Self Drilling Anchor Bolt for Tunnel R32mm/R25mm/R51mm with Drill Bit for Rock and Soil Soil Nail Video,Demo, How It Works & Features

Name: Self Drilling Anchor Bolt for Tunnel R32mm/R25mm/R51mm with Drill Bit for Rock and Soil Soil Nail
Uploaded: 2026-08-12T13:43:59+08:00
Description: Watch the Self Drilling Anchor Bolt for Tunnel R32mm/R25mm/R51mm with Drill Bit for Rock and Soil Soil Nail video demo to see how it works, key features, and real-use scenarios. A helpful video guide before you buy.

2026-06-29 4670

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Product Specifications

Model NO.:

Hollow bolts

After-sales Service:

7 X 24 Hours One Week

Warranty:

One Year

Certification:

SGS

Standard:

AISI, ASME, ANSI, JIS, GB

Surface Treatment:

Without Processing

Manufacturing Process:

Hot Rolled

Material:

Carbon Steel, Alloy Steel

Thread Form:

ISO

Tolerance:

+0/-0.2mm

Heat Treatment:

Annealed

Yield Strength:

>125kn

Tensile Strength:

>180kn

Certificate:

Mtc

Delivery Time:

Within 7days

Application:

Mining Drill, Rock Protecting

MOQ:

1tons

Package:

Plastic Clothes Wrapping

Grade:

45# 40cr

Length:

3m, 4m or as Per Client Request

Packing:

100 Pieces or 150 Pieces Per Bundle

Packing Weight:

1tongs Around Per Bundle

Price According to:

Price Is Based on Weight or Length

Trademark:

Xinruyi Steel

Transport Package:

Wrapped by Plastic Clothes

Specification:

25, 28, 30, 32, 34, 38, 51

Origin:

Shandong, China

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