Can I get free samples?

New customers can receive free samples for standard fasteners, with express charges covered by the client. Old customers receive free samples with express charges covered by us.

What certifications do you provide?

We provide MTC (Material Test Certificate) and mill certificates upon completion of orders, following the ISO9001 quality management system.

What is the minimum order quantity?

We accept orders of any size and keep stock of various fasteners. Custom production is also available for small orders.

Flange Head Screws DIN7991 Hardware Fasteners

Name: Flange Head Screws DIN7991 Hardware Fasteners
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2112249875

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10

1,000 pieces

Product profile

Customization

Available

Material

Steel

Type

Countersunk Head

Model NO.

DIN7991

Connection

Common Bolt

Head Style

Counter Sunk Bolt

Standard

DIN

Grade

8.8, 10.9, 12.9

Application

Machinery, Chemical Industry, Environmental, Building, Industry

Finish

Plain

Packing

Cartons+Plastic Bags

Head Type

Hexagon Flange Head

Surface Treatment

Black Oxide

Transport Package

Carton+Pallet

Specification

M6-M100

Trademark

ningbo-bolt

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

DIN7991 Standard Compliance: Manufactured strictly according to DIN standards with grades 8.8, 10.9, and 12.9 available.

OEM/ODM Customization: Supports full customization including head type, surface treatment, and packaging options.

Lifetime Warranty: All products come with a lifetime warranty support ensuring long-term reliability.

ISO9001 Certified Quality: Strict quality control following ISO9001 system with 100% qualified products.

Free Sample Availability: Free standard fastener samples provided for new customers with client covering shipping.

Flexible Order Quantities: Accepts orders of any size with stock availability and custom production capabilities.

MTC and Mill Certificates: Provides Material Test Certificates and mill certificates upon completion of orders.

Fast Delivery Options: In-stock items delivered within 15 days; larger quantities within 25-35 days.

Company profile

High Repeat Buyers Choice

Ningbo Steel Bolt Co., Ltd

Zhejiang, 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: 6 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier and operates as a combined company involved in producing and selling fasteners, hardware products, auto parts, and oil pipeline fittings. It supports extensive product customization, including samples, designs, full customization, minor customization, and flexible customization. The supplier reports two production lines and one presence in a main export market, with an average lead time of one month in both peak and off-season periods. However, it lacks 3D software design services, SDK availability, in-stock capacity, overseas warehouses, overseas agents or branches, and offline trade-show participation. Finished products are checked by packing staff, while no written procedures or records are used for assessing service capability. The provided information does not establish certifications, financial strength, after-sales performance, or customer case history.

Supplier typeThe supplier is explicitly identified as a professional technical supplier. It is a combined company whose stated business scope includes production and sales of fasteners, hardware products, auto parts, and oil pipeline fittings, as well as related import and export activities.

R&D capabilityThe supplier is identified as having professional technical research and development capability, and it offers multiple forms of customization. However, it explicitly does not provide 3D software design services and has no available SDK, so the evidence supports technical customization but not broader digital or software innovation capability.

Production capacityThe supplier reports two production lines, one-month average lead times in both peak and off-season, and six years of exporting experience. Countervailing controls are limited: finished products are checked by packing staff, there is no continuous quantity reconciliation for each batch or production run, no outsourcing SOP, no valid manufacturing-capacity contract with related subcontractors, and no in-stock capacity.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad product-design and modification capability, although 3D software design services are not available.