What are the available strength grades?

We provide Grade 4.8, 8.8, 10.9, and 12.9, as well as A2-70 and A4-80.

Do you accept OEM and ODM orders?

Yes, we accept OEM designs and offer customization from both designs and samples.

What is the minimum order quantity?

The minimum order quantity is 500 pieces or 1 ton.

Factory Direct Custom Bolts in Various Sizes and Grades and Building Projects.

Name: Factory Direct Custom Bolts in Various Sizes and Grades and Building Projects.
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 2167705972

Shandong, ChinaQINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

US$500.00

1 Box

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

2026060502

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8

Application

Machinery, Chemical Industry, Building

Finish

Color-Zinc Plated

Width

Customize According to Customer Needs

Lenth

Customize According to Customer Needs

Diameter

Customize According to Customer Needs

Transport Package

Carton Box / Bag +Pallet

Specification

M5-M56

Trademark

Origin

China, Qingdao

HS Code

7318151001

Production Capacity

1000ton/Month

Key features

Custom Dimensions Available: Width, Length, and Diameter can be customized according to customer needs.

Wide Material Selection: Available in Carbon Steel, Stainless Steel SS304, and Stainless Steel SS316.

Multiple Strength Grades: Offered in Grade 4.8, 8.8, 10.9, and 12.9, including A2-70 and A4-80.

Diverse Finishing Options: Includes Yellow, Blue, White Zinc Plated, Galvanized, HDG, Chromate, and Dacromet.

International Standard Compliance: Meets DIN, ANSI, ASTM, JIS, BSW, GOST, and GB standards.

Fast Delivery for Stocked Sizes: Ready for shipping within 7-15 days for standard stocked sizes.

Free Standard Samples: Free samples available for standard sizes with MTC report upon request.

OEM and ODM Services: Customization from designs and samples is accepted with professional support.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedNational Award received

QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.03h

AI-Powered supplier vetting

SummaryThe supplier is a Qingdao-based manufacturer and trading company with a broad registered business scope covering mechanical equipment, metal products, automotive parts, plastic products, building materials, and import/export activities. It reports ISO 9001, 14001, and 18001 certification history, eight production lines, 50 quality-control staff, and stated production capacity for several nail categories. The supplier offers customization from designs and samples, ODM, and OEM services for well-known brands. However, it reported no new products in the past year, lacks overseas warehouses, showrooms, agents, or branches, and has weak documented service-management controls: no written service-assessment or corrective-action procedures and no complaint-handling records. Financial information is identified for 2021–2023, but the slices do not provide performance values, so financial credibility cannot be fully assessed.

Supplier typeThe supplier operates as a manufacturer and trading company: its registered scope includes sales and import/export activities, while its factory information reports eight production lines and product-specific output. Its company description also states more than 20 years of development and business relationships across Europe, America, Southeast Asia, and Africa.

CertificationsThe supplier states that it passed ISO 9001, ISO 14001, and ISO 18001 international management-system certifications in 2001. This is explicit certification evidence, although the slice does not provide current certificate validity or renewal details.

After-Sales capabilityThe supplier has a complaint-handling procedure but no written complaint records, and it lacks written procedures or records for service-capability assessment and corrective/preventive actions. It has participated in the Canton Fair but reports no overseas warehouses, showrooms, agents, or branches, limiting evidence of structured overseas after-sales support.

R&D capabilityThe supplier reports ODM capability, an available SDK, and one internationally recognized design award. However, it also states that no new products were developed in the past year; this indicates some design and development resources but limited recent product-innovation evidence.

Production capacityThe supplier reports eight production lines, 50 quality-control staff, and stated annual outputs of 10,000 tons each for U-type, roofing, twisted, clout, and common nails. It also reports a one-month average lead time in both peak and off-season, supporting evidence of established production capacity, though the stated output figures are supplier-reported and not independently verified.

Customization capabilityThe supplier explicitly provides customization from customer designs and samples, ODM services, and OEM services for well-known brands. These statements directly demonstrate multiple forms of customization and contract-manufacturing capability.