What is the monthly production capacity?

The production capacity is 1500 tons per month, supported by over 100 high-speed multi-station cold heading machines.

What quality control measures are in place?

We perform 100% inspection (visual and function) on finished products, managed by 3 dedicated QA/QC inspectors.

What are the common applications for these bolts?

These hex flange head bolts are primarily used in machinery, building construction, automobiles, mining, and agricultural machinery.

Hex Flange Head Bolt Carbon Steel Black High Strength

Name: Hex Flange Head Bolt Carbon Steel Black High Strength
Brand: Hebei Chuangke Fastener Manufacturing Co., Ltd.
SKU: 2169481525

Hebei, ChinaHebei Chuangke Fastener Manufacturing Co., Ltd.

US$0.01

1,000 Pieces

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

DIIN6921

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN

Grade

8.8

Application

Machinery, Building

Finish

Blue-White Zinc Plated

Shipping

Express

Color

Plain

Shape

Hexagonal

Material2

Carbon Steel

Transport Package

Pallets, Cartons, Plastic Bags, Foam

Specification

4.8, 8.8, 10.9, 12.9

Trademark

Origin

China

Production Capacity

900tons/Month

Key features

High Strength Grades: Available in DIN standard grades 4.8, 8.8, 10.9, and 12.9 for machinery and building applications.

Customizable Options: Supports customization for color, shape, and material based on samples or designs.

Large Production Capacity: Monthly production capacity of 1500 tons with 100+ high-speed cold heading machines.

Strict Quality Control: 100% visual and function inspection for finished products with 3 dedicated QA/QC inspectors.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Established Manufacturer: Class A enterprise established in 2009 with ISO certification and high customer trust.

Wide Application Range: Suitable for automobiles, mining, agricultural machinery, and general construction.

Fast Delivery Options: Off-season lead time within 15 workdays; peak season lead time one month.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityFast DeliveryQA/QC Inspectors

Hebei Chuangke Fastener Manufacturing 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: 1 year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤4.93h

AI-Powered supplier vetting

SummaryThe supplier is a combined company in Yongnian District, Handan, Hebei, China, with a broad scope covering fasteners, metal products, steel-structure and building accessories, railway accessories, photovoltaic accessories, auto parts, and related products. It provides OEM services for well-known brands, maintains in-stock capacity, and has material extraction, quenching and tempering, and automated production equipment. Customization is offered from samples, designs, and full or minor requirements. Quality control includes three inspectors and uniformly followed finished-product inspection instructions. However, no valid manufacturing-capacity contract with related subcontractors, overseas warehouse, overseas agents or branches, overseas showroom, or offline trade-show participation is reported. No SDK is available, R&D engineer experience is listed as one year, and digitalization, ERP integration, sustainability practices, certifications, and customer cases are not sufficiently evidenced.

Supplier typeThe supplier is identified as a combined company located in Yongnian District, Handan, Hebei, China. Its stated business scope covers manufacturing and sales across fasteners, metal products, railway and building accessories, rubber products, steel, building materials, machinery, and equipment, indicating a diversified industrial supplier profile.

R&D capabilityThe supplier reports no available SDK, and total R&D engineer experience is listed as one year. Its digitalization status, ERP integration, and AI-supported sustainable-development capability are unknown, so the evidence does not demonstrate strong innovation capability.

Production capacityProduction-related evidence includes in-stock capacity, material extraction, quenching and tempering, automated production, three quality inspectors, and stated lead times of within 15 working days in the off-season and one month during peak season. Against this, the supplier reports no valid manufacturing-capacity contract with its factory and related subcontractors, creating a documented production-management deficiency despite the listed facilities and capacity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also provides OEM services for well-known brands. These statements directly support broad customization and OEM capability.