What are the available packaging options?

We offer neutral packaging boxes, standard cartons, and palletized units wrapped with waterproof film. Customized packaging configurations are available upon request.

What are the price terms?

Our price terms include EXW, FOB, CIF, and DDP.

What certifications do you have?

We hold ISO 9001 certification, ensuring our products meet international quality management standards.

8.8 Grade Zinc Plated DIN251 Hexagon Socket Flange Machine Bolt

Name: 8.8 Grade Zinc Plated DIN251 Hexagon Socket Flange Machine Bolt
Brand: Ningbo Yongbiao Fastener Co., Ltd
SKU: 2141765662

Zhejiang, ChinaNingbo Yongbiao Fastener Co., Ltd

US$0.02-0.04

10,000 Pieces

Sample price:US$0.05/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

DIN251

Groove

Hexagon

Connection

Hinged Bolts

Head Style

Round

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

8.8

Delivery

7-20days

Payment Term

Tt 30% Deposit

Certificate

ISO9001

Packaging Details

Customization

Transport Package

Cartonboxes and Pallets

Specification

8.8

Origin

China

HS Code

7318159090

Production Capacity

500ton/Month

Key features

High Strength Grade 8.8: Manufactured with carbon steel or stainless steel, ensuring high tensile strength and durability for heavy-duty applications.

Wide Size Range: Available in M3 to M10 specifications, covering various thread pitches and dimensions for diverse mechanical needs.

Custom Packaging: Offers customized packaging configurations, including neutral boxes, master cartons, and palletized units with waterproof protection.

OEM/ODM Service: Supports customization from samples and designs, allowing clients to tailor products to specific engineering requirements.

Fast Delivery: Standard delivery time is 7-20 days, with peak season lead time of one month and off-season within 15 workdays.

ISO 9001 Certified: Production meets ISO 9001 quality standards, ensuring consistent product quality and reliable manufacturing processes.

Multi-Standard Compliance: Products comply with DIN, GB, ANSI, BSW, JIS, and GOST standards, suitable for global market requirements.

Competitive Pricing: Direct manufacturer pricing with cost reduction focus, offering competitive rates for bulk orders.

Company profile

Importers and ExportersFast DeliveryQuality AssuranceProduction Process Visualization

Ningbo Yongbiao Fastener Co., Ltd

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.01h

AI-Powered supplier vetting

SummaryThe supplier is described as a medium-sized fastener manufacturer integrating R&D, production, and sales, with more than 50 employees, over 50 production machines, more than 10 testing machines, and four production lines. It provides OEM services for well-known brands and supports customization from samples and designs. Quality and service-management procedures are documented and followed, including finished-product inspection, supplier assessment, corrective and preventive action, and complaint handling. However, no SDK is available, and no overseas warehouses, showrooms, agents, branches, or offline trade-show participation are reported. Overseas service coverage is recorded as zero countries, while export-trade experience is represented by three experienced staff. Production quantity reconciliation is not continuously performed for every batch or production run. Financial records are identified for 2021–2023, but the provided information does not establish financial strength.

Supplier typeThe supplier operates as a fastener manufacturing enterprise integrating R&D, production, and sales. Its stated business scope also includes wholesale, motorcycle and bicycle parts, wire and cable management, instruments, pumps, household-appliance parts, and metal materials, while its primary market is listed as domestic.

After-Sales capabilityThe supplier has written and followed procedures for service assessment, corrective and preventive actions, and customer complaints. However, it reports no overseas warehouse, showroom, agent, branch, or offline trade-show capability, and overseas service coverage is recorded as zero countries, limiting evidence of strong international after-sales support.

Production capacityThe supplier reports four production lines, more than 50 production machines, more than 10 testing machines, over 50 employees, and screw output of 4,000 tons. Finished-product inspection instructions are uniformly followed, but continuous quantity reconciliation for each batch or production run is not performed.

Customization capabilityThe supplier explicitly supports customization from samples and designs and provides OEM services for well-known brands. These capabilities directly support customer-specific product development and manufacturing.

Product Q&A

Q:What is the delivery time?

The standard delivery time is 7-20 days. During peak season, the lead time is one month, while off-season delivery is within 15 workdays.

Q:What are the payment terms?

Payment terms include T/T with a 30% deposit, or 30-50% in advance and 50-70% before delivery. Other methods like LC, D/P, PayPal, and Western Union are also accepted.

Q:What is the minimum order quantity?

The minimum order quantity is 10,000 pieces.

Q:Can you provide OEM or ODM services?

Yes, we offer both OEM and ODM services, including customization from samples and designs.

Q:What materials are used for the bolts?

The bolts are made from Carbon Steel or Stainless Steel, with grades such as 8.8 or A2-70.