What are your payment terms?

We accept T/T, L/C, and D/P for general orders, and PayPal or Western Union for small orders or samples.

What is your minimum order quantity?

We accept any order size, including small orders, as we keep stock of various bolts and nuts.

How is the product packed?

Standard packing is 20-25kg per carton, with 36 or 48 cartons per pallet. We can also customize cartons with customer logos upon request.

High-Quality DIN7991 Hexagon Socket Countersunk Head Cap Screws

Name: High-Quality DIN7991 Hexagon Socket Countersunk Head Cap Screws
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2109079735

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10

1,000 pieces

Product profile

Customization

Available

Material

Steel

Type

Hexagon Head

Model NO.

DIN7991

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN

Grade

8.8, 10.9, 12.9

Application

Machinery, Chemical Industry, Environmental, Building, Industry

Finish

Zinc, Plain

Head Type

Hex Flange Bolts

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

High Strength Grades: Available in 8.8, 10.9, and 12.9 grades for demanding applications.

Customizable Options: Supports customization for head type and surface treatment like black oxide.

Lifetime Warranty: Covers all products with a lifetime warranty guaranteeing quality.

ISO9001 Certified: Strict quality control from raw materials to finished products.

OEM/ODM Service: Professional manufacturer offering full OEM and ODM services.

Fast Delivery: 15 days for stock items; 25-35 days for container quantities.

Free Samples: Free standard samples for new customers (buyer pays shipping).

MTC Provided: Material Test Certificates and mill certificates available upon request.

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.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a professional fasteners manufacturer with many years of experience in producing bolts, nuts, threaded rods, and washers in Ningbo, China.

Q:Do you provide OEM/ODM services?

Yes, we accept OEM and ODM orders to meet specific customer requirements.

Q:How do you guarantee product quality?

We follow a strict ISO9001 quality management system from raw materials to finished products, ensuring 100% qualified goods and providing Material Test Certificates (MTC).

Q:Can I get free samples?

Yes, we provide free samples for standard fasteners to new customers, but the buyer needs to cover the express shipping charges.

Q:What is the delivery time?

For stock items, delivery is within 15 days. For quantities of 1-2 containers, it takes 25-35 days.