Do you offer customization services?

Yes, we offer flexible customization including customization from samples, designs, and full customization options.

What is your quality assurance process?

We implement a two-stage QA protocol: pre-production sampling with dimensional verification and full batch inspection including torque testing and salt spray analysis.

Premium Hexagon Head Bolts DIN 931-1 for Industrial Use

Name: Premium Hexagon Head Bolts DIN 931-1 for Industrial Use
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2194839425

Zhejiang, ChinaNingbo Yinzhou Sokun Import and Export Co., Ltd.

US$0.10

1,000-4,999 Pieces

US$0.09

5,000-9,999 Pieces

US$0.08

10,000-49,999 Pieces

US$0.06

50,000+ Pieces

Product profile

Customization

Available

Material

Stainless Steel

Type

Socket Cap Head

Model NO.

DIN 931

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8/10.9/12.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Standards

DIN912

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

Allen Bolt

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

ISO Certified Manufacturer: Established in 2009, we are an ISO-certified fastener manufacturer with comprehensive R&D capabilities.

Flexible Customization: We offer flexible customization including from samples, designs, and full customization options.

Rigorous Quality Assurance: Two-stage QA protocol: pre-production sampling and full batch inspection including torque and salt spray tests.

Free Sample Availability: Free standard samples (1-3 pcs) available; sample cost is refundable upon bulk order confirmation.

Wide Material & Finish Options: Materials include carbon steel and stainless steel; finishes include zinc plating, galvanizing, and more.

Global Market Experience: Serving global markets including North America, Europe, Asia, and the Middle East with long-term relationships.

Low Minimum Order Quantity: Minimum Order Quantity is just 1 Kg, allowing for flexible purchasing for various project sizes.

Fast Delivery Time: Normal delivery time is 30-40 days, with customized samples available within 15 working days.

Company profile

High Repeat Buyers ChoiceODM ServicesR&D CapabilitiesProduction Process Visualization

Ningbo Yinzhou Sokun Import and Export Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤5.09h

AI-Powered supplier vetting

SummarySokun is a limited company with 21 employees, related companies, and product coverage including fasteners, machined parts, and stamping parts. It supports customization from samples and designs, offers ODM services, and reports OEM service for well-known brands. Quality processes include quality assurance, documented inspection instructions, and complaint-handling records, although finished-product inspection is random and only one quality inspector is reported. Production-related strengths include in-stock capability, CNC and punching equipment, and one-month stated lead times in both peak and off-season periods. Key limitations are the absence of a valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, branches, agents, or showrooms, and no documented R&D audit materials, new products in the past year, or R&D patents. Financial credibility cannot be determined from the provided information.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with followed records and accepts several quotation and payment terms. However, it has no overseas warehouse, showroom, agent, or branch, and reports zero countries with overseas services, limiting evidence of localized after-sales support.

R&D capabilityThe supplier provides ODM and multiple customization-based design services, but reports no new products during the past year, no available SDK, no R&D audit documentation, and zero R&D patents. These facts indicate design support but limited documented evidence of independent innovation.

Production capacityProduction evidence includes CNC and punching equipment, in-stock capability, one-month lead times in both peak and off-season, and a product scope aligned with machined and stamping parts. Nevertheless, there is no valid manufacturing-capacity contract with related subcontractors, which creates a documented capacity-governance weakness.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, flexible customization, and minor customization, and also offers ODM services. This is direct evidence of broad customization capability.

Product Q&A

Q:What is the minimum order quantity?

The minimum order quantity is 1 Kg.

Q:What payment terms do you accept?

We accept T/T (30% deposit, 70% balance against B/L copy), LC at sight, D/P, PayPal, Western Union, and small-amount payments.

Q:Can I get free samples?

Yes, free samples of standard specifications (1-3 pcs) are available. The sample cost is refundable when you confirm a bulk order.

Q:What is the delivery time?

Normal delivery time is 30-40 days. Customized samples can be prepared within 15 working days.

Q:What materials and finishes are available?

Materials include carbon steel and stainless steel. Finishes include Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain.