How does the expansion shell anchor work?

Tightening the bolt forces a tapered cone into wedges, expanding the shell to hold the rock together.

What are the standard dimensions for the anchor bolt?

The bolt diameter ranges from 20 mm to 25 mm, and the length is between 1 m to 4 m.

Which international standards does this product meet?

The product complies with AISI, ASME, BS, ANSI, JIS, GB, ASTM, and DIN standards.

Underground Mining Expansion Shell Anchor Bolt

Name: Underground Mining Expansion Shell Anchor Bolt
Brand: Ningbo Supreme Machinery Co., Ltd.
SKU: 2316180895

Zhejiang, ChinaNingbo Supreme Machinery Co., Ltd.

US$2.12

100 Pieces

Product profile

Customization

Available

After-sales Service

12 Months

Warranty

12 Months

Model NO.

SP9743

Certification

CE, RoHS, ISO 9001:2000, ISO 9001:2008

Standard

AISI, ASME, BS, ANSI, JIS, GB, ASTM, DIN

Surface Treatment

Sand Blast

Manufacturing Process

Casting+Forging+Stamping+CNC Machining+Welding

Material

Ductile Iron, Steel

Item Name

Expansion Shell Anchor Bolt

Application

Mining Industry

Size

as Per Drawing

Diameter

35-38

Finish

Oil Rusty

QC

100%

Transport Package

Wooden Case

Specification

Customized

Trademark

Origin

China

HS Code

8486909000

Production Capacity

80, 000 PCS Monthly

Key features

Comprehensive Certifications: CE, RoHS, ISO 9001:2000, ISO 9001:2008 certified for global compliance.

Diverse Material Options: Available in Ductile Iron and Steel to suit specific mining requirements.

Custom Manufacturing: Size and specifications customizable as per customer drawings.

Robust Surface Treatment: Sand blast finish with Oil Rusty coating for enhanced durability.

Multi-Process Production: Manufactured via Casting, Forging, Stamping, CNC Machining, and Welding.

One-Sided Wall Support: Designed for one-sided forming of walls in sound rock or concrete.

Standard Compliance: Meets AISI, ASME, BS, ANSI, JIS, GB, ASTM, and DIN standards.

12-Month Warranty: Includes 12 months of after-sales service and warranty coverage.

Company profile

Ningbo Supreme Machinery Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 1990-02-01Nearest Port: Ningbo, Shanghai, TianjinAverage Response Time: ≤9.99hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF

About Our Factory & Business Background

AddressYuan Feng Road, Dongjiao Industrial Area Fenghua, Ningbo China, 315500, Ningbo, Zhejiang, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsIron Sand Casting Part, Ductile Iron Casting Part, Gray Iron Casting Part, Stainless Steel Casting Part, Precision Investment Casting Part, Carbon Steel Casting Part, Lost Wax Casting Part, Grey Iron Casting Part