What is the warranty period?

The product warranty period is 12 months. If quality defects are found, we will repair or replace defective parts.

What happens if the quantity is short upon receipt?

If the buyer finds quantity is short within 20 calendar days, the seller shall supplement the quantity or compensate the buyer.

Do you provide third-party certifications?

Yes, we can provide certifications such as RoHS and REACH reports upon request before inquiry.

High Tensile Hex Socket Large Flange Nut Grade 12.9 M8 M10 M12 M16 M20

Name: High Tensile Hex Socket Large Flange Nut Grade 12.9 M8 M10 M12 M16 M20
Brand: Xiamen Changchun Import & Export Co., Ltd.
SKU: 2277192665

Fujian, ChinaXiamen Changchun Import & Export Co., Ltd.

US$0.03

5,000-9,999 Pieces

US$0.028

10,000-99,999 Pieces

US$0.026

100,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Round Head

Model NO.

CC-1045A

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

8.8

Mode of Action

Hand Screwing

Thread Diameter

4.9 mm

Management System

GB/T19001-2016/ISO9001:2015

Nut Length

9 mm

Specification Available

5mm,6mm 7mm 8mm 9mm 10mm

Nut Thread Available

M4,M5,M6,M8

Custom

Yes

Mode of Transport

Air, Sea, Road Transport

Thread Available

Unf, Unc, Metric Thread

Finish Available

Bright Nickel, Zinc Plated, Black Zinc

Transport Package

Box/Carton/Pallet/Plywood Cases

Specification

M5 X 7.9 mm

Trademark

CHANG CHUN

Origin

Xiamen China

HS Code

7318160000

Production Capacity

800 Tons / Month

Key features

Superior Load Distribution: Large flange acts as built-in washer to spread clamping force and prevent material deformation.

Excellent Vibration Resistance: Serrated flanges bite into surfaces to create a mechanical lock, resisting loosening under vibration.

High Torque Transmission: Internal hex socket allows efficient torque application with an Allen key without slippage.

Space Saving & Aesthetic: Low profile design provides a stable base while maintaining a clean, finished appearance.

Multiple Material Options: Available in carbon steel, stainless steel (304, 316), and alloy steel for strength and corrosion resistance.

Efficient Assembly: One-piece design combines nut and washer functions, simplifying inventory and speeding up assembly.

Customization Available: Supports customized thread diameters, specifications, and finishes like Bright Nickel or Zinc Plated.

Professional Manufacturer: 9 years experience with professional engineers monitoring quality and providing OEM/ODM services.

Company profile

Xiamen Changchun Import & Export Co., Ltd.

Fujian, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2017-05-19Nearest Port: xiamenAverage Response Time: ≤1.22hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryXiamen Changchun Import & Export Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory. It produces high-strength and construction fasteners, including bolts, nuts, screws, and non-standard fasteners, and reports more than ten production lines and monthly capacity of 1,000 tons. The supplier serves broad international markets, with exports representing 90% of total sales and self-operated import/export rights. ISO 9000, ISO 9001, and ISO 14001 certifications are reported, alongside quality-control procedures and testing equipment. The company states that it provides customized services and has more than ten years of screw-manufacturing experience, but the slices provide limited independently verifiable information on after-sales performance, financial strength, innovation outputs, or named customer cases.

Supplier typeThe supplier is explicitly identified as both a trading company and manufacturer/factory. Its stated business focuses on producing high-strength and construction fasteners, while its product keywords include bolts, nuts, screws, CNC parts, and related hardware.

CertificationsThe supplier reports ISO 9000, ISO 9001, and ISO 14001 certifications, and specifically states certification by ISO9001 through Moody International and CQC. It also describes documented process controls from raw-material processing through production, supported by quality inspectors and testing equipment.

Production capacityThe supplier reports monthly production capacity of 1,000 tons, more than ten production lines, and over ten years of screw-manufacturing experience. Its quality system includes process controls, inspectors, and testing equipment, indicating established production infrastructure for fasteners.

Customization capabilityThe supplier explicitly states that it provides customized service and produces non-standard fasteners. Its listed capabilities cover multiple fastener types and CNC machining-related products, supporting product customization, although specific customization limits and engineering workflows are not described.

Product Q&A

Q:Are you a trading company or a manufacturer?

We are an Industry & Trade Company.

Q:What is your product range?

Our product range includes screws, nuts, knobs, bolts, washers, rivets, anchors, and CNC parts. Non-standard products are also accepted.

Q:Which industries are your products suitable for?

Our products are widely used in machine assembly, electronics, constructional engineering, furniture cabinets, etc.

Q:What are your advantages?

We are a professional manufacturer with 9 years of experience. We provide solutions in production design, process, packaging, and after-sales service.

Q:What services do you offer?

We provide Non-standard/standard/OEM/ODM/customized service.