What are the payment terms?

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

What is the surface treatment of the bolts?

The surface treatment is sand blast, and the finish is oil rusty to prevent corrosion.

What is the main application of these anchor bolts?

They are commonly used for rock support in mining industry, sound rock, and concrete walls.

Hollow Grouting Anchor Bolt with Expansion Shell Mechanical Roof Bolt

Name: Hollow Grouting Anchor Bolt with Expansion Shell Mechanical Roof Bolt
Brand: Ningbo Supreme Machinery Co., Ltd.
SKU: 2010180425

Zhejiang, ChinaNingbo Supreme Machinery Co., Ltd.

US$1.00

100 Pieces

Product profile

Customization

Available

After-sales Service

12 Months

Warranty

12 Months

Model NO.

SP5644

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

Multi-Standard Compliance: Meets global standards including CE, RoHS, ISO 9001, AISI, ASME, BS, ANSI, JIS, GB, ASTM, and DIN.

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

Versatile Manufacturing: Produced via casting, forging, stamping, CNC machining, and welding for high durability.

Reliable Rock Support: Expansion shell design tightens in holes to hold rock together, ideal for mining and concrete walls.

100% Quality Control: Strict QC process ensures every anchor bolt meets safety and performance requirements.

12-Month Warranty: Comprehensive 12-month warranty and after-sales service coverage for peace of mind.

Wide Market Reach: Exported globally to North America, Europe, Asia, Africa, and Oceania with 30+ years experience.

Flexible Payment Terms: Accepts LC and T/T payment methods to accommodate various international business needs.

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