High-Tensile Stud Bolts for Pressure Vessel and Heat Exchanger Applications

• Customization: Available
• Material: Carbon Steel, Stainless Steel, Alloy Steel
• Type: Round Head
• Model NO.: Stud Bolt
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN, ANSI, GB, JIS
• Grade: B7, B7m, B16b8, B8m; L7, L7m
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Plain/Zinc Plated/Black/H.D.G/PTFE
• Experience: for 20 Years
• Certificate: ISO9001:2008
• MOQ: 1000PCS
• Delivery Time: 10-15 Days
• Manufacture Processing: Cold Forging/ Hot Forging
• Quality Control: 100% QC Test
• Delivery Method: by Sea, by Air or by Express Service
• Sample: Sample Avaliable
• Transport Package: Bulk in Small Box, Then in Cartons
• Specification: M4-M56
• Trademark: JM
• Origin: China
• HS Code: 7318159001
• Production Capacity: 10000000PCS/Month
• Package Size: 30.00cm * 20.00cm * 14.00cm
• Package Gross Weight: 25.000kg

Product Description

Specification

Material	1.StainlessSteel:SS201,SS303,SS304,SS316,SS410,SS420 2.Steel:C45(K1045), C46(K1046),C20 3.Carbon Steel: 1010,1035,1045
Grade	SAE J429 Gr.2, 5,8; ASTM A307Gr.A,A193 B7,B8,B8M,A194 2H, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc.
Finish	Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G and etc.
Thread	UNC,UNF,UEF,UN,UNS
Standard	ISO, DIN, ANSI, JIS, BS and Non-standard
Sample Service	Samples are all in free.
Certificate	ISO9001,CE, SGS, BV
Packing	Bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Payment terms	FOB, CIF, CFR, L/C, or others.
Delivery method	by sea, by air or by express service
Application	Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating and etc.

Product Description

Precision Stud Bolts Manufactured by JM Hardware®

JM Hardware® manufactures stud bolts for industrial fastening applications requiring high strength, dimensional accuracy, and stable performance.

JM Hardware® supplies stud bolts in various materials, standards, thread types, and surface treatments to meet different working conditions, including high pressure, high temperature, and corrosive environments.

Both standard stud bolts and customized solutions based on drawings or technical requirements can be provided by JM Hardware®.

Certifications

Certified Quality System and Product Compliance by JM Hardware®

This street light features high brightness, energy saving, environmental protection, and easy installation. It has a waterproof rating of IP67 and has passed CE certification. It is suitable for schools, parks, roadsides, factories, squares, etc. It has a warranty period of 3 years. Moreover, we can provide various styles to meet your needs.

Why Choose JM Hardware

Reliable Manufacturing Partner — JM Hardware® 

JM Hardware® provides one-stop supply services and can assist customers in sourcing related industrial products when required.

With strong R&D capability, JM Hardware® has developed and supplied a wide range of customized fasteners for different industries over the years.

JM Hardware® combines rich industry experience, a professional service team, extensive export background, and registered trademarks in major international markets to ensure reliable cooperation and quality assurance.

Quality Control

Systematic Quality Control Throughout Production at JM Hardware®

At JM Hardware®, quality control is integrated into every stage of the manufacturing process.

From raw material inspection to finished product shipment, JM Hardware® follows defined inspection procedures, including material verification, in-process inspection, final inspection, and packaging checks.

This systematic quality control system at JM Hardware® helps ensure consistent product quality, dimensional accuracy, and mechanical performance.

Production & Testing Equipment

Advanced Production Facilities Supporting Stable Output at JM Hardware®

JM Hardware® is equipped with complete production facilities for fastener manufacturing, including cold heading, machining, heat treatment, and surface treatment processes.

The production equipment at JM Hardware® supports both standard production and customized orders, allowing flexible scheduling and stable quality for different batch sizes.

Professional Testing Capability Ensuring Product Reliability at JM Hardware®

This street light features high brightness, energy saving, environmental protection, and easy installation. It has a waterproof rating of IP67 and has passed CE certification. It is suitable for schools, parks, roadsides, factories, squares, etc. It has a warranty period of 3 years. Moreover, we can provide various styles to meet your needs.

Packaging & Shipping

Secure Packing and Flexible Shipping Solutions by JM Hardware®

JM Hardware® packs products according to customer requirements and product characteristics to ensure protection during transportation.

Common packing methods used by JM Hardware® include cartons, wooden cases, pallets, and customized packaging solutions.

With extensive export experience, JM Hardware® can support different delivery terms and logistics arrangements.

Global Customer Communication and Long-Term Cooperation with JM Hardware®

This street light features high brightness, energy saving, environmental protection, and easy installation. It has a waterproof rating of IP67 and has passed CE certification. It is suitable for schools, parks, roadsides, factories, squares, etc. It has a warranty period of 3 years. Moreover, we can provide various styles to meet your needs.

FAQ

FAQ — JM Hardware® Fasteners

1) Can JM Hardware® produce customized fasteners based on drawings?
A: Yes. JM Hardware® supports customized production based on drawings, samples, or technical requirements. Customers can provide drawings (PDF/DWG/STEP), material/specification requests, and key dimensions/tolerances. JM Hardware® will review feasibility, confirm process route, and provide a quotation with lead time.

 
2) What information should I provide to get a fast and accurate quotation from JM Hardware®?
A: For an efficient quotation, JM Hardware® recommends providing:

Product type (e.g., stud bolt, carriage bolt, bolt with internal thread)
Standard (ASTM/DIN/ISO/GB or customer spec)
Size (diameter × length), thread type (metric/inch)
Material grade (e.g., stainless steel, alloy steel, carbon steel)
Surface treatment (e.g., zinc plating, HDG, black oxide, phosphate)
Quantity and target delivery time
Application environment (if corrosion/high temperature is involved)
With complete details, JM Hardware® can respond faster and reduce back-and-forth.
 
3) What materials are available for JM Hardware® fasteners?
A: JM Hardware® offers fasteners in common industrial materials such as stainless steel, carbon steel, alloy steel, aluminum alloy, copper, and other special alloys based on customer requirements. Material selection can be aligned with strength requirements, corrosion conditions, and project standards.

 
4) What surface treatments can JM Hardware® provide?
A: JM Hardware® can provide multiple surface treatments based on application needs, such as zinc plating, hot dip galvanizing (HDG), black oxide, phosphate coating, and other customized finishes. If you have coating thickness or corrosion resistance requirements, JM Hardware® can align production and inspection accordingly.

 
5) Does JM Hardware® provide samples before mass production?
A: Yes. JM Hardware® can provide samples for confirmation when required. For standard items, available samples may be provided quickly. For customized items, JM Hardware® can arrange sample production after confirming drawings/specifications. Sample lead time depends on complexity and material availability.

 

6) How does JM Hardware® control quality?
A: JM Hardware® implements quality control throughout production, including:

Raw material verification and incoming inspection
In-process inspection during forming/machining/threading
Final inspection before packing and shipment
Packaging checks and traceability labeling
This systematic approach helps JM Hardware® maintain stable product quality and reduce installation risks.
 
7) What testing and inspection can JM Hardware® provide?
A: JM Hardware® can support dimensional inspection and mechanical property verification according to product requirements. Depending on standards and customer requests, JM Hardware® may provide checks such as hardness, tensile performance verification, thread inspection, and surface condition verification. Inspection reports can be provided when required.
 
8) Can JM Hardware® supply products with nuts, washers, or complete sets?
A: Yes. JM Hardware® can supply fasteners as complete sets (e.g., stud bolt + nuts, bolt + nut + washer combinations) according to your installation needs. This helps customers reduce sourcing workload and ensures matching components for assembly.
 
9) What are JM Hardware®'s typical packaging options?
A: JM Hardware® offers export-oriented packaging options such as cartons, wooden cases, pallets, and customized packaging. Labeling can include size, grade, quantity, heat/lot information, and customer-required marks. Packaging can be adjusted to match destination logistics and warehouse requirements.
 
10) What shipping terms and logistics support can JM Hardware® provide?
A: JM Hardware® supports common international shipping arrangements and can cooperate with customer-appointed forwarders or recommend suitable logistics solutions. Typical shipment methods include sea freight, air freight, and express delivery depending on order urgency and weight/volume.
 
11) What is JM Hardware®'s lead time for standard and customized orders?
A: Lead time depends on product type, material, surface treatment, and quantity. Standard items may have shorter lead times if stock or production schedule is available. Customized fasteners usually require additional time for drawing confirmation, tooling (if needed), and sample approval. JM Hardware® will confirm lead time clearly during quotation.

For more information about , please feel free to contact us for technical support and quotation.