standard and possibly custom measurements
– Products include rivets such as blind, countersunk, semi-tubular, solid, and

Application Scenarios:
– Industrial manufacturing and assembly requiring diverse bolting and fastening
– Construction projects needing structural bolts, heavy hex bolts, and nuts for
– Projects requiring specialty fasteners such as stadium seat bolts, plow bolts,
– General maintenance, repair, and OEM component supply situations.

Pros:
– Wide portfolio of standard fastener products enabling one-stop sourcing.
– Serves a variety of industries and applications with specialized fastener types.
– Can likely support bulk orders given their role as a manufacturer and supplier.
– Includes both metric and imperial fasteners to accommodate different customer

Cons:
– Technical specifications such as material grades, coatings, load ratings, and
– No details on custom fastener manufacturing or support for unusual requirements.
– Application or compatibility guidance for specific industries or standards is

Wholesale Fastener Supplier & Distributer | Fastener Solutions

Product Details:
Fastener Solutions is a wholesale supplier and distributor offering a comprehensive array of industrial fasteners, including bolts (various types such as hex bolts, U bolts, eye bolts, hanger bolts, structural bolts, carriage bolts, plow bolts, and more), nuts, washers, rods and studs, screws, assorted fasteners, and related tools and equipment.

They provide fasteners in various materials such as stainless steel, alloy steel, Inconel, Monel, silicon bronze, aluminum, duplex and super duplex stainless, and in multiple grades and surface coatings (galvanized, zinc-plated, plain, etc.).

Technical Parameters:
– Wide range of bolt types: hex, U, eye, hanger, structural, carriage, plow, lag
– Multiple material options: stainless steel, A286, Inconel, Monel (400, 500),
– Available grades: Grade 2, 5, 8, 8.8, 10.9, A307 (Grade A, B), A325, A490, A193
– Surface coatings: plain, zinc (clear/yellow), hot dipped galvanized, etc.

Application Scenarios:
– Industrial construction and infrastructure projects requiring high-strength
– Specialized manufacturing and assembly operations needing corrosion-resistant
– OEM and maintenance use in applications that demand material variety (e.g.,
– Supply chain/stocking programs for contractors or OEMs needing bulk and varied

Pros:
– Extensive product variety and multiple material/grade choices to match diverse
– Bulk wholesale supply capabilities suitable for industrial, OEM, and large
– Availability of both standard and specialty/high-performance fasteners
– Useful for supply chain solutions and custom orders.

Cons:
– No visible information about minimum order quantities or flexibility for small
– Technical product details (detailed specs, certifications, tolerances) not
– Potential complexity for buyers unfamiliar with fastener standards/materials

BoltsandNuts.com – Quality Fasteners, Delivered!

Product Details:
BoltsandNuts.com offers a broad selection of fasteners and related products, including bolts, nuts, screws, washers, cable ties, clamps, fittings, electrical components, automotive fasteners, storage solutions, taps, dies, drill bits, measuring gauges, threadlockers, chemicals/lubricants, work gloves, tools, apparel, and gift cards. They provide products in various sizes (inch and metric), with options for wholesale, bulk, and piece purchases. Every order comes with QR Coded Storage Labels for easy reordering.

Technical Parameters:
– Product categories include Inch and Metric Fasteners, Cable Ties (GripLockTies
– Fasteners are available by the piece, package, or in bulk quantities.
– QR coded storage labels included with each product for inventory management and
– Free shipping on orders over $25 with no minimum order requirement.

Application Scenarios:
– DIY home improvement projects requiring various sizes and types of fasteners.
– Professional contracting work needing bulk and piece fastener supplies.
– Industrial and manufacturing settings demanding large, reliable fastener
– Automotive repair and maintenance involving specialty automotive fasteners.

Pros:
– Extensive and diverse product selection for multiple industries and uses.
– No order minimums and free shipping on qualifying orders (over $25).
– Convenient QR coded labels for fast, easy product reordering and organization.
– Wholesale and bulk purchasing options support both small- and large-scale users.

Cons:
– Limited technical specifications for individual products provided directly on
– No detailed compatibility or material data for specific fastener types readily

Nuts, Bolts, Screws, Washers & Fasteners Supplier

Product Details:
Nutty.com offers a wide variety of nuts, dried fruits, snacks, chocolates, seeds, and baking products. Products are available in multiple package sizes and are often available raw, roasted, salted, or unsalted. The company also offers gift trays and bulk ordering options.

Technical Parameters:
– Products available in different package weights (e.g., 1 lb, 5 lb, 25 lb)
– Option for raw, roasted, salted, or unsalted varieties
– Kosher-certified and gluten-free options available
– Bulk and wholesale quantities provided for many items

Application Scenarios:
– Snack consumption for individuals or groups
– Use as ingredients in baking or cooking recipes
– Corporate or personal gifting
– Bulk purchasing for events or business needs

Pros:
– Large selection of nuts, dried fruits, and snacks
– Customizable options (roasted/raw, salted/unsalted)
– Bulk ordering and wholesale pricing for savings
– Kosher and gluten-free certifications increase suitability for special diets

Cons:
– Shipping costs may be significant for large or heavy orders
– Limited fresh fruit or perishable product options

America’s leading supplier of high-precision fasteners

Product Details:
Ameribolt is a leading supplier specializing in high-precision fasteners and related industrial products. Their offerings include fasteners and bolting solutions, forging and heat treatment services, specialized coating and plating, 24-hour hotshot expedited service, and specialist technical support.

Technical Parameters:
– High-precision fasteners supplied to industrial-grade specifications
– Services include forging and heat treatment for enhanced material properties
– Specialized coating and plating options available for corrosion resistance and
– 24/7 expedited manufacturing and delivery service for urgent requirements

Application Scenarios:
– Oil and gas industry projects
– Power generation facilities
– LNG, petrochemicals, and process gas installations
– General industrial and infrastructure construction and maintenance

Pros:
– Comprehensive product and service range for industrial fastener needs
– Capability for rapid response through 24-hour hotshot service
– Custom technical support and specialized engineering solutions
– Expertise in advanced coatings and treatments for durability and performance

Cons:
– Limited technical specifications detailed directly on the site
– May cater primarily to large industrial clients, possibly less suitable for

Wilson-Garner | American Manufacturer of Bolts, Screws & Studs

Product Details:
Wilson-Garner specializes in the limited-run production of custom, cold-formed, externally-threaded fasteners including bolts, screws, studs, wheel studs, placebolts, special fasteners, and military products. They also supply test bolts, nuts, and washers for torque-tension and bearing surface testing. All products are American-made and manufactured from carbon or alloy steel.

Technical Parameters:
– Cold-formed manufacturing process
– Externally-threaded fasteners
– Materials: carbon steel or alloy steel
– Certified, American-made, and traceable by lot

Application Scenarios:
– Automotive industry
– Oil & gas environments
– Military service part applications
– Heavy machinery applications

Pros:
– Custom, per-spec fastener manufacturing in any size or quantity
– Specializes in limited-run and non-standard fasteners
– Certified and traceable American-made products
– Over 70 years of industry experience

Cons:
– Focus on limited-run quantities may not suit high-volume needs
– Product offering may be limited to externally-threaded fasteners

Bolt Depot – Fastener Shopping Made Easy

Product Details:
Bolt Depot offers a wide array of fasteners and related hardware, with over 20,000 products in stock, including both US (imperial) and metric standard bolts, screws, nuts, washers, rods, specialty fasteners, and installation tools. Customers can purchase in any quantity, from single pieces to bulk orders, without minimum order requirements.

Technical Parameters:
– Over 20,000 products available, covering US (imperial) and metric measurements.
– Includes wood screws, sheet metal screws, machine screws, hex bolts, carriage
– Associated tools offered: driver bits, drill bits, taps & dies, thread gauges,
– Free downloadable charts and sizing tools (PDF format) for fastener selection

Application Scenarios:
– General construction and woodworking projects.
– Sheet metal fabrication and repair.
– Furniture assembly and repair.
– Automotive, machinery, and equipment maintenance.

Pros:
– No minimum order quantity—buy as little as one piece.
– Same day shipping for most orders; express options available.
– Comprehensive return and satisfaction guarantee policy.
– Free fastener identification tools and resources for customers.

Cons:
– Specialized hardware may require user knowledge to identify correct parts
– No indication of physical retail locations—online or phone purchasing required.

Bolts and Nuts Manufacturers | United States – Manta.com

Nuts & Bolts, Screws & Fasteners Online, Fastener SuperStore

Product Details:
Fastener SuperStore provides an online catalog of over 45,000 screws, bolts, rivets, spacers, standoffs, nuts, washers, and other industrial fasteners. Bulk quantities are offered at discounted prices with various styles, materials, finishes, and sizes, including stainless steel and mil-spec options. The company serves both regular and larger-volume buyers with same-day shipping available from multiple US locations.

Technical Parameters:
– Over 45,000 distinct parts available
– 17 types of screws in various styles, materials, finishes, and sizes
– Stainless steel available in most screw categories (machine, self-drilling,
– Bulk quantities; special quotes available for larger orders

Application Scenarios:
– Industrial usage requiring bulk fastener components
– Small electronics assembly (spacers, standoffs, rack mounting cage nuts)
– Projects requiring specific materials or finishes (e.g., stainless steel,
– Business or manufacturing operations needing quick shipment and large-stock

Pros:
– Extensive selection (45,000+ products) with online pricing and immediate
– Same day shipping for most orders, ensuring quick delivery
– Bulk discounts and deeper pricing available for large orders
– Knowledgeable customer support with extended service hours (7am-7pm CT) and

Cons:
– Primarily suited to bulk/industrial buyers, may not be ideal for small quantity
– Custom pricing for very large orders requires direct quote, not instant online

Comparison Table

Company	Product Details	Pros	Cons	Website
Custom Fasteners Manufacturer	National Bolt and Nut Corp.	National Bolt & Nut Corporation manufactures high-quality, ISO certified custom	ISO certified with in-house quality control and A2LA-accredited material/heat	No published standard catalogue of technical specifications for each fastener
Fastener Supplier – Nuts and Bolts Manufacturer	KD Fasteners, Inc.®	KD Fasteners, Inc.® is a supplier and manufacturer of a wide range of standard	Wide portfolio of standard fastener products enabling one-stop sourcing. Serves	Technical specifications such as material grades, coatings, load ratings, and
Wholesale Fastener Supplier & Distributer	Fastener Solutions	Fastener Solutions is a wholesale supplier and distributor offering a	Extensive product variety and multiple material/grade choices to match diverse	No visible information about minimum order quantities or flexibility for small
BoltsandNuts.com – Quality Fasteners, Delivered!	BoltsandNuts.com offers a broad selection of fasteners and related products,	Extensive and diverse product selection for multiple industries and uses. No	Limited technical specifications for individual products provided directly on	boltsandnuts.com
Nuts, Bolts, Screws, Washers & Fasteners Supplier	Nutty.com offers a wide variety of nuts, dried fruits, snacks, chocolates,	Large selection of nuts, dried fruits, and snacks Customizable options	Shipping costs may be significant for large or heavy orders Limited fresh fruit	www.nutty.com
America’s leading supplier of high-precision fasteners	Ameribolt is a leading supplier specializing in high-precision fasteners and	Comprehensive product and service range for industrial fastener needs Capability	Limited technical specifications detailed directly on the site May cater	www.ameribolt.com
Wilson-Garner	American Manufacturer of Bolts, Screws & Studs	Wilson-Garner specializes in the limited-run production of custom, cold-formed,	Custom, per-spec fastener manufacturing in any size or quantity Specializes in	Focus on limited-run quantities may not suit high-volume needs Product offering
Bolt Depot – Fastener Shopping Made Easy	Bolt Depot offers a wide array of fasteners and related hardware, with over 20	No minimum order quantity—buy as little as one piece. Same day shipping for	Specialized hardware may require user knowledge to identify correct parts	boltdepot.com
Bolts and Nuts Manufacturers	United States – Manta.com
Nuts & Bolts, Screws & Fasteners Online, Fastener SuperStore	Fastener SuperStore provides an online catalog of over 45,000 screws, bolts,	Extensive selection (45,000+ products) with online pricing and immediate	Primarily suited to bulk/industrial buyers, may not be ideal for small quantity	www.fastenersuperstore.com

Frequently Asked Questions (FAQs)

How do I find reliable nuts and bolts manufacturers or factories?
Start by searching online B2B marketplaces, industry directories, and trade shows. Look for companies with verified profiles, positive reviews, and well-established histories. Asking for recommendations from industry contacts can also lead to trusted suppliers.

What should I consider when evaluating a potential supplier?
Check the manufacturer’s certifications, production capacity, quality control processes, and experience with similar products. Request samples to verify quality and inquire about their lead times, minimum order quantities, and customer support responsiveness.

How can I verify the quality of nuts and bolts before ordering in bulk?
Always request product samples and ask for documentation on quality standards, such as ISO certificates or material test reports. Inspect the samples for consistency, finish, and durability, and consider visiting the factory if possible.

What information should I provide to get an accurate quote from a manufacturer?
Be specific about the types, sizes, materials, finishes, quantities, packaging requirements, and delivery timelines you need. Supplying technical drawings or specifications helps manufacturers provide accurate pricing and delivery estimates.

Are there red flags to watch out for when choosing a manufacturer?
Yes. Beware of suppliers with vague responses, inconsistent communication, unreasonably low prices, or no documented quality standards. Avoid companies with little verifiable history or negative reviews from other customers.