128mm OD Hole Savers High Toughness PP Borehole Protector For Drilling /

MOQ： 10PCS
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Payment Terms	T/T
Supply Ability	3000 per month
Delivery Time	7-15 days
Packaging Details	Wooden Boxes, Cardboard Boxes
Product Name	128mm Outer Diameter Polypropylene Hole Protector
Product Specifications	Outer diameter 128mm, inner diameter 126mm, height approx. 330mm
Product Material	High-toughness polypropylene (PP)
Product Structure	One-piece molding, high strength, not easily broken
Performance Characteristics	Compression resistant, wear resistant, corrosion resistant, strong stability
Main Functions	Stabilizes hole walls, prevents hole collapse, protects borehole formation, reduces drill bit wear
Applicable Scenarios	Mining, tunnels, slopes, foundation pit anchoring, geotechnical engineering
Compatible Equipment	Various anchor bolts, anchor cables, self-drilling anchor bolt installation
Brand Name	HLDRILL
Certification	ISO9001
Place of Origin	CHINA

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Product Details
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Product Specification


Payment Terms	T/T	Supply Ability	3000 per month
Delivery Time	7-15 days	Packaging Details	Wooden Boxes, Cardboard Boxes
Product Name	128mm Outer Diameter Polypropylene Hole Protector	Product Specifications	Outer diameter 128mm, inner diameter 126mm, height approx. 330mm
Product Material	High-toughness polypropylene (PP)	Product Structure	One-piece molding, high strength, not easily broken
Performance Characteristics	Compression resistant, wear resistant, corrosion resistant, strong stability	Main Functions	Stabilizes hole walls, prevents hole collapse, protects borehole formation, reduces drill bit wear
Applicable Scenarios	Mining, tunnels, slopes, foundation pit anchoring, geotechnical engineering	Compatible Equipment	Various anchor bolts, anchor cables, self-drilling anchor bolt installation
Brand Name	HLDRILL	Certification	ISO9001
Place of Origin	CHINA
High Light	128mm OD Hole Savers ，PP Borehole Protector ，Drilling Borehole Protection

128mm OD High-toughness PP Borehole Protector for Stable Wall Protection in Drilling & Anchoring

This polypropylene borehole protector features a 128mm outer diameter, 126mm inner diameter, and approximately 330mm height. Specifically engineered for borehole protection in mining, tunneling, slope stabilization, and foundation pit anchoring projects.

Product Features

Standard 128mm OD and 126mm ID for stable positioning and close borehole wall fit
High-quality polypropylene (PP) material with excellent toughness and durability
One-piece molded structure for high strength and extended service life
Effective borehole formation protection prevents wall collapse and spalling
Reduces drill bit wear and improves construction efficiency
Compatible with various drill rods, anchor rods, and anchoring equipment

Technical Specifications

Outer Diameter	128mm
Inner Diameter	126mm
Height	Approximately 330mm
Material	High-toughness Polypropylene (PP)
Manufacturing Process	Single Molding

Performance Benefits

Provides excellent compressive strength, wear resistance, and corrosion resistance. Stabilizes borehole walls, prevents collapse, protects drilled hole quality, reduces frictional wear, and extends service life of both drill bits and boreholes.

Applications

Widely used in mining operations, tunnel excavation, slope protection, foundation pit anchoring, geotechnical engineering, and various anchor bolt, anchor cable, and self-drilling anchor bolt installation scenarios.

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

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from Quality China Factory

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Business Type:

Manufacturer,Exporter,Trading Company,Seller,Other 
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Year Established:

2018 
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Total Annual:

10000000-30000000
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Employee Number:

30~50 
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Ecer Certification：

Verified Supplier 

HENGLONG is an internationally recognized and leading producer of superior percussive rock drilling tools.Our high performance products include top hammer drill bits extension and tunneling rods,integral and tapered rods,shank adapters,coupling,drag bits,blast furnace tapping tools,self dr... HENGLONG is an internationally recognized and leading producer of superior percussive rock drilling tools.Our high performance products include top hammer drill bits extension and tunneling rods,integral and tapered rods,shank adapters,coupling,drag bits,blast furnace tapping tools,self dr...

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Yanggu Henglong Construction Machinery Co., Ltd.
4F,6# Building,No.19 Hunan Road,Liaocheng City,Shangdong province,China
https://www.drillbuttonbit.com/

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