What is the recommended hole length for installation?

The hole length should be at least 100 mm longer than the bolt to prevent the bail from being dislodged.

What are the available payment terms?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as payment terms.

What is the surface finish of the bolts?

The standard finish is oil rusty, achieved through sand blasting treatment.

Expansion Shell Anchor Rock Bolt for Reinforcing Stability of Coal Mine Tunnels

Name: Expansion Shell Anchor Rock Bolt for Reinforcing Stability of Coal Mine Tunnels
Brand: Ningbo Supreme Machinery Co., Ltd.
SKU: 2260146685

Zhejiang, ChinaNingbo Supreme Machinery Co., Ltd.

US$1.23

1,000 Pieces

Product profile

Customization

Available

After-sales Service

12 Months

Warranty

12 Months

Model NO.

SP4631

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: Certified with CE, RoHS, ISO 9001:2000, ISO 9001:2008, and multiple international standards.

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

Versatile Manufacturing Process: Utilizes casting, forging, stamping, CNC machining, and welding for precision.

One-Sided Wall Formation: Designed for sound rock or concrete allowing efficient one-sided wall forming.

Customizable Dimensions: Size and diameter (35-38mm) can be customized according to specific drawings.

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

Global Market Experience: Exporting since 1990 to North America, Europe, Asia, Africa, and Oceania.

Flexible Payment Terms: Accepts LC and T/T payment methods for secure international transactions.

Company profile

Ningbo Supreme Machinery Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 1990-02-01Nearest Port: Ningbo, Shanghai, TianjinAverage Response Time: ≤11.04hTerms 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