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Rope Standard Thread Button Bits

Rope standard thread button bits (R-thread bits) are a classic and widely used type of threaded rock drilling tool, primarily designed for smaller diameter holes and lighter drilling rigs. They feature a distinctive rounded "rope" profile on the threads, which makes them highly versatile for mining, tunneling, and construction projects.Core FeaturesThread Profile: The "Rope" thread (R-series) has a rounded, shallow helix angle.Standard Sizes: Common sizes include R22, R25, R28, R32, and R38.Design: These bits combine a high-strength alloy steel body with tungsten carbide buttons (spherical, ballistic, or parabolic) strategically placed on the bit face to maximize rock fragmentation.
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Product Advantage

The rope thread design offers specific operational benefits, especially in smaller-scale or underground operations:


Easy Make-up and Break-out: The rounded profile and smaller helix angle allow for quick connection and disconnection of the bit from the drill rod, which can often be done manually or with light equipment.


High Flexibility: Their simple design makes them ideal for environments requiring frequent bit changes or where space is confined.


Shock Absorption: The thread design is generally more "forgiving" in tough drilling conditions, helping to transfer impact energy while managing the shockwaves that can otherwise damage the drill string.


Cost-Effectiveness: For small-hole applications (typically 33mm to 45mm), rope threads are often more economical than more complex T-thread or DTH systems.


Versatility: They can be used to run drill strings with extension steels, allowing operators to drill deeper holes or work in restricted areas


Technical Parameters

Technical Parameters

FAQ

Is there a minimum order quantity (MOQ)?

Yes, the minimum is 5 units.


Do you accept pre-order testing?

Yes; however, the customer is responsible for the cost of samples and shipping fees. The minimum order for samples is 5 units.


Do you accept customization?

Yes; this requires either technical drawings or physical samples.


Can colors and logos be customized?

Yes. If no specific requirements are provided, the standard color is black. Laser engraving for logos is available for orders of 10 units or more.


What is the typical lead time?

We maintain ample stock, so the standard lead time is typically 2 days. In the event that items are out of stock, batch production requires 10–15 days.


Do you hold any relevant quality certifications?

Yes, we hold both BV and CE certifications.


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Zhenqian Development Zone, Baitang Town, Hanjiang District, Putian City, Fujian Province, China
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