How do you ship goods?

We offer Sea shipping (FCL/LCL) for economy, Air freight for speed, and Express couriers for samples.

What is the average delivery time?

Standard products take 5-7 days. Custom orders take 15-25 days.

M4 M20 Lag Bolts Zinc Plated for Durability

Name: M4 M20 Lag Bolts Zinc Plated for Durability
Brand: Zhejiang ChengJun Industrial Co., Ltd.
SKU: 2221397655

Zhejiang, ChinaZhejiang ChengJun Industrial Co., Ltd.

US$0.01-1.00

5,000 Boxes

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

DIN571

Connection

Common Bolt

Standard

DIN, GB

Grade

4.8

OEM

Available

Surface Treatment

Galvanized/Colored Zinc/Blue and White Zinc/Origi

Delivery Date

Within 7 Days If in Stock

Supply Ability

10000000 Piece/Pieces Per Day

Transport Package

Carton with Pallet

Specification

M4-20

Trademark

Xinchi

Origin

China

HS Code

7318160000

Production Capacity

5billion/Year

Key features

ISO 9001 Certified Quality: Manufactured under ISO9001/2000, FSC, and BSCI international quality management systems.

Fast Delivery for Stock Items: Standard products ship within 5-7 days; stock items delivered within 7 days.

Custom Surface Treatment: Offers Galvanized, Colored Zinc, Blue and White Zinc, Black Oxide, and other customized finishes.

High Supply Capacity: Supply ability of 10,000,000 pieces per day ensures large order fulfillment.

Free Sample Availability: Free samples provided for testing; customer only covers shipping costs via DHL/FedEx/UPS.

Flexible Payment Terms: Accepts 30% deposit + 70% balance, L/C at sight, and flexible terms for repeat orders.

Professional Manufacturer: Specialized fastener manufacturer with over 100 employees and 10,100 sqm workshop area.

Wide Size Range: Available in Metric and Imperial systems, covering sizes from M4 to M20.

Company profile

High Repeat Buyers ChoiceImporters and ExportersIn-stock CapacityFast Delivery

Zhejiang ChengJun Industrial Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2020-02-12Nearest Port: Port of Ningbo, Port of Deqing, Port of YiwuAverage Response Time: ≤6.93hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryThe supplier is a combined company engaged in fastener, mold, and hardware manufacturing, with related sales, research and development, and import/export activities. It holds ISO 9001 certification and reports documented procedures for supplier service assessment, corrective and preventive actions, and finished-product inspection. The supplier demonstrates professional technical R&D capability, 3D design services, ODM and OEM services, and broad customization options. Its production equipment includes cold heading, thread tapping, and punching machines. However, no new product was reported in the past year, no SDK is available, and no overseas warehouse, showroom, agent, branch, or offline trade-show participation was reported. Financial records are indicated for multiple years, but no actual financial performance data is provided. Customer-related claims include OEM service for well-known brands, but no specific customer names or verifiable case details are supplied.

Supplier typeThe supplier is identified as a combined company with a factory located in Jingcun Village, Tian Huangping Town. Its stated scope covers fastener and mold manufacturing, hardware production and R&D, sales, and import/export activities, indicating a manufacturing-oriented supplier with supporting trading and development functions.

CertificationsThe supplier reports holding ISO 9001 certification for its supplier management systems. This is explicit evidence of a recognized quality-management certification.

After-Sales capabilityThe supplier states that it has written procedures and followed records for assessing effective supplier service capability, as well as a documented corrective and preventive action mechanism. Its customer-oriented statements also emphasize service, but no specific after-sales response times, warranty terms, or service channels are provided.

Production capacityThe supplier manufactures fasteners, molds, and hardware products and lists cold heading, thread tapping, and punching machines as combined facilities. It also has documented and uniformly followed finished-product inspection instructions, providing direct evidence of manufacturing and inspection capability.

Customization capabilityThe supplier explicitly offers flexible customization, sample-based customization, minor customization, full customization, and design-based customization. Its 3D design service, ODM capability, and OEM service further support the ability to develop or manufacture products to customer requirements.

Product Q&A

Q:Are you a factory or trading company?

We are a professional fastener manufacturer with ISO9001 certification, specializing in cold forged nuts production since 2007.

Q:Can I visit your factory?

Yes, our 1000+ sqm factory in Zhejiang is open for visits. We are located 1.5 hours from Hangzhou and 3 hours from Shanghai.

Q:How can I get an accurate quote?

Please provide product specifications (type, size, material), quantity requirements, and any special technical requirements. We respond within 24 hours.

Q:What are your payment terms?

We accept 30% deposit + 70% balance before shipment, L/C at sight, and flexible terms for large or repeat orders.

Q:Can I get free samples?

Yes, free samples are available for testing. The customer only needs to pay for shipping via DHL, FedEx, or UPS.