Can you customize the bolts?

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

High Strength Bolt Screw Goose Egg Head Screw Ball Mill Liner Bolt

Name: High Strength Bolt Screw Goose Egg Head Screw Ball Mill Liner Bolt
Brand: Wuxi Eternal Bliss Alloy Casting & Forging Co., Ltd.
SKU: 2007024135

Jiangsu, ChinaWuxi Eternal Bliss Alloy Casting & Forging Co., Ltd.

US$30.00-32.00

20 Sets

Sample price:US$32.00/set.Request sample

Product profile

Customization

Available

Material

40cr

Type

Round Head

Model NO.

Connection

Common Bolt

Head Style

Round

Standard

ANSI, GB

Grade

12.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Black

Applications

Impact Plates, Liners, Chutes

Advantage

High-Strength

Transport Package

Plywood Case

Specification

M42 x 3.5 x 300

Trademark

Origin

China

HS Code

8474209000

Production Capacity

500000pieces/Year

Key features

High Strength Grade: Available in 12.9, 10.9, 8.8, 6.8, and 4.8 grades for superior durability.

Wide Size Range: Sizes from M20 to M45, with specifications like M48 x 180 up to M48 x 1080.

Versatile Application: Suitable for SAG mills, ball mills, cement mills, coal mills, and mine mills.

Complete Unit Set: Includes rubber ring, concave washer, spring washer, and nut for easy installation.

Optimized Heat Treatment: Properly heat-treated to achieve better mechanical properties and performance.

12-Month Warranty: Service life guarantee of 12 months under normal working conditions.

OEM/ODM Support: Customization available from samples or designs for specific requirements.

Fast Delivery: 5-10 days for in-stock items; 45 days for custom quantities.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Wuxi Eternal Bliss Alloy Casting & Forging Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.40h

AI-Powered supplier vetting

SummaryEB China is an industrial equipment and materials supplier involved in petroleum drilling and production equipment, metallurgical equipment, special steel, non-ferrous alloys, new-material technology, and installation services. Its stated manufacturing scope includes castings, forgings, machinery, and e-bike products, with substantial annual capacity figures. The supplier reports ISO9001, ISO14001, and ISO45001 certifications for its factories. It has documented procedures for corrective and preventive actions, complaint handling, supplier-service assessment, and approved-supplier updates. However, quality traceability, quality-assurance status, and testing-equipment quantity are either unknown or reported as zero. R&D resources are limited to one engineer, with no new products reported in the previous year and no available SDK, although ODM, OEM, sample-based, and design-based customization are offered. Overseas service infrastructure and offline trade-show participation are absent. Customer-facing...

Supplier typeThe supplier operates across industrial equipment, specialized metals, foundry, forging, machinery, and e-bike manufacturing activities. Its stated scope also includes new-material R&D and installation services, indicating a manufacturer and industrial solution provider rather than a purely trading company.

CertificationsThe company states that its e-bike assembly factory, foundry and forging plant, and machinery plant have passed ISO9001, ISO14001, and ISO45001 management-system certification. The slices do not provide certificate numbers, validity dates, or issuing-body details.

After-Sales capabilityThe supplier has documented corrective/preventive-action and customer-complaint procedures with followed records, plus written procedures and records for assessing service capability. However, it has no overseas showroom, overseas agent or branch, or offline trade-show participation, so international service coverage is limited despite formal process evidence.

R&D capabilityInnovation resources appear limited: the supplier reports one R&D engineer, no new products in the previous year, and no available SDK. It does provide ODM and OEM services and undertakes customization, but the evidence does not demonstrate strong ongoing product innovation.

Production capacityThe supplier reports annual output capacities of 100,000 tons for castings, 30,000 tons for forgings, and up to 1,000,000 sets for machinery and E-V products, supported by 21–30 quality-control staff. However, the stated quantity and size of quality-control test equipment is zero, creating a clear production-quality control deficiency.

Customization capabilityThe supplier explicitly offers customization from samples, graphic or design inputs, and general customization, alongside ODM and OEM services for popular brands. These statements directly support capability for both customer-specified and original-design manufacturing.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a factory.

Q:How long is your delivery time?

Generally 5-10 days if goods are in stock. If not in stock, it is 45 days, depending on quantity.

Q:What are your terms of payment?

For payments <=1000USD, 100% in advance. For payments >=1000USD, 50% T/T in advance, balance before shipment. Also accept irrevocable LC at sight.

Q:What materials and grades are available?

Material is 40Cr. Available grades include 12.9, 10.9, 8.8, 6.8, and 4.8.

Q:What sizes and specifications do you offer?

Sizes range from M20 to M45. Common specifications include M48 x 180, M48 x 210, M48 x 330, M48 x 370, M48 x 390, M48 x 600, M48 x 700, M48 x 900, and M48 x 1080.