Aggressive Angle PDC Drill Bits for Efficient Anchor Hole Drilling

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Basic Specifications

Model NO.

GDW28 GDW30 GDW32 GDW45

Material

Tungsten Carbide

Standard

AISI, ANSI

Surface

Polishing

Process

Casting

Bit Type

Tungsten Carbide Inserts

Advantage

Wear and Corrosion Resistance

Production

100,000 Capacity

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Product Description

PDC Bit Thread & Connectivity
Square/ Taper/ Lock, Connection customized service available. We can manufacture based on your specific drawings or samples to ensure exact matching.

Available Sizes & Features
Sizes range from 50mm to 254mm, including Wireline core bits (A, B, N, H, P gauge).

Suitable for soft, medium, and hard formations.
Super strong materials for enhanced gauge wear resistance and long bit life.
Unique back rake design reducing torque and increasing aggressiveness.
Non-coring PDC bits offer high efficiency and excellent performance-cost ratio.

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Application Range

Geology, coal field, metallurgy, and mine core drilling.
Core engineering exploration for roads, railways, bridges, and hydropower.
Foundation treatment, grouting reinforcement, and broken ground drilling.
Large diameter engineering, hydrology water wells, and construction pile foundations.
Tunnel ventilation, exhaust gas monitoring, and concrete sampling.

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Technical Specification

Core Barrel Spec	Max Outside Set Dia		Min Outside Set Dia
Core Barrel Spec	Inches	mm	Inches	mm
AQ	1.88	47.75	1.87	47.50
BQ	2.35	59.69	2.34	59.44
NQ	2.97	75.44	2.96	75.19
HQ	3.77	95.76	3.755	95.38
PQ	4.815	122.30	4.795	121.80
T2-101	3.981	101.12	3.971	100.80

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Our Advantages

Highly erosion-resistant matrix and superior gauge protection.
Use of high-grade metal powders and advanced geometric designs.
Hot-pressure sintering matrix for maximum drilling efficiency.
Customizable PDC bits based on detailed client requirements.
Over 20 years of professional technical manufacturing experience.
Cost-effective solutions with high-quality products and reasonable pricing.

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Packing & Delivery

Our facility spans approximately 310,000 square feet with a workforce of over 200 professionals. We specialize in critical components for mining machinery, including PDC drill bits, cutting picks, and mining drill rods. Our products have been exported to more than 100 countries, including the USA, Australia, India, Canada, Spain, Russia, Turkey, and Germany.

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Frequently Asked Questions

1. Are you a manufacturer or a trading company?

We are a dedicated manufacturer with over 30 years of professional production experience specializing in PDC drill bits, cutting picks, and mining drill rods.

2. What quality certifications do your products have?

Our products comply with ISO9001:2015, ISO14001:2015, and ISO45001:2018 standards, ensuring high quality and environmental safety.

3. How do you manage quality control?

We employ a professional and strict QC team that inspects every single item one by one before shipment to ensure zero defects.

4. Do you accept sample orders?

Yes, trial or sample orders are welcome. Sample production typically takes 7-10 days after confirmation.

5. What shipping methods and payment terms are available?

We offer shipping by express, sea, or air. Payment terms include T/T, D/A, D/P, and L/C to suit your preferences.

6. What is your after-sales service policy?

Our team responds within 24 hours. We provide continuous technical support and offer free replacements for any confirmed quality failures.