How do you ensure product quality?

We conduct 100% inspection (visual and function) for finished products, guided by instructions and followed uniformly by 3 QA/QC inspectors.

What is the monthly production capacity?

The production capacity is 900 tons per month.

Countersunk Bolts Left Hand Threads Socket Flat Head Screw

Name: Countersunk Bolts Left Hand Threads Socket Flat Head Screw
Brand: Hebei Chuangke Fastener Manufacturing Co., Ltd.
SKU: 2144225555

Hebei, ChinaHebei Chuangke Fastener Manufacturing Co., Ltd.

US$0.01

1,000 Pieces

Product profile

Customization

Available

Material

Stainless Steel

Type

Round Head

Model NO.

DIN7991

Groove

Cross

Connection

Common Bolt

Head Style

Round

Standard

DIN

Grade

8.8

Shipping

Express

Color

Plain

Shape

Round

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

Customizable Specifications: Supports customization from samples, designs, and full customization options.

High Production Capacity: Monthly output capacity of 900 tons ensures timely delivery for large orders.

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

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

Established Manufacturer: Company established in 2009 with over 100 sets of high-speed cold heading machines.

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

Proven Customer Trust: Buyback rate reached about 90% in the past ten years due to high quality.

Multiple Grade Options: Available in Grade 4.8, 8.8, 10.9, and 12.9 to meet diverse strength needs.

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: ≤3.74h

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.