Do you offer ODM services?

Yes, ODM service is available, and we can customize processes and surface treatments according to your requirements.

What are the payment terms?

We accept T/T, L/C, and Western Union as payment methods.

How is the product packaged?

Standard packaging includes plastic bags, cartons, and plywood pallets, but we can also customize packaging according to customer demands.

12.9 M20

Name: DIN7991 Hexagonal Socket Countersunk Head Cap Screw Class4.8/6.8/8.8/10.9/12.9 M20
Brand: Ningbo Strong Bolt Trade Co., Ltd.
SKU: 2119739402

Zhejiang, ChinaNingbo Strong Bolt Trade Co., Ltd.

US$0.10

1,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hex Socket

Model NO.

DIN7991

Connection

Common Bolt

Head Style

Hex Socket Head

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8&5.8&6.8&8.8&10.9&12.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Yzp&Blk&Zinc Plated&HDG

Process

Cold Forging,Hot Forging,Machining

Surface Treatment

According to Requirements

Salt Spray Test

According to Requirements

Thread Type

Fine / Coarse /Bsw/Bsf/ Unc/Unf

Transport Package

Small Box & Bulk & Customizing

Specification

M3-M24

Trademark

STRONG BOLT

Origin

Ningbo, China

HS Code

7318159001

Production Capacity

2500tons/Year

Key features

Wide Grade Range: Available in grades 4.8, 5.8, 6.8, 8.8, 10.9, and 12.9 to meet diverse strength requirements.

Multiple Material Options: Offered in Carbon Steel, Stainless Steel, Duplex Steel, Brass, Copper, Plastic, and Aluminum.

Extensive Surface Treatments: Includes Zinc Plated, Galvanized, Nickel Plated, HDG, Anodized, Powder Coating, and Dacromet.

Customizable Thread Types: Thread type can be customized to Fine, Coarse, Bsw, Bsf, Unc, or Unf according to requirements.

Advanced Processing Capabilities: Utilizes Cold Forging, CNC Machining, Stamping, Rolling, Bending, and Casting technologies.

Flexible Packaging Solutions: Standard or custom packaging available, including plastic bags, cartons, and plywood pallets.

Global Shipping Terms: Supports EXW, FOB, CIF, DDP, CFR, and other terms based on customer discussion.

ODM Service Available: Customization services including surface treatment and salt spray test are available upon request.

Company profile

Self-brandedYears of Export ExperienceR&D CapabilitiesCustomization from Designs

Ningbo Strong Bolt Trade Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service AvailableAverage Response Time: ≤2.39h

AI-Powered supplier vetting

SummaryNingbo Strong Bolt Trade Co., Ltd. is a China-based trading company established in 2014 with 16 employees. It reports strong customization and ODM capabilities, new product activity within the past year, and extensive export activity, with 90% of sales from exports and 10 years of export experience. Its stated product output covers several fastener categories, while quality control staffing is reported at 11–20 personnel. However, service-management procedures lack documented records, and the company reports no overseas warehouses, showrooms, agents or branches, or offline trade-show participation. Financial information is identified for 2021–2023, but the provided slices do not give sufficient evidence to assess financial strength. No certification information, customer cases, or SDK availability is provided.

Supplier typeThe supplier is identified as a trading company, specifically Ningbo Strong Bolt Trade Co., Ltd., established in 2014 in Ningbo, Zhejiang, China, with 16 employees and limited-company status. This clearly establishes its business type but does not indicate that it operates as a manufacturing entity.

After-Sales capabilityThe supplier has written procedures for service assessment, supplier approval, corrective and preventive actions, and complaint handling, but no written records are reported for these processes. It also lacks overseas warehouses, showrooms, agents or branches, and reports zero countries with overseas services, limiting evidence of established international after-sales infrastructure.

R&D capabilityThe supplier reports that it introduced new products during the past year and provides ODM services. However, it reports no available SDK, so its innovation evidence supports product development and design services but not software-development integration.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM availability, providing direct evidence of broad customization and design-related service capability.

Product Q&A

Q:What grades are available for this screw?

We offer Class 4.8, 5.8, 6.8, 8.8, 10.9, and 12.9 to suit various strength needs.

Q:What materials can be used for this product?

Available materials include Carbon Steel, Stainless Steel, Duplex Stainless Steel, Brass, Copper, Plastic, and Aluminum.

Q:Can the thread type be customized?

Yes, we can provide Fine, Coarse, Bsw, Bsf, Unc, or Unf thread types according to your requirements.

Q:What surface treatments are offered?

We provide Zinc Plated, Galvanized, Nickel Plated, HDG, Copper Plated, Anodized, Polishing, Powder Coating, Geomet, Dacromet, Passivation, and Electrophoresis.

Q:What are the lead times for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.