Struggling to find a reliable B8 nuts supplier? You’re not alone—choosing the right manufacturer can be overwhelming, especially when quality and deadlines are on the line. The difference between an average provider and a top-notch factory can mean smoother projects and lasting partnerships. We’ve done the hard work for you by comparing the leading B8 nuts supplier factories. Discover who stands out and why—so you can source with confidence. Read on to find your best match!

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ASTM A193 Grade B8 Stud Bolts – Boltport Fasteners

Product Details:
ASTM A193 Grade B8 Stud Bolts are high strength 304 stainless steel bolts, provided with A194-8 nuts, designed for bolting carbon and stainless steel pipelines. Boltport manufactures and supplies fully threaded, tap end, and double end stud bolts in Class 1, Class 2, and Class 2B variants, available in both metric and imperial sizes, and with coarse, fine, and extra fine threads. All products comply fully with ASTM A193 Grade B8 specification and are supplied with a 3.1 certificate.

Technical Parameters:
– Material: 304 stainless steel (ASTM A193 Grade B8)
– Sizes: Metric M6 to M152; Inch ¼” to 8″
– Thread options: Metric (ISO, ASME), Imperial (ASME, BSW, BSF) with coarse, fine
– Thread standards: ISO 68-1, ISO 268, ISO 724, ASME B1.1, ASME B1.13M, BS 84, BS

Application Scenarios:
– Bolting carbon steel pipelines
– Bolting stainless steel pipelines
– Industrial pipeline assemblies

Pros:
– High strength and corrosion resistance due to 304 stainless steel
– Wide size and thread type range available (metric and imperial)
– Full compliance with ASTM A193 Grade B8 and supplied with authentic 3.1

Cons:
– Specific to ASTM A193 Grade B8; may not be suitable for applications requiring
– Primarily designed for pipeline bolting—less versatile for other fastening uses

ASTM A193 B8 Bolts – Vinesh Steel

Product Details:
ASTM A193 Grade B8 Bolts, Nuts, Studs, and Fasteners made from austenitic stainless steel, primarily 304 stainless steel, suitable for high temperature and high pressure applications.

Technical Parameters:
– Material: Austenitic stainless steel (type 304/304L/304LN as per ASTM A193 B8)
– Tensile strength: minimum 75 ksi (515 MPa)
– Available forms: hex bolts, studs, threaded rods, nuts, washers
– Size range: M3 to M56, 3/6″ to 2″ diameter

Application Scenarios:
– Petrochemical industries
– Pressure vessels and heat exchangers
– Power generation plants
– Construction and infrastructure projects

Pros:
– High corrosion resistance for use in harsh environments
– Good mechanical strength at elevated temperatures
– Wide range of sizes and custom manufacturing available
– Compliant with international ASTM standards

Cons:
– Not suitable for applications requiring higher strength than standard
– Potential for stress corrosion cracking in chloride-containing environments

ASTM A193 Grade B8 Stud Bolts – Lightning Bolt & Supply Inc.

Product Details:
ISO 9001 certified manufacturer Lightning Bolt & Supply offers ASTM A193 Grade B8 Stud Bolts in various sizes, along with a large inventory of ASTM A194 Grade 8 & 8M stainless heavy hex nuts. These stud bolts are commonly used in industrial pipe and valve assemblies and are nearly identical to grade 18/8 & 304 stainless steel.

Technical Parameters:
– Material: Austenitic stainless steel Type 304 (18% Chromium, 8% Nickel)
– Conforms to ASTM A193/A193M specification for pressure vessels, valves, flanges
– Heat treatments: Carbide solution treated (Class 1), Carbide solution treated
– Mechanical properties examples: Minimum tensile strength for B8 (Class 1 and

Application Scenarios:
– Assembly of industrial pipes and valves
– Use in pressure vessels and flanges
– High temperature industrial service environments

Pros:
– In stock with a wide selection of sizes and grades
– ISO 9001 certified manufacturing ensuring quality standards
– Nearly identical to widely used 18/8 & 304 stainless steel offering good
– Industry experience over 25 years and ability to supply globally

Cons:
– Austenitic stainless steel fasteners can not be through-hardened
– Specialized heat treatments and classes may add complexity for specifying exact

SS ASTM A193 Fasteners, SS B8 Nuts, SS ASTM A193 B8 Bolts Manufacturers

Product Details:
ASTM A193 B8 Fasteners including bolts, nuts, screws, washers and stud bolts made from austenitic stainless steel, manufactured and exported by Asiad Steels.

Technical Parameters:
– Material: Austenitic Stainless Steel conforming to ASTM A193 Grade B8
– Types include: Hex bolts, Heavy Hex bolts, Studs, Nuts, Screws, Washers
– Size Range: M6 to M100 & Custom sizes
– Thread Type: Metric & UNC/UNF

Application Scenarios:
– Petroleum and chemical industry equipment
– Power generation plants
– Heavy engineering and construction projects
– High-temperature service and corrosive environments

Pros:
– Excellent corrosion resistance
– High tensile strength and durability
– Suitable for high temperature and high-pressure applications
– Compliance with ASTM A193 standards ensures quality and reliability

Cons:
– Potential higher cost compared to standard carbon steel fasteners
– Stainless steel may not be suitable for some extreme acidic or chloride

ASTM A193 Grade B8 Stainless Steel Stud Bolts | STS Industrial

Product Details:
ASTM A193 Grade B8 stud bolts are threaded fasteners manufactured from austenitic stainless steel, designed for use in high-temperature and high-pressure environments. They are commonly supplied with nuts and are used to connect flanges and other equipment.

Technical Parameters:
– Material: ASTM A193 Grade B8 (austenitic stainless steel, similar to 304
– Thread types: Available in UNC (Unified National Coarse) and UNF (Unified
– Diameter range: 1/4 inch to 4 inches
– Typically supplied with A194 Grade 8 nuts

Application Scenarios:
– Petrochemical and refining industries
– Oil and gas pipelines and processing plants
– High-pressure and high-temperature flange connections
– Power generation equipment

Pros:
– Excellent corrosion resistance
– High tensile strength suitable for demanding environments
– Compliant with industry standards (ASTM A193)

Cons:
– Generally more expensive than carbon steel alternatives
– Not suitable for environments containing certain chemicals (e.g., high

ASTM A193 B8 Studs and Bolts – technical threads

Product Details:
Technical Threads offers a wide range of fasteners, primarily focusing on ASTM A193 B8 studs and bolts, along with various grades and associated fastener types including specialty fasteners, coatings, and gaskets suitable for piping systems and industrial applications.

Technical Parameters:
– ASTM A193 B8 specification for studs and bolts (covers austenitic stainless
– Available in various grades: B8, B8C, B8S, B8T, B7, B16, B5, B6, A307, A449,
– Options for specialty coatings such as GP-29-02-13, Sermatech SermaGard
– Available in various stainless steel grades (304SS, 316SS, 304L, 316L, 317L)

Application Scenarios:
– Industrial piping systems requiring corrosion-resistant fasteners
– Petrochemical, chemical processing, and power generation environments
– Applications requiring compliance with ASTM and ASME standards
– Projects that require custom gasket and fastener kits for flange joints

Pros:
– Wide selection of certified ASTM/ASME fasteners and specialty alloys
– Corrosion resistance due to stainless steel and specialty coated options
– Comprehensive range of products for diverse industrial applications
– Technical resources, data sheets, and FAQ support for product selection

Cons:
– No detailed pricing or availability information provided
– Technical details for individual fasteners (dimensions, mechanical properties)

Astm A193 Grade B8 B8T B8M Hex Bolt Nuts Stud Manufacturers

ASTM A193 B8 Hex Bolts, SA193 Grade B8, A193 B8 Studs and B8 Screws

Product Details:
Industrial-grade ASTM A193 B8 fasteners including bolts, studs, hex bolts, threaded rods, nuts, and washers; manufactured in India and available in custom sizes. These fasteners conform to international standards such as ASTM, ASME, DIN, ISO, and are supplied globally.

Technical Parameters:
– Bolt sizes: M2 to M24; Nut sizes: M3 – M56; Length: 3 mm to 200 mm; Screw size:
– Material: ASTM A193 Grade B8 stainless steel; Thread types: BSF, UNF, METRIC,
– Temperature resistance: Up to 427°C; Melting point: 1400 – 1450°C
– Surface finishes: HDG, Phosphating, Passivation; Manufacturing techniques: Hot

Application Scenarios:
– Pressure vessel and piping applications requiring high strength and ductility
– Oil and Gas Industry installations
– High temperature and high-pressure environments
– Industrial use where conformance to ASTM/ASME standards is required

Pros:
– Suitable for high temperature (up to 427°C) and high-pressure applications
– Compliant with multiple international standards (ASTM, ASME, DIN, ISO, etc.)
– Available in a wide range of sizes and custom options with fast delivery
– Provides full certification and testing (UT, PMI, Radiography, EN 10204/3.1B)

Cons:
– Limited information on resistance to specific corrosive environments
– Potentially higher cost compared to non-certified or standard fasteners

ASTM A193 Grade B8 Bolts | ASME SA193 B8 Class 1 Studs/Hex – Simplex Steel

Product Details:
Manufacturer and supplier of ASTM A193 Grade B8 Stud Bolts, Hex Bolts, Heavy Hex Bolts, Threaded Rod, and Socket Head Cap Screws, made from stainless steel 304 and offered in Class 1 and Class 2 with various certifications and packaging options.

Technical Parameters:
– Dimensions: ASME B18.2.1, B18.3
– Thread Configuration: ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric
– Product Origin: Made in India; Melt Origination available from South America,
– Dual certified as per ASTM & ASME Codes, PED 97/23/EC, Merkblatt AD 2000 W2,

Application Scenarios:
– Industrial and high-temperature applications requiring corrosion-resistant
– Situations involving welding where intergranular corrosion protection is needed
– Applications requiring hardware compliant with petrochemical, oil & gas, and

Pros:
– Made from stainless steel 304, known for good corrosion resistance and strength
– Available in multiple classes with solution annealing and strain hardening
– Wide range of certifications and compliance to international standards (ASTM,
– Flexible packaging and delivery options for global supply

Cons:
– Class 1 requires solution annealing, making production more complex for
– May not contain molybdenum or copper unless using specialized grades like

ASTM-A193 B7, B7M, B8, & B8M Stud Bolts – Brazos Fasteners

Product Details:
Brazos Fasteners supplies a wide range of industrial fasteners including ASTM-A193 B7, B7M, B8, and B8M stud bolts, as well as headed bolts, nuts, washers, all thread rods, gaskets (including spiral wound gaskets and ring type joints), metric fasteners, U-bolts, anchors, screws, and more.

Technical Parameters:
– ASTM-A193 B7, B7M, B8, and B8M stud bolts available
– Various fastener materials and grades, including stainless steel and galvanized
– Standard and metric sizes offered
– Associated products include nuts, gaskets, washers, and threaded rod to match

Application Scenarios:
– Petrochemical industry
– Oil & gas applications
– New construction projects
– Automotive industry

Pros:
– Wide selection of fastener types and material grades
– 24/7 call-out and customer support availability
– Products suitable for demanding industrial environments
– Ability to request custom quotes for specialized needs

Cons:
– No detailed technical specifications (dimensions, load ratings, certifications)
– Specific product performance data or certifications not clearly provided
– Potential buyers may need to contact for complete technical details

Comparison Table

Company	Product Details	Pros	Cons	Website
ASTM A193 Grade B8 Stud Bolts – Boltport Fasteners	ASTM A193 Grade B8 Stud Bolts are high strength 304 stainless steel bolts,	High strength and corrosion resistance due to 304 stainless steel Wide size and	Specific to ASTM A193 Grade B8; may not be suitable for applications requiring	a193gradeb8.com
ASTM A193 B8 Bolts – Vinesh Steel	ASTM A193 Grade B8 Bolts, Nuts, Studs, and Fasteners made from austenitic	High corrosion resistance for use in harsh environments Good mechanical	Not suitable for applications requiring higher strength than standard	www.vineshsteel.com
ASTM A193 Grade B8 Stud Bolts – Lightning Bolt & Supply Inc.	ISO 9001 certified manufacturer Lightning Bolt & Supply offers ASTM A193 Grade	In stock with a wide selection of sizes and grades ISO 9001 certified	Austenitic stainless steel fasteners can not be through-hardened Specialized	lightningboltandsupply.com
SS ASTM A193 Fasteners, SS B8 Nuts, SS ASTM A193 B8 Bolts Manufacturers	ASTM A193 B8 Fasteners including bolts, nuts, screws, washers and stud bolts	Excellent corrosion resistance High tensile strength and durability Suitable	Potential higher cost compared to standard carbon steel fasteners Stainless	www.asiadsteels.com
ASTM A193 Grade B8 Stainless Steel Stud Bolts	STS Industrial	ASTM A193 Grade B8 stud bolts are threaded fasteners manufactured from	Excellent corrosion resistance High tensile strength suitable for demanding	Generally more expensive than carbon steel alternatives Not suitable for
ASTM A193 B8 Studs and Bolts – technical threads	Technical Threads offers a wide range of fasteners, primarily focusing on ASTM	Wide selection of certified ASTM/ASME fasteners and specialty alloys Corrosion	No detailed pricing or availability information provided Technical details for	www.tech-threads.com
Astm A193 Grade B8 B8T B8M Hex Bolt Nuts Stud Manufacturers				www.raajsagarsteels.com
ASTM A193 B8 Hex Bolts, SA193 Grade B8, A193 B8 Studs and B8 Screws	Industrial-grade ASTM A193 B8 fasteners including bolts, studs, hex bolts,	Suitable for high temperature (up to 427°C) and high-pressure applications Compl	Limited information on resistance to specific corrosive environments Potentially	siddhgiritubes.com
ASTM A193 Grade B8 Bolts	ASME SA193 B8 Class 1 Studs/Hex – Simplex Steel	Manufacturer and supplier of ASTM A193 Grade B8 Stud Bolts, Hex Bolts, Heavy	Made from stainless steel 304, known for good corrosion resistance and	Class 1 requires solution annealing, making production more complex for
ASTM-A193 B7, B7M, B8, & B8M Stud Bolts – Brazos Fasteners	Brazos Fasteners supplies a wide range of industrial fasteners including	Wide selection of fastener types and material grades 24/7 call-out and customer	No detailed technical specifications (dimensions, load ratings, certifications)	www.brazosfasteners.com

Frequently Asked Questions (FAQs)

How do I find reliable B8 nuts supplier factories or manufacturers?
Start by searching on major B2B platforms like Alibaba, Made-in-China, or Global Sources. You can also attend relevant trade fairs or get recommendations from industry contacts. Always check the supplier’s credentials and reviews before proceeding.

What should I look for when comparing different B8 nuts manufacturers?
Focus on their product quality, certifications (like ISO 9001), production capacity, lead time, customization options, and their experience in exporting. Compare pricing but don’t compromise on quality or reliability.

How can I verify the quality of B8 nuts before placing a large order?
Request product samples and ask for material test reports or certifications. You can also arrange for third-party inspections at the factory before shipment to ensure the nuts meet your requirements.

Are there minimum order requirements when working with B8 nuts factories?
Yes, most manufacturers have minimum order quantities (MOQs), which vary by supplier. Clarify MOQs early in your discussions to ensure their terms fit your business needs.

What are common payment terms with B8 nuts suppliers, and how do I minimize risks?
Common terms include T/T (bank transfer), L/C (letter of credit), or even PayPal for small orders. To minimize risk, consider using secure payment methods and start with smaller orders to build trust before scaling up.