What's your shipping method?

It could be shipped by sea, by railway, by air or by express(EMS, UPS, DHL, TNT, FEDEX and etc.). We will confirm with you before order placing, you can also tell us the shipping method you prefer.

What's your payment method?

Wire transfer, Paypal, Western Union, L/C etc.

Do you have quality warranty?

12 months warranty for damages by non-artificial reasons. We have professional QC department, every items will checked and tested before shipment.

Corrosion-Resistant Phosphate-Coated Top-Quality Chinese Factory Hex Bolts

Name: Corrosion-Resistant Phosphate-Coated Top-Quality Chinese Factory Hex Bolts
Brand: Shanghai Soverchannel Industrial Co., Ltd.
SKU: 2240533465

Shanghai, ChinaShanghai Soverchannel Industrial Co., Ltd.

US$0.09

5,000 Pieces

Sample price:US$0.09/piece.Request sample

Product profile

Material

Carbon Steel

Type

Hexagon Head

Connection

Common Bolt

Model NO.

Head Style

Hexagonal

Standard

DIN

Grade

8.8

Application

Machinery

Finish

Black

Total Length

40-400mm

Customization

OEM/ODM

Head Type

Hexagon

Color

Customized Color

Transport Package

Carton + Wooden Pallet

Specification

M8-M48

Trademark

SVC

Origin

Jiangsu, China

Key features

High Strength Grades: Available in 8.8, 10.9, 12.9, B7, and A325 grades for diverse industrial needs.

Anti-Corrosion Finish: Phosphate, Galv, and Dacro treatments protect against rust and harsh environments.

Wide Size Range: Thread sizes M8-M48 and lengths 40-400mm for precise assembly fitting.

OEM/ODM Customization: Supports custom sizes, surface treatments, logos, and packaging per client design.

Professional Manufacturer: Factory with 20,000 sqm area, complete production line, and strict QC inspection.

Quality Warranty: 12-month warranty for non-artificial damages with professional QC department.

Fast Delivery: Samples in 5-10 days; mass production in 7-10 days if goods are in stock.

Flexible Shipping: Supports sea, railway, air, and express shipping methods like DHL and UPS.

Company profile

Shanghai Soverchannel Industrial Co., Ltd.Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and a trade company, with a registered location in Shanghai while its physical address is in Haian, Nantong, Jiangsu. It reports extensive equipment and broad customization capabilities, and finished-product inspection instructions are uniformly followed. Quality assurance is indicated, but service-management controls are weak: no written procedures or records were reported for supplier-service assessment, corrective and preventive actions, or customer complaints, and no approved-supplier list exists. Certification evidence is limited to CE, while no factory environmental impact assessment report is available. The supplier reports no available SDK for R&D. Financial information is represented only by years, without sufficient evidence to assess credibility. No customer cases are provided.

CertificationsThe supplier reports CE certification capability. However, it also states that no factory environmental impact assessment report is available, so the evidence supports only limited certification coverage rather than comprehensive compliance.

After-Sales capabilityThere are no written procedures or records for effective supplier-service assessment, corrective and preventive actions, or customer complaint handling, and no approved supplier list is maintained. These explicit gaps indicate weak documented after-sales and service-management capability.

Production capacityThe supplier lists manufacturing-related equipment including blasting, CNC, cold heading, pickling, punching, spheroidizing annealing, threading, and wire drawing machines. This supports a broad apparent fastener-processing capability, although the company is also classified as a trade company and no capacity metrics are provided.

Customization capabilityThe supplier explicitly reports customization from samples, designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization support.

Product Q&A

Q:Why do some products have oil on them?

This type of product will have a layer of rust proof oil on the surface, which is designed to prevent the product from rusting

Q:Are you a trading company or manufacturer?

We are a comprehensive company integrating industry and trade, with a dedicated factory covering an area of 20000 square meters and an independent sales team.

Q:How long is your delivery time?

Sample order takes 5-10 working days. Mass production depends on order quantity, usually, it takes 7-10 working days if goods are in stock.

Q:Can I get a sample before bulk production?

Yes, for sure. Sample will be provided for quality checking. Sample cost will be refunded once bulk order placed.

Q:Can we customize the size, dimension, surface treatment, logo and packages of the product?

Yes, we can customize products according to client's requirements. If you have designs already, can send to us. We also have professional design team, can help you to do the design work.