What if goods arrive rusty, damaged or short quantity?

Send clear photos/videos within 7 days after receiving goods. If caused by our packing or production, free re-delivery or refund is offered.

What's the warranty period?

12-month warranty for original material & production defects; damage from improper installation or harsh corrosive environment is not covered.

High-Standard High Precision Heavy-Duty Nut for Flange Connection

Name: High-Standard High Precision Heavy-Duty Nut for Flange Connection
Brand: Handan Lianhua Fastener Co. Ltd
SKU: 2169952842

Hebei, ChinaHandan Lianhua Fastener Co. Ltd

US$150.00

1 Ton

Product profile

Customization

Available

Type

Heavy Hex Nuts

Connection

Common Bolt

Model NO.

Nut

Head Style

Hexagonal

Grade

A194 2h

Surface

Plain, Black, Zinc, Dacromet, H.D.G. PTFE

Application

Connections with Bolts / Stud Bolts

Sizes Range

1/4'' to 4''

Application1

Structural Steel/Metal Buliding/Oil&Gas/Automobile

Transport Package

Bag/Carton

Specification

custom

Trademark

custom

Origin

China

Key features

Heavy-Duty Structure: Extra thick and tall design with superior load-bearing capacity for high-pressure flange connections.

Multi-Grade Stainless Steel: Available in duplex 2205, heat-resistant 321/660 for excellent corrosion and acid-alkali resistance.

Precision Rolled Thread: High machining precision ensures smooth assembly and resistance to stripping after repeated disassembly.

American Standard Compliance: Fully meets American fastener standards, compatible with B7, L7, B16 studs for direct replacement.

Zero Hydrogen Embrittlement: Natural anti-corrosion performance eliminates need for electroplating or black oxide treatment.

Customization Options: Offers customization from samples, designs, full customization, and flexible minor customization.

OEM/ODM Service: Provides OEM and ODM services with custom trademarks and packaging options.

Fast Delivery: In-stock goods ship within 1-3 days; custom items produced in 7-15 working days.

Company profile

Years of Export ExperienceQA/QC InspectorsQuality AssuranceManagement Certification

Handan Lianhua Fastener Co. Ltd

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.11h

About Our Factory & Business Background

AddressWest of Baita Village, Liu Han Township, Yongnian District, Handan City, Hebei Province, Handan, Hebei, China

Plant Area932 square meters

Number of Employees19

Registered Capital10,000,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)CIF, FOB, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity100 Pcs

Supply Chain Partners2

Our Production Capability & Technical Expertise

Main ProductsStud Bolt

Production Lines10

Production MachinesCutting Machine, Chamfering Machine, Thread Rolling Machine, Sand Blasting Machine

QA/QC inspectors1 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsFinished product checked by packing staff

R&D Engineers1 people

Traceability of Raw MaterialsYes

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2014-06-20

Main MarketsDomestic

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff4

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:What fasteners do you supply?

We supply American full threaded studs, heavy stainless steel nuts, spiral wound gaskets. Materials include B7/L7/B16, 304/316L/2205 duplex steel, both ANSI & GB sizes available.

Q:Can you provide material test certificates?

Yes, MTC & hardness test reports are supplied for every batch, third-party inspection is acceptable.

Q:What working conditions for different materials?

B7 for normal temp high pressure; L7 for low temperature; stainless steel resists acid & alkali; spiral wound gaskets seal high temp pipe flanges.

Q:How long before shipment after order?

In-stock goods ship within 1-3 working days; custom items take 7-15 working days for production.

Q:Can you provide customs clearance documents?

Full set documents including packing list, commercial invoice, CO, MTC are provided for smooth customs clearance.