What is the minimum order quantity (MOQ)?

The general MOQ is 10 pieces. However, for customized orders, the MOQ is 1000 PCS.

What types of threads are available?

Coarse threads are the industry standard. Fine and extra-fine threads are also available, which are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.

What materials are used for these fasteners?

Materials include carbon steel, stainless steel, and alloy steel (Grade 8.8, 10.9, 12.9...). Special material fasteners are available for ultra-high/low temperature and strong corrosion scenarios.

Factory DIN 912 12.9 Alloy Steel Black Oxide Socket Head Cap Screw

Name: Factory DIN 912 12.9 Alloy Steel Black Oxide Socket Head Cap Screw
Brand: Shanghai Borui Metal Products Co., Ltd.
SKU: 2259505335

Shanghai, ChinaShanghai Borui Metal Products Co., Ltd.

US$0.21

500-999 Pieces

US$0.16

1,000-4,999 Pieces

US$0.09

5,000-9,999 Pieces

US$0.06

10,000-99,999 Pieces

US$0.02

100,000+ Pieces

Product specifications

M3-M100

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Alloy

Surface Finishing

Black Oxide

Model NO.

GT HSC-2

Certification

ISO, GS, RoHS, CE

Customized

Color

Natural Color

Delivery Time

7-15 Days

Service

OEM/ODM Is Available

Payment Term

T/T (at Least 30% Deposit)

Sample

Available, Contact Us for Further Details

Shipping Terms

EXW, Fob, CIF, DAP, DDU, DDP...

MOQ

1000 PCS If Customization

Shipping Method

Express (DHL, UPS, FedEx...), by Sea, by Air...

Lead Time

7-30 Days Depends on Manufacturing

Included Parts

Could Add Nuts, Spring Washers, Flat Washers...

Quality

3.1 Certificate Could Be Provided After Production

Transport Package

Paper Cartons + Wooden Pallets

Specification

M2-M100

Trademark

Origin

Jiangsu, China

HS Code

7318151001

Production Capacity

500 Tons Per Year

Key features

High Tensile Strength: Alloy steel screws with 170,000 psi tensile strength, stronger than Grade 8.

Corrosion Resistance Options: Black oxide for dry environments; zinc-plated or zinc-flake for wet environments.

Customizable Colors: Available in Plain, Black, Natural, Blue, Grey, Yellow, Green, Red, or Customized Color.

OEM/ODM Service: Professional OEM and ODM services available for fasteners and non-standard parts.

Wide Material Range: Carbon steel, stainless steel, and alloy steel including special materials for extreme conditions.

Certified Quality: Complies with ISO, DIN, ANSI, ASTM A574, and ASME standards; 3.1 Certificate available.

Flexible Thread Types: Coarse threads for standard use; fine and extra-fine threads for vibration resistance.

Global Shipping: Supports EXW, FOB, CIF, DAP, DDU, DDP via Express, Sea, or Air freight.

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: ≤3.18hTerms 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 is the tensile strength of these screws?

These alloy steel screws have a tensile strength of 170,000 psi, making them stronger than Grade 8 steel screws.

Q:Are the screws customizable?

Yes, customization is available. Options include customized colors (Plain, Black, Natural, Blue, Grey, Yellow, Green, Red), materials, and specific requirements via OEM/ODM services.

Q:What certifications do the products have?

The products hold ISO, GS, RoHS, and CE certifications. They also comply with ASTM A574, ASME B18.3, and ISO 898-1 standards. A 3.1 Certificate can be provided after production.

Q:What is the delivery time for orders?

Delivery time is typically 7-15 days for standard items and 7-30 days depending on manufacturing requirements. Peak season lead time is within 15 workdays to 3 months.

Q:What are the payment terms?

Payment terms include T/T (with at least 30% deposit), LC, D/P, PayPal, Western Union, and Money Gram. Specific terms may vary based on the order.