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Impact Resistant 50mm × 66mm Tapered Button Bit For Mine Tunnel Support

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Impact Resistant 50mm × 66mm Tapered Button Bit For Mine Tunnel Support

Name: Impact Resistant 50mm 66mm Tapered Button Bit For Mine Tunnel Support
Brand: HLDRILL
Price: 1 USD

Brand Name : HLDRILL

Place of Origin : CHINA

MOQ : 10PCS

Price : Please contact us

Payment Terms : T/T

Supply Ability : 3000 PCS Per month

Delivery Time : 7-15 Days

Certification : ISO 9001 Certified

Packaging Details : Wooden Boxes, Cardboard Boxes

Face : flat、drop center 、New drop center

Material : Tungsten Carbide

Threadtype : R、T、S、SR、ST

Weight : 0.6 kg

Wearresistance : High

Diameter : 55mm

Usageenvironment : Mining, Construction, Quarrying

Compatibility : Compatible with most drilling rigs

Productname : Impact-resistant 50mm×66mm Tapered Button Bit for Mine Tunnel Support

Name : Button Bit

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Impact-resistant 50mm×66mm Tapered Button Bit for Mine Tunnel Support

Product Specifications

Diameter	55mm
Body Length	66mm
Tapered Degree	11°
Carbide Size	2×9mm, 5×9mm
Carbide Brand and Grade	ZCC/YK05
Steel Grade	45CrNiMoVA
Weight	0.6 kg

Product Overview

This Henglong 50mm × 66mm tapered ball-tooth drill bit is engineered for demanding, high-impact applications in mine tunnel construction and underground reinforcement projects. Combining exceptional durability with precision drilling performance, it delivers reliable operation in medium-hard to hard rock formations.

Essential tool for underground mine tunnel support systems
Ideal for anchor bolt drilling and excavation operations
Constructed from high-quality heat-treated steel for maximum strength
Features wear-resistant tungsten carbide ball teeth for extended service life
Reinforced drill rod and integrated button welding withstand repeated impact loads
Minimizes equipment downtime during high-intensity drilling operations
50mm drilling diameter with 66mm working length for consistent, uniform holes
Critical for maintaining tunnel wall stability and preventing collapses
Tapered drill rod ensures seamless compatibility with most underground rock drilling machines

Product Images

Impact Resistant 50mm × 66mm Tapered Button Bit For Mine Tunnel Support

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Impact Resistant 50mm × 66mm Tapered Button Bit For Mine Tunnel Support

Impact Resistant 50mm × 66mm Tapered Button Bit For Mine Tunnel Support

Impact-resistant tapered button bit

50mm×66mm mine tunnel bit

Button bit for tunnel support

Impact Resistant 50mm × 66mm Tapered Button Bit For Mine Tunnel Support Images