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Litian Heavy Industry Machinery Co., Ltd
Litian Heavy Industry Machinery Co., Ltd
sandvik rd520, rd525 shank adapter
sandvik rd520, rd525 shank adapter

RD520, RD525 Shank Adapter

Specification of RD520, RD525 Shank Adapter

App.

Thread

Length[mm]

Diameter[mm]

Weight[kg]

Model No.

Similar Part No.

DT

T38

525

45

5.7

T38*10D45-525

7304-7669-01 / 90029009

DT

R38

525

45

5.6

R38*10D45-525

7804-7669-01

DT

T45

525

45

5.7

T45*10D45-525

7305-7669-01 / 90029622

DT

T38

600

45

6.5

T38*10D45-600

7304-7666-01 / 90029021

DT

T38

745

45

7.5

T38*10D45-745

7304-7685-01 / 90029496




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Litian Updates
Why Are My Button Bits Losing Buttons?
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Litian Updates
Jun 12-2026
T45 vs. T51 Button Bits: Which Thread Size Is Better for Hard Rock Drilling?
Choosing the right threaded button bit for hard rock drilling is one of the most important decisions you'll make on any drilling project. Get it right, and you'll enjoy faster penetration, longer bit life, and lower cost per meter.
Jun 05-2026
Why Are My Button Bits Losing Buttons?
If you’ve been in rock drilling for any length of time, you know the frustration all too well. You’re making good progress, penetration rates are steady, and then suddenly—a button is gone.
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R32 Button Bits: Sizes, Threads and Applications
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Litian is a professional manufacturer focused on the production of rock drilling tools and excavation tools.

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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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