Q6: How do you control the quality?

A6: Strictly adhere to the ISO9001 Quality Management System.

Q7: What is the shipping method?

A7: 1) Door to door service: DHL, UPS, FedEx, TNT. 2) The ocean shipping or air shipping is also available for big orders. 3) You also can use your own forwarder account.

A9: 1) Bank to bank wire transfer to accounts. 2) Paypal. 3) Western Union. 4) T/T. 5) Other.

Q10: What is your after-sales service?

A10: Please feedback to our sales, we will take action in 12 hours.

Stainless Steel Carbon Steel Hex Head Bolts with Flat Spring Washers Assembly

Name: Stainless Steel Carbon Steel Hex Head Bolts with Flat Spring Washers Assembly
Brand: Dong Guan Ouzhan Metal Co., Ltd.
SKU: 2123790522

Guangdong, ChinaDong Guan Ouzhan Metal Co., Ltd.

US$0.99

10-999 Pieces

US$0.15

1,000-9,999 Pieces

US$0.09

10,000-99,999 Pieces

US$0.05

100,000+ Pieces

Product specifications

Combination screw

Sample price:US$0.05/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

M3 M4 M5 M6 M8 M10 M12

Groove

Hexagon

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, JIS

Grade

A2-70

Thread Type

Full Thread

Delivery Time

7-15workdays

Sampling Time

3-5workdays

Length

6-300mm

Customized

Customizable

Transport Package

Small Box Carton

Specification

M3 M4 M5 M6 M8 M10 M12

Trademark

Ou Zhan

Origin

Dong Guan China

HS Code

7318150000

Key features

Three-Piece Assembly Combines a hex head bolt, flat washer and spring washer into one convenient assembly.

Pre-Assembled Design Components stay together during handling and installation, improving assembly efficiency.

Hex Head Design Compatible with standard wrenches and sockets for easy tightening.

Flat Washer Helps distribute the clamping load and protect the mating surface.

Spring Washer Provides additional resistance against loosening under suitable fastening conditions.

Multiple Material Options Available in stainless steel and carbon steel to meet different application requirements.

Precision Threads Accurate thread dimensions ensure reliable fastening and smooth installation.

Wide Applications Suitable for machinery, automotive, construction, equipment and industrial assembly.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityCustomization from DesignsOEM Services

Dong Guan Ouzhan Metal Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2025-12-03Nearest Port: shenzhenAverage Response Time: ≤0.26hTerms of Payment: T/T, PayPal

AI-Powered supplier vetting

SummaryDong Guan Ouzhan Metal Co., Ltd. is identified as a Chinese manufacturer/factory and trading company offering fastener CNC lathe parts, with stated production equipment and capability for automatic or semi-automatic processing of products from 1.0 mm to 400 mm. It reports broad customization, recent new-product activity, and ODM services. Quality assurance and raw-material traceability are stated, but complaint handling, supplier assessment, corrective actions, and quality records lack written procedures or records. The supplier has in-stock capability but no overseas warehouse, showroom, agent, or branch. It has three employees, no cooperative suppliers listed, no valid import/export license, and no documented customer cases. An SGS audit is listed with validity from 2025-10-18 to 2026-10-17, but the audit result is recorded as 0 without an interpretation.

Supplier typeThe supplier is identified as both a trading company and a manufacturer/factory, operating as a limited company in China and offering fastener CNC lathe parts. Its stated business scope includes production and sales of hardware products and molds, indicating direct manufacturing positioning, although the company reports only three employees.

R&D capabilityThe supplier states that it had new products during the past year and provides ODM services. These statements are explicit evidence of recent product development and design-related capability.

Production capacityThe supplier describes equipment including cold forging, thread rolling, riveting, automatic lathe, instrument lathe, and CNC machines, with automatic or semi-automatic production for products from 1.0 mm to 400 mm. It also states peak- and off-season lead times within 15 working days, supporting a documented production capability, although capacity volume is not provided.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, indicating broad stated customization coverage.

Product Q&A

Q:Q1: Are you a factory or trading company?

A1: Ouzhan is a factory from Dongguan, China. Welcome to visit our factory

Q:Q2: Can you provide one-stop sevice including of material, processing, finish, assembly etc?

A2: Yes, we can.

Q:Q3: What's your minumum order quantity(MOQ)?

A3: 1 piece, small order quantities are welcome.

Q:Q4: Will my design drawings be safe when you get it?

A4: Yes, we will not publish your design to a third party unless your permission is obtained. We can sign NDA before you send the drawings.

Q:Q5: How can I get a quotation?

A5: To get prices in 1 hour, please provide information below with your inquiry: 1) Drawings format 2d(dwg/dxf/pdf)/3d(step/stp/igs) or sample. 2) Material requirement. 3) Surface treatment. 4) Quantity. 5) Any special demands or requirements, such as packing, labels, delivery, etc.