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Litian Heavy Industry Machinery Co., Ltd
Litian Heavy Industry Machinery Co., Ltd
ST68 Retrac Button Bit
ST68 Retrac Button Bit

Specification of ST68 Retrac Button Bit

DiameterButtonsFlushing HoleWeightModel No.

[mm]
[in]		Gauge
[No.] × [mm]		Front
[No.] × [mm]		Side
[No.]		Front
[No.]
[kg]
1024"10 × 124 × 12, 4 × 12-49.3ST68-10218YSA
1154 1/2"10 × 144 × 14, 4 × 14-410ST68-11518YSA



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Coupling Sleeve
Small Hole Drilling Tools
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TBM Cutter
TBM Disc Cutter
Single Disc Cutter Double Disc Cutter Twin Disc Cutter Triple Disc Cutter Disc Cutter Ring Disc Cutter Components
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Litian Updates
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Litian Updates
Sep 12-2025
Threaded Drill Bits - Ideal for Deep Rock Drilling
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Cross-type drill bits are specialized tools designed for drilling through hard and abrasive rock formations, making them a top choice for professionals seeking the best drill bit for hard stone. Their...
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Introduction to Tapered Drill Bits: Best for Hard Rock Drilling
Litian Rock Drilling Tools Manufacturers

Litian is a professional manufacturer focused on the production of rock drilling tools and excavation tools.

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Products
Top Hammer Drilling Tools
Button Bit Drill Rod Shank Adapter Coupling Sleeve Small Hole Drilling Tools
TBM Cutter
TBM Disc Cutter Soft Ground Cutter
Raise Boring Cutters
Kerf Roller Cutter Random Roller Cutter
Hot Sales
Application
Mining Tunneling & Underground Project Construction Drill And Blast Quarrying & Aggregate Hydropower Project

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