Heavy Load U Bolt Industrial Equipment Fastening Durable & Reliable

• Customization: Available
• Material: Carbon Steel, Alloy Steel, Stainless Steel
• Type: Round Head
• Model NO.: U bolts
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN, ANSI, GB, JIS
• Grade: A2-50~A4-80
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Plain, Zinc Plated, Dacromet, H.D.G
• Certificate: ISO9001:2008/Ts16949
• Thread: Unc Unf Metric
• Length: 3mm-3000mm
• MOQ: 1000PCS
• Transport Package: Bulk,Carton,Bag,Small Packing,Small Box,Poly Bag
• Specification: M3-M72(3/16''- 4'')
• Trademark: JM Hardware ®
• Origin: Shanghai
• HS Code: 73181500
• Production Capacity: 10000000PCS/Month
• Package Size: 30.00cm * 20.00cm * 14.00cm
• Package Gross Weight: 36.000kg
• Lead Time: 14 days (1 - 500 Pieces) ; To be negotiated ( > 500 Pieces)

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

U Bolt for Pipe, Tube, and Structural Fixing

JM Hardware® manufactures U bolts designed for pipe clamping, tube fixing, and structural support applications.

JM Hardware® U bolts are widely used in pipelines, mechanical equipment, steel structures, automotive components, and mounting systems where stable positioning and reliable fastening are required.

JM Hardware® supplies standard U bolts as well as customized solutions based on pipe diameter, bending radius, drawings, and application requirements.

Certifications

Certified Manufacturing and Quality Compliance

JM Hardware® operates under internationally recognized quality management systems and relevant fastener standards.

U bolts produced by JM Hardware® are supported by quality management certifications and controlled production procedures to ensure consistent quality and compliance.

Certification documents and inspection records from JM Hardware® can be provided upon request.

Why Choose JM Hardware

Professional Manufacturer for Customized U Bolts

JM Hardware® provides reliable U bolt solutions for various industrial and structural applications.

With strong forming and bending capability, JM Hardware® supports different sizes, materials, coatings, and customized shapes.

JM Hardware® combines rich manufacturing experience, a professional service team, and extensive export background to ensure stable supply and dependable cooperation.

Quality Control

Dimensional Accuracy and Surface Quality Control

At JM Hardware®, quality control is applied throughout the entire production process of U bolts.

From raw material inspection to bending, threading, surface treatment, and final inspection, JM Hardware® follows defined procedures to ensure dimensional accuracy and coating consistency.

This quality control system at JM Hardware® helps ensure reliable fixing performance in different installation environments.

Production & Testing Equipment

Flexible Equipment for Bending and Threading

JM Hardware® is equipped with professional production facilities for U bolt manufacturing, including bending machines, threading equipment, and surface treatment processes.

The production equipment at JM Hardware® supports both standard U bolts and customized designs with stable quality output.

Mechanical and Dimensional Verification

JM Hardware® conducts mechanical and dimensional testing on U bolts using professional testing equipment.

Testing items may include tensile strength, hardness, dimensional inspection, and thread accuracy according to applicable standards and customer requirements.

Test reports issued by JM Hardware® can be provided when required.

Packaging & Shipping

Secure Packing for Different Sizes and Lengths

JM Hardware® packs U bolts according to product size, shape, and customer requirements to ensure safety during transportation.

Packing solutions provided by JM Hardware® include cartons, pallets, wooden cases, and customized export packaging.

JM Hardware® supports different delivery terms and international logistics arrangements.

Trusted by Global Industrial Customers

JM Hardware® regularly participates in international exhibitions and supplies U bolts to customers in pipeline, mechanical, and structural industries.

Through exhibitions and customer communication, JM Hardware® continuously improves its understanding of application requirements.

Factory visits, audits, and on-site inspections at JM Hardware® are always welcome.

FAQ

FAQ — 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 JM Hardware®, please feel free to contact us for technical support and quotation.