What certifications do your products have?

Our products come with certifications such as TUV, ISO9001, ISO14001, and OHSAS18001. Inspection reports are also available for quality assurance.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram. International commercial terms include FOB, EXW, CFR, CIF, etc.

How long is the lead time for production?

Lead times vary by season: Peak season is within 15 workdays to 3 months, while off-season is within 15 workdays to 1 month. We respond to inquiries within 1 hour.

High Quality Customized DIN 931 Black Oxide Half Threaded Hex Bolt

Name: High Quality Customized DIN 931 Black Oxide Half Threaded Hex Bolt
Brand: Shanghai Borui Metal Products Co., Ltd.
SKU: 2145302232

Shanghai, ChinaShanghai Borui Metal Products Co., Ltd.

US$0.07

1,000-49,999 Pieces

US$0.05

50,000-99,999 Pieces

US$0.01

100,000+ Pieces

Product specifications

size

Length

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

DIN 931 M8 10.9 Black Oxide Hex Bolt

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

10.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Black

Surface Treatment

Nickel Plated, Black Oxide, Chrome Plated, Zinc

Thread Type

Unc Unf

MOQ

1000PCS

Key Words

Hexagon Thread Bolt

Class

A2-70/A4-70/304/316/4.8/8.8/10.9/12.9/B6/B7/L7/B8

Certificate

TUV/ISO9001/ISO14001/OHSAS18001

Length

10mm-1000mm

Service

Customized OEM ODM Service

Quality Control

Inspection Report Available

Nuts Per Bolt

Transport Package

Carton

Specification

M2-M100

Trademark

G&T

Origin

China

Key features

Wide Material Range: Available in Carbon Steel, Alloy Steel, Stainless Steel (304/316), and special materials for extreme conditions.

Flexible Customization: Supports customization of surface treatment, material, head type, thread, and size based on drawings or samples.

Strict Standard Compliance: Manufactured strictly complying with DIN, ANSI, ISO, ASTM, ASME, and other international standards.

Global Service Network: Serving over 1,000 customers in 200+ countries with high-quality fasteners and excellent service.

Fast Response Time: Prompt response within 1 hour for inquiries and technical support needs.

Comprehensive Quality Control: Inspection reports available to ensure product quality and reliability for every order.

OEM/ODM Service: Professional OEM and ODM services available with 5 R&D engineers supporting design and development.

Diverse Surface Treatment: Options include HDG, Zinc Plated, Black Oxide, PTFE, Dacromet, Phosphate, Chrome Plated, and Brass Plated.

Company profile

High Repeat Buyers ChoiceMulti-language PioneerExperienced TeamExhibition Experience

Shanghai Borui Metal Products Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤3.07hTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a Shanghai-based limited trading company with 41 employees, focused on fasteners and related metal, mechanical, plastic, rubber, electrical, and photovoltaic products. It offers sample-, design-, and full-customization services, as well as ODM and OEM services, and reports export sales of 71%–90%. In-stock service is available, but there is no overseas warehouse, showroom, agent, or branch. Financial records are identified for 2022–2024, but no financial values or performance conclusions are provided. Service-process evidence is weak: no written corrective/preventive-action or complaint-handling procedures or records are available, while quality-assurance status and fire-drill status are unknown. No certifications, customer cases, or production facilities are explicitly documented.

Supplier typeThe supplier is identified as a limited company and trading company, with 41 employees, no stated parent-group affiliation, and a Shanghai registered and physical address. Its stated product scope centers on fasteners and related industrial products.

After-Sales capabilityThe supplier has in-stock service capacity, but it has no overseas warehouse, showroom, overseas agent, or branch. More importantly, no written corrective/preventive-action procedures or records and no written customer-complaint procedures or records are available, indicating a documented after-sales process is not demonstrated.

R&D capabilityThe supplier lists research and development of metal products and hardware products, and offers ODM services. However, no SDK is available, and the information does not provide measurable R&D resources, patents, or development outcomes; the documented capability is therefore limited but present.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, and full customization, together with ODM and OEM services for popular brands. These statements provide direct evidence of broad customization and design-manufacturing service capability.

Product Q&A

Q:What materials are available for this hex bolt?

We offer Carbon Steel, Alloy Steel (B7, B7M, etc.), Stainless Steel (A2-70, A4-70, 304, 316), and special materials for ultra-high/low temperature or corrosion scenarios.

Q:Can I customize the size and thread type?

Yes, we support full customization. Length ranges from 10mm to 1000mm, and thread types include UNC and UNF. Customization is available based on your drawings or samples.

Q:What surface treatments are offered?

We provide various surface treatments including HDG, Zinc Plated, Black Oxide, PTFE, Dacromet, Phosphate, Chrome Plated, and Brass Plated to meet different environmental requirements.

Q:What is the minimum order quantity (MOQ)?

The standard MOQ is 1000 PCS. However, for general inquiries, the minimum order quantity can be as low as 10 pieces depending on the specific product and stock status.

Q:Do you provide OEM and ODM services?

Yes, we offer customized OEM and ODM services. Our team of 5 R&D engineers can assist with customization from samples, designs, or full customization based on your requirements.