Core Bit Coupling Manufacturer,Supplier and Exporter in India

Core Bit Coupling

Product Code : TVT-MTE-10643

The Core Bit Coupling is a threaded connector accessory used to join a diamond core bit crown to its core barrel tubing during concrete or rock coring.

How It Works

The coupling threads onto the core bit crown at one end and the core barrel tubing at the other, providing a secure, aligned connection through which the rotary drive and cooling water of a coring machine are transmitted to the cutting crown as it advances into the concrete or rock being sampled.

Technical Specifications

ParameterSpecification
Available Sizes38mm, 50mm, 75mm, 100mm, 150mm, 200mm
Thread1¼″ x 3P (38mm size)

Applications

Core bit couplings are used as part of the coring assembly for extracting concrete or rock cores per ASTM C42/C42M: Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete and IS 516 (Part 4), connecting the cutting crown to the barrel tubing on a Laboratory Coring Machine.

Related Products & Category

Listed under Miscellaneous Testing Equipments. Related products: Core Bit Crown and Core Bit Tubing.

Frequently Asked Questions

What is a core bit coupling used for?
It threads the core bit crown to the core barrel tubing, transmitting rotary drive and cooling water to the cutting crown during coring.

What sizes are available?
It is available in 38mm, 50mm, 75mm, 100mm, 150mm, and 200mm sizes to match the corresponding core bit crown and tubing.

Which standard applies to concrete coring?
ASTM C42/C42M and IS 516 (Part 4) govern obtaining and testing drilled concrete cores.

Request a Quote

To price the Core Bit Coupling, tell us the sizes and quantities you need and where they should be delivered. Send an enquiry to Tvet Equipments.

Last updated: September 2026

   

Office Address

Works:Tugalpur, S Sector KP-1, Behind Kailash Hospital,
Greater Noida City - 201310. Uttar Pradesh

[email protected]

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