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.

ASTM A193 Gr. B7, B7m, B16, A193. B8, B8m; A320 L7, L7m Stud Bolt

Name: ASTM A193 Gr. B7, B7m, B16, A193. B8, B8m; A320 L7, L7m Stud Bolt
Brand: Handan Lianhua Fastener Co. Ltd
SKU: 2196667212

Hebei, ChinaHandan Lianhua Fastener Co. Ltd

US$1.00

1 Piece

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

Bolts

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST, ASTM

Grade

12.9

Application

Machinery

Finish

Customized

Transport Package

Customized

Specification

1/2-4

Trademark

customized

Origin

China

Production Capacity

5000ton/Year

Key features

High Strength Alloy Steel: Made from B7/B7M/L7/L7M alloy steel with quenched and tempered treatment for superior strength.

Full Length Continuous Thread: Adjustable length suitable for various thickness flanges with roll precision threads.

Blackened Rust Proof Finish: Blackened surface treatment prevents rust without risk of galvanized hydrogen embrittlement.

Wide Temperature Resistance: Materials available for both high temperature and low temperature working conditions.

Multiple Standard Compliance: Meets DIN, ANSI, GB, JIS, BSW, GOST, and ASTM standards including ASME/ASTM.

Customizable Finish Options: Available in Plain, Blackoxide, Zinc Plated, H.D.G, Dacromet, Geomet, and Magni finishes.

Complete Set Shipment: Supplied with matching hexagonal nuts of the same material for immediate assembly.

OEM and ODM Services: Supports full customization from samples or designs with logo customization available.

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: ≤11.23h

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.