How are the bolts installed in rock or concrete?

The expansion shell expands when the bolt is tightened by an installation drill, holding the rock together.

What are the available payment terms?

We accept LC and T/T as terms of payment for international transactions.

What is the diameter range of the expansion shell bolts?

The diameter typically ranges from 35mm to 38mm, with lengths between 1m and 4m.

Expansion Shell Anchor Bolt Mining Rock Bolts Mechanical Roof Bolt

Name: Expansion Shell Anchor Bolt Mining Rock Bolts Mechanical Roof Bolt
Brand: Ningbo Supreme Machinery Co., Ltd.
SKU: 2030137345

Zhejiang, ChinaNingbo Supreme Machinery Co., Ltd.

US$1.35

100 Pieces

Product profile

Customization

Available

After-sales Service

12 Months

Warranty

12 Months

Model NO.

SS8933

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 compliant for global safety standards.

Durable Material Composition: Constructed from carbon steel and ductile iron for high strength and longevity.

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

Robust Manufacturing Process: Advanced casting, forging, stamping, CNC machining, and welding techniques.

Reliable After-Sales Support: Includes 12 months warranty and dedicated after-sales service coverage.

Customizable Dimensions: Size and specifications available as per customer drawings for unique needs.

Efficient Surface Treatment: Sand blast finish with oil rusty coating for enhanced corrosion resistance.

Consistent Lead Time: One month average lead time for both peak and off-peak production seasons.

Company profile

Ningbo Supreme Machinery Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 1990-02-01Nearest Port: Ningbo, Shanghai, TianjinAverage Response Time: ≤15hTerms 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