Are you looking for the best nut and bolt manufacturers to meet your project needs? Here’s a guide to help you compare the top suppliers in the USA. From precision-engineered bolts to customized fastening solutions, we’ll explore the leading companies that stand out in the industry.

Fastener Supplier – Nuts and Bolts Manufacturer | KD …

Product Details: KD Fasteners supplies standard, metric, and custom fasteners made from various materials including steel, stainless steel, brass, silicon bronze, Hastelloy, Inconel, Monel, aluminum, and other non-ferrous metals. They offer over 100,000 different fastener components, including

bolts, nuts, screws, and washers. Services include plating, tapping, and packaging.

Pros:
– Extensive range of materials and fastener types
– Custom manufacturing capabilities
– Highly experienced staff with over 20 years of ind…
– Complete certification and quality control
– Secondary services such as anodizing, annealing, a…
– Design, engineering, and industry knowledge for ta…

Cons:
– No specific cons mentioned on the website
– Potential complexity in navigating the vast produc…

Domestic Nut and Bolt Manufacturer

Product Details: Master Bolt manufactures and distributes custom and standard fasteners since 1983. They now produce nuts in-house using square and hex bar, cutting, drilling, tapping, and threading. Diameters range from 7/8th to 3 inches, with in-house

plating options like zinc and yellow plating.

Pros:
– High-quality parts that work the first time every…
– Cost-effective orders due to in-house nut manufact…
– More options for domestic parts, benefiting from l…
– Ability to offer a full range of fastener needs as…

Cons:
– Historically did not manufacture nuts, relying on…
– Limited to specific diameters (7/8th to 3 inches).

Top 10 Fastener Suppliers and Manufacturers in the USA

Nuts (Fasteners) Suppliers

Product Details: Suppliers provide custom bagging, drilling, tapping, and other value-added services. Bulk and packaged quantities are available for immediate shipment.

Pros:
– Wide range of nut types and materials available
– Various applications and industries served
– Additional services like inventory management and…
– Compliance with RoHS and REACH standards
– Immediate shipment options

Cons:
– No specific pricing information provided
– Limited details on minimum order quantities
– Dependence on supplier for custom services

Bolts and Nuts, Hex Cap Screws and Fasteners Online

Product Details: BoltsAndNuts.Com offers a large selection of wholesale bolts, nuts, hex cap screws, self-drilling screws, flange bolts, washers, socket products, and other fasteners. Products are available in various finishes, grades, and features. Customers can buy individual

pieces, packages, or bulk quantities.

Pros:
– Fast shipping with no order minimums.
– Products are quality tested to meet or exceed indu…
– Manufacturer certifications available upon request…
– Wide variety of products to fit different needs.

Cons:
– No specific cons mentioned on the website.

Large Diameter Industrial Fasteners, Bolt Blanks, Parts Made …

Spring Bolt & Nut Manufacturing – Critical Application Fasteners

Product Details: Spring Bolt and Nut Manufacturing produces precision-crafted bolts, nuts, studs, and machined components. They manufacture fasteners to ASTM, ASME, API, DIN, ISO, SAE, and ANSI standards or custom specifications. The company serves industries including Turbine,

Oilfield, Mining, Petrochemical, and Construction.

Pros:
– ISO 9001:2015 and API Q1 certified, ensuring high-…
– Holds the prestigious API 20E (BSL-1, BSL-2, BSL-3…
– Veteran-owned company with over 150 years of combi…
– Specializes in critical application, high integrit…
– Delivers products exactly as ordered and on time.

Cons:
– No information available on potential cons or draw…

Top 20 Fastener Manufacturers and Brands in the USA

Product Details: The website lists top US fastener manufacturers. Key companies include National Bolt & Nut Corporation, KD FASTENERS, INC., Penn Engineering & Manufacturing Corp., and STANLEY® Engineered Fastening.

Pros:
– Wide range of standard and custom fasteners availa…
– Extensive industry experience and engineering expe…
– Global distribution networks and multiple manufact…
– Innovative fastening and assembly solutions
– Full-service manufacturing and distribution capabi…
– Certified quality and superior service

Cons:
– Limited information on specific product pricing
– No direct comparison of product quality among list…
– No customer reviews or ratings provided on the web…

Patriot Bolt And Fastener: USA Specialty Bolt & Nut Company

Product Details: Patriot Bolt and Fastener manufactures US-made specialty bolts and nuts, including socket head cap screws, heavy hex head bolts, 12-point flange bolts, shoulder bolts, hex head cap screws, lock nuts, carriage bolts, and set screws.

These products are designed for the energy, oil, gas, and aerospace sectors, adhering to ISO 9001:2015 standards.

Pros:
– High strength and durability, suitable for extreme…
– Quick and dependable delivery, keeping projects on…
– Precision manufacturing with industry-recognized q…
– Superior customer service and tailored product rec…
– Robust materials like stainless steel or titanium…

Cons:
– No specific cons mentioned on the website.

Portland Bolt | Anchor Bolt and Construction Fastener …

Product Details: Portland Bolt manufactures and distributes high-quality anchor bolts and nonstandard construction fasteners. Products include standard and custom fasteners, with capabilities in hot-dip galvanizing. Facilities are located in Portland, OR, and North Augusta, SC.

Pros:
– Industry-leading lead times with in-house hot-dip…
– 2-day delivery from two U.S. locations
– Technical expertise and customer service since 191…
– Products made in the USA, suitable for domestic ma…
– Wide range of fasteners for diverse industries

Cons:
– No specific cons mentioned on the website
– No information on potential cost comparisons or co…

Comparison Table

Frequently Asked Questions (FAQs)

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What do the markings on the head of a bolt mean?

The markings on the head of a bolt identify the manufacturer and the standard the bolt was made to.

For example, a mark like “8.
8” indicates the bolt’s material properties, while another mark represents the manufacturer.
.

How do I select the right fastener size for my application?

When selecting a fastener, consider the number and size/strength needed, the material to resist environmental conditions, and the load and tension the fastener will withstand.

Tools like BOLTCALC can help you determine these requirements.
.

Does it matter whether I tighten the bolt head or the nut?

Yes, it does.

Generally, you should tighten the nut rather than the bolt head to ensure even distribution of force and to prevent damaging the bolt.
This is especially important for maintaining the integrity of the fastener.
.

What is the difference between coarse and fine threaded fasteners?

Coarse threaded fasteners (like UNC/UNRC) are common for general applications, while fine threaded fasteners (like UNF/UNRF) are used in precision applications.

Fine threads offer greater strength and resistance to vibration.
.

Should I always use a washer under the bolt head and nut face?

Using a washer can help distribute pressure and protect the surface from damage.

Plain washers are recommended to ensure even load distribution and prevent surface damage under the bolt head and nut face.
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