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Mining Tricone Bit

PRODUCT PARAMETERS

Product Type: Mining Tricone Bit

Body Material: 4145H high-strength torsion-resistant alloy steel body (adapted to high-load, impact-resistant conditions of mining hard formations)

Tricone Tooth Material: YG13C impact-resistant cemented carbide (features high wear resistance and anti-chipping properties, matched to hard rock cutting needs in mining)

Outer Diameter Specifications: Common sizes 9-7/8″ (250.8mm), 12-1/4″ (311.15mm), 14-3/4″ (374.65mm) (customizable for mining-adaptive sizes)

Applicable Formation: Medium-hard to ultra-hard rock formations (granite, quartzite, iron ore layers, mine fracture zone formations)

Tricone Structure: Reinforced three-roller rolling cutting structure (equipped with self-cleaning chip removal grooves to improve high chip removal efficiency in mining)

Nozzle Configuration: Large-flow wear-resistant nozzles (matched to high-displacement drilling fluid in mining, enabling efficient cooling of tricone teeth and cuttings discharge)

Connection Thread: API standard mining drill pipe thread (e.g., 4-1/2″ REG, compatible with mining rig tool strings)

Applicable Working Conditions: Mine roadway drilling, mineral resource exploration drilling, mine slope support drilling

Compliance Standard: Conforms to API 7-1 drilling bit industry standard and mining drill tool safety technical specifications

Description
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Description

Mining Tricone Bit

1. Material

Tooth types:

Steel Tooth – for soft to medium formations (e.g., sandstone, shale)

TCI (Tungsten Carbide Insert) Tooth – for hard formations (e.g., limestone, basalt)

Body: Wear-resistant alloy steel, surface hardened for durability.

2. Application
Used in mining exploration, open-pit blast holes, anchor holes, and explosive charge holes.
Advantages: Cost-effective, versatile, suitable for both air and mud drilling conditions.

3. Specifications
Common diameters: φ76mm, φ89mm, φ105mm, φ127mm, φ133mm, φ152mm, φ171mm, φ190mm
API Connecting thread2 3/8″, 2 7/8″, 3 1/2

4. Example Models

IADC 216 – Soft formation, steel tooth

IADC 437 – Medium-hard formation, steel tooth

IADC 517 / 637 – Hard formation, TCI tooth

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