China National Complete Plant & Tools Co. Ltd.


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Tunnel Boring Machine Components Carbide Drill Bits High Hardness Durable

Good quality PDC Drilling Bit for sales
Good quality PDC Drilling Bit for sales
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Tunnel Boring Machine Components Carbide Drill Bits High Hardness Durable

China Tunnel Boring Machine Components Carbide Drill Bits High Hardness Durable supplier

Large Image :  Tunnel Boring Machine Components Carbide Drill Bits High Hardness Durable

Product Details:

Place of Origin: Shandong/China
Brand Name: RZ
Certification: CE, ISO, CNAS, GS, CQC,
Model Number: RZ50/30

Payment & Shipping Terms:

Minimum Order Quantity: 100PCS
Price: $20-300 USD/PCS
Packaging Details: Box/Stand package
Delivery Time: 6-8 working days
Payment Terms: T/T, L/C
Supply Ability: 10000 units/month
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Detailed Product Description
Machine Type:: Drilling Tool Body Material: Tungsten Carbide
Compatible: Atlas Feature: Durable


This Model use high hardness carbide for the tip of cutting pick, ensure the abrasive resistance.

Using the independent high temperature solder.

The welding temperature can be more than 1100℃ to avoid the carbide tip fall off when drilling.

The hardness of lower section is HRC42. This technology is to increase the abrasion, anf prevent the lower section break from the high strength impact.

Using the advanced heat-treatment technology to depart the product in 2 sections with different hardness, the hardness of upper section is HDR52.

Fracture-proof and wear resistant carbide tip

High-quality soldered connection between tip and shaft

Large base diameter to protect the cutting tool holder

Pre-tensioned spring sleeve to reduce wear in the receiving bore

Wear plate to protect the cutting tool holder

Long shaft to protect the receiving bore


we can offer:

various foundation drilling bits and blocks,drill teeth,bullet teeth,picks and blocks, HDD drilling bits,

replaceable quick change blocks and welding bars for casing/coring barrels,

trenching bits and blocks, water well drilling tools, surface and underground mining picks and blocks,

road milling and stabilization bits and blocks, tunnel wear tools,

recycling wear tools, steel forgings & castings wear tools.


High quality material from Valin Group
Guaranteed welding process(full welding)
Optimized teeth angle
Specialized teeth arrangement
Movable pilot holder(easy to replace teeth)
Conical body (protect drilling buckets from getting stuck )


Standard or OEM or customized products are provided
Track the production
Arrange samples for inspection if needed
Take photos for confirmation ,or make testing by the Third party before shipment
Arrange for customs clearance
Track the shipment
Track problems after order
Collect suggestions from customers




Contact Details
China National Complete Plant & Tools Co. Ltd.

Contact Person: Mr. Qin

Tel: 86-1088029158

Fax: 86--13436940854

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