What is the minimum order quantity?

The minimum order quantity is 1 pc.

What are the available grades?

Available grades include 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, and 12.9.

Bucket Bolt Bucket Screw Ball Mill Bucket Bolt Liner Bolt

Name: Bucket Bolt Bucket Screw Ball Mill Bucket Bolt Liner Bolt
Brand: Wuxi Eternal Bliss Alloy Casting & Forging Co., Ltd.
SKU: 2014566365

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

US$4.80-6.50

20 Sets

Sample price:US$6.50/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

Carbon Steel, High Strength Steel, Stainless Steel

Advantage

High-Strength

Size

M2-M20

Class/Grade

3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9

Surface Finishing

Hot Galvanizing, Black, Color-Zinc, Blue-White Zin

International Standard

DIN, ANSI, GB, JIS, Bsw, GOST

Used

Machinery, Chemical Industry, Environmental, Build

Model No.

M4-M100

Transport Package

Plywood Case

Specification

M30 x 370mm

Trademark

Origin

China

HS Code

731815

Production Capacity

500000pieces/Year

Key features

High-Strength Material: Made of 40Cr steel with grades ranging from 4.8 to 12.9 for superior durability.

Wide Size Range: Available in sizes M2-M20 and M20-M100 to fit various machinery needs.

Multiple Head Styles: Offering Oval, Square, Ellipse, and Round head shapes for diverse applications.

Customizable Surface: Surface finishing options include Hot Galvanizing, Black, Color-Zinc, and Blue-White Zinc.

OEM/ODM Services: Full customization available from samples or designs with dedicated R&D support.

Proven Application: Widely used in large ball mills up to 12 meters and various cement and coal mills.

Complete Kit: Standard units include rubber ring, concave washer, spring washer, and nut.

International Standards: Compliant with DIN, ANSI, GB, JIS, Bsw, and GOST standards.

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: ≤3.07h

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.