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Surface Set Diamond Core Bit

1. Surface set diamond core bit is made by natural diamond with forging process;2. It is produced with stepped profiles with advance raw material;3. We can supply size fits for boart longyear standard;4. Accept sample order and MOQ is 1 piece.
Product Description

Product description


hmlc bits

Surface set diamond core bit is made by natural diamond with forging process, we supply surface set diamond core bit with AQ, BQ, NQ, NQ3,HQ3, PQ, PQ3 etc boart longyear standard sizes. The special design makes the surface set core bits have a best performance in soft formation, and they are typically used for higher penetration rates than impregnated bits in soft, abrasive, unconsolidated formations . We also provide core lifter, core lifter case, core barrel, impregnated diamond core bit, reaming shell, casing shoe, etc drilling accessories. 


Specifications of surface set core bit


Product name

Surface set diamond bit


Natural diamond and stee






Geological drilling and water well drilling


Hole drilling and sample coring

Unit weight



1 piece

HS code



Detail picture of surface set core drill bit


hmlc bithmlc core bit pricediamond core bit
Natural diamond as the cutting teeth. Have fast penetration in soft formation.Surface set core bit diamond gauge to protect the bit diameter reduce.Boart longyear surface set core bits  standard bit thread.


Packaging and shipping of surface set core bits


surface set core bits

Packaging for the Surface Set Diamond Core Bit is in the carton box;

Samples will be sent by express, batch products will be up to the order quantity;

Available products will be sent within 7 working days after confirming the payment, batch products will be up to the order quantity.


Related core drilling accessories


bit hq pricehq reamer shellbw shoe
Impregnated core bitReaming shell
Casing shoes


Why choose us

1. Xi'an Tydrillbits is engaged in geological drilling accessories, such as impregnated diamond core bit, surface set core bit, tungsten carbide core bits, TSP core bits, PDC core bits with matrix body and steel body, etc with AQ, BQ, NQ, NQ3, HQ, HQ3, PQ, PQ3 etc boart longyear standard sizes, reaming shell, casing shoes, rod shoes, core lifter, core lifter case, basket spring etc since 2008, we do spare parts export business since 2014, till now we have clients in more than 50 countries and feedback is good.

2. 10 years manufacturing experience of drill bits;

3. Powerful technology support and mature manufacturing experience;

4. Strict quality control before delivering;

5. 24 hours online service;

6. We can provide customized products with special requirements.

7. We can supply FORM E if you need.

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