133mm PDC Core Drill Bit Rock Breaking 127mm Coal Mining

Place of Origin China
Brand Name Hainaisen
Certification API & ISO 9001
Model Number 133QA28
Minimum Order Quantity 10 pieces
Price To be negotiable
Packaging Details customized
Delivery Time 5-7 business days
Payment Terms T/T, L/C
Supply Ability 300pcs per day

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Product Details
Product Name Rock PDC Core Drill Bit Usage Mining & Coal & Well
Advantage Best Price Machine Type Drilling Tool
Packing Carton Market All Over The Word
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Hainaisen 133mm PDC Core Drill Bit


Hainaisen rock PDC Core Drill Bit


127mm coal mining drill bits

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Product Description

133mm PDC Core Drill Bit PDC Drilling Bit Rock Dril Bit Well Drill Bit



1. The structure of the core drill bit is simple, and the cutting track is single in the underground.It is easy to be saltatory during the drilling. The high impact-resistance cutters (model 1308) are making sure stablize the bit.

2. We adopt five-axis high-precision process technology to design the noumenon of the core drill bit, so the tooth hole of the bit is in a high precision, and the bit is more stable during the drilling.

3. The use of gauge bars strengthens the overall structure of the drill bit, and at the same time enhances the impact resistance of the core drill bit, the fluctuation stability of the cutting force during the rock breaking process is good, and the rock breaking efficiency is high.


Size 133mm
Model number 133QA28
Body type High Manganese Steel
Primary PDC cutter size 1308
API connection connect 127mm core barrel
Suitable formation F≤12
Application Mining&Coal&Well
Quality High Level
Package Corrugated carton
MOQ 10 Pieces
Certificate ISO 9001
Customized Size Yes


133mm PDC Core Drill Bit Rock Breaking 127mm Coal Mining 0


Our drills will ship within 5 days after 50% full payment is confirmed. The drill bits will be shipped by sea or air as your request. And if you have any other questions, please contact us freely. Thanks!

133mm PDC Core Drill Bit Rock Breaking 127mm Coal Mining 1


Our Principle

We adhere to the principles of high quality, high quality service, and innovation. We also insist on providing efficient products and quality services. If you are interested in our drills, please feel free to contact us. We are looking forward to cooperating with you!



Q1: Is your company a distributor or a manufacturer?
A: We are a professional Rock Bits manufacturer in China.

Q2: How about your products?
A: All our activities are accredited to ISO9001: 2008, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.We have many high quality prducts (the more information).

Q3: About lead time and shipping time?
A: The lead time depends on the quantity of the order. Usually, it will take 3-5 days to ship to Tianjin Port or XI'AN Airport, China. For the small order or urgent order, we can send you by air once the order is confirmed.


Q4: what is the time about the delivery?
A: The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement. According the distance from China to your port, usually from China to European about 25 days. To West of American 20 days.