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Standard terms are FOB, CIF, EXW. Payment methods include SWIFT TT transfer, D/P, and LC at sight (negotiable for bulk orders).

What is the minimum order quantity?

The minimum order quantity is 500 Kgs.

What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays. Delivery is typically 35 days after order confirmation.

ASTM A325 Heavy Hexagonal Structural Bolt Hex Head Bolt

Name: ASTM A325 Heavy Hexagonal Structural Bolt Hex Head Bolt
Brand: Ningbo Kingli Fastener Co., Ltd.
SKU: 2256762765

Zhejiang, ChinaNingbo Kingli Fastener Co., Ltd.

US$0.25

1,000 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

A325

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

10.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Hot Galvanizing

Delivery Date

35 Days After Order Confirmed

Certificate

API,ISO9001,CPR,PED,Ad2000

Surface Coating

Black, Zinc, HDG, Phosphated, Dacromet etc.

Used

Machinery, Chemical Industry

Transport Package

25kg/Carton, 960kg/Pallet

Specification

M6~M100; 1/4-4"

Trademark

KLF

Origin

China

HS Code

7318159090

Production Capacity

1000ton /Month

Key features

Customizable Surface Coating: Available in Black, Zinc, HDG, Phosphated, Dacromet, and PTFE finishes.

Wide Size Range: Bolts from M3 to M160, nuts from 1/2' to 4', including non-standard designs.

International Certifications: Certified with ISO9001, API, PED, AD2000, and CPR for global compliance.

Custom Packaging Options: Flexible packaging in wooden boxes or fumigated trays, customizable to needs.

Fast Delivery: Delivery within 35 days after order confirmation for standard items.

Rigorous Quality Assurance: Two-stage QA including pre-production checks and full batch pre-shipment inspection.

Versatile Industry Application: Suitable for machinery, oil & gas, construction, shipbuilding, and energy sectors.

OEM/ODM Service: Supports customized fastener solutions and specialty non-standard parts.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExhibition Experience

Ningbo Kingli Fastener Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedExport Year: 15 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤4.29h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryThe supplier is a certified manufacturer specializing in fasteners and machined components, with a strong emphasis on customization and international compliance standards. Despite limited after-sales service documentation and no overseas facilities or showrooms, the supplier demonstrates robust production and export capabilities. Financial data is consistently reported over the past three years, indicating financial stability. The supplier also provides OEM and ODM services, underscoring its innovation capability.

Supplier typeThe supplier is an ISO9001:2015 certified manufacturer of fasteners and related products, with additional certifications for oilfield equipment and pressure vessels.

CertificationsThe supplier holds multiple certifications including ISO9001:2015, AD2000 Merkblatt W0, API 20E-0066 BSL2, and PED, ensuring adherence to international standards.

Financial creditFinancial data is provided consistently over the last three years, suggesting stable financial management.

R&D capabilityThe supplier offers ODM services and has introduced new products in the past year, although it lacks SDK availability.

Production capacityThe supplier operates 6 production lines with significant annual output across various products, indicating strong production capability.

Customization capabilityThe supplier provides extensive customization options, from samples to full customization, demonstrating flexibility.

Product Q&A

Q:Are you a trading company or manufacturer?

We are an integrated manufacturer with our own factory. Our modern 18,000 sqm (20-acre) facility enables us to produce high-quality fasteners and specialized parts.

Q:What is your product range?

KLF specializes in cold/hot forged bolts (1/2' to 3' diameter) and nuts (1/2' to 4' diameter). We produce both standard fasteners and customized specialty/non-standard parts.

Q:What are your packing methods?

Options include 25kg/box with 36 boxes/pallet, 20kg/box with 48 boxes/pallet, or 15kg/box with 48 boxes/pallet. All options are available with or without fumigation trays.

Q:What is your quality assurance system?

We employ a rigorous two-stage QA protocol: Pre-production dimensional checks on samples and pre-shipment full batch inspection including raw material, process, and finished product checks to ensure compliance with standards.

Q:Which industries do your products serve?

Widely used in machinery assembly, oil & gas projects, structural steel construction, shipbuilding, and wind/solar energy installation systems.