What are the payment terms?

We accept T/T, LC, D/P, PayPal, Western Union, and Small-amount payment.

What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-season periods.

Is OEM service available?

Yes, OEM service is available, and we support customization from designs.

High Strength Steel Black Color Double Thread Stud Bolts Made in China

Name: High Strength Steel Black Color Double Thread Stud Bolts Made in China
Brand: Younsion Fastening Industrial Co., Ltd.
SKU: 1998028012

Hebei, ChinaYounsion Fastening Industrial Co., Ltd.

US$0.01-3.00

1,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel, Carbon Steel

Type

Round Head

Model NO.

DTB001

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

Customized

Application

Machinery, Chemical Industry, Environmental, Building

Finish

HDG, Zinc Plated,Black, Plain

Transport Package

as Your Requests

Specification

Customized

Trademark

Younsion

Origin

Handan, Hebei, China

HS Code

7318150000

Production Capacity

70200 Tons /Years

Key features

Wide Material Selection: Available in Stainless Steel (304/316), Carbon Steel, Alloy Steel, Aluminum, Brass, and Titanium.

Customizable Dimensions: Shank diameter M2.5-M30 and overall length 6-120MM can be customized to specific needs.

Versatile Applications: Ideal for mine machinery, bridges, boilers, large buildings, and thick plate connections.

Multiple Surface Treatments: Options include Zinc Plated, HDG, Black Oxide, Nickel, Gold, and Plain finishes.

High Strength Grades: Hardness ranges from Grade 4.8 to 12.9 to meet diverse mechanical load requirements.

OEM Service Available: Customization from designs is supported with dedicated R&D engineers.

Robust Quality Control: ISO9001 certified with random visual inspection for finished products.

Flexible Packaging: Standard 25kg/carton or palletized, customizable according to customer requests.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedExhibition Experience

Younsion Fastening Industrial Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 5 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤7.48h

AI-Powered supplier vetting

SummaryThe supplier operates across hardware, handling equipment, metal materials, wire rope, bearings, building materials, and related industrial products. It reports 10 production lines and OEM service for well-known brands, while offering customization from customer designs. Certifications include ISO9001:2015, ISO14001, ISO45001:2018, and CE. However, its documented R&D and service-management infrastructure is limited: it reported no new products in the past year, no ODM, no SDK, no 3D design or private mold capability, and only one year of R&D engineer experience. Quality-control staffing is below five. Supplier-service procedures, complaint handling, and corrective-action records are not documented. It has no overseas warehouse, showroom, agent, or branch, but has attended the 136th Canton Fair. Financial information is present for recent years, but the provided slices do not establish financial strength.

Supplier typeThe supplier appears to be a diversified industrial and hardware manufacturer/seller, covering handling equipment, metals, wire rope, bearings, building materials, cables, and hardware. Its 10 production lines and stated OEM activity indicate both manufacturing and supplier-service functions rather than a purely trading profile.

CertificationsThe supplier reports ISO9001:2015, ISO14001, ISO45001:2018, and CE certifications. These are explicit certification claims, although the record also contains a general management-system category of “Others” without further detail.

After-Sales capabilityThe supplier has no written procedures or records for complaint handling, corrective and preventive actions, or effective service-capability assessment. It also has no overseas warehouse, showroom, agent, or branch, so the available evidence does not demonstrate a robust after-sales infrastructure.

R&D capabilityInnovation evidence is limited: there were no new products in the past year, no ODM, no SDK, no ERP-based digital process integration, no 3D design service, no private molds, and only one year of R&D engineer experience. The supplier does report Photoshop capability and three R&D patents, but the overall evidence does not show strong current innovation capacity.

Production capacityThe supplier reports 10 production lines, a quality-control team of fewer than five staff, production-process controls aligned with national standards and consumer requirements, and peak- and off-season lead times within 15 working days. These explicit operating details support production capability, although the limited QC staffing may constrain oversight.

Customization capabilityThe supplier explicitly offers customization from customer designs and provides OEM services for well-known brands. However, it does not provide ODM, 3D software design, private mold, or SDK services, indicating that customization is primarily execution based on supplied designs rather than independent product development.

Product Q&A

Q:What materials are available for the double thread bolts?

We offer Stainless Steel (304, 316, 202, 201), Carbon Steel (45#, 22A, 10B21), Alloy Steel, Aluminum (5052, 6063), Brass, and Titanium/Ti Alloy.

Q:Can the size and dimensions be customized?

Yes, the shank diameter (M2.5-M30) and overall length (6-120MM) can be customized according to your specific needs.

Q:What are the common applications for these bolts?

They are widely used in mine machinery, bridges, cars, motorcycles, boiler steel structures, large span steel structures, and for connecting thick plates where hexagonal bolts are inconvenient.

Q:What surface treatments do you provide?

We provide various treatments including Zinc Plated, HDG, Black Oxide, Nickel, Gold, Brass, and Plain finishes.

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

The minimum order quantity is 1000 pieces.