Long Drill Bits – 6" to 12" Extended Length for Hard-to-Reach Areas

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Long Drill Bits – Extended Length Drill Bits for Deep Hole Drilling in Metal, Wood & Woodworking Projects​

Long Drill Bits – Extended Length Drill Bits for Deep Hole Drilling in Metal, Wood & Woodworking Projects​

Find the best ​​long drill bits​​ for deep hole drilling—choose from extended length twist drill bits for metal, wood, and woodworking projects. Shop 6-inch to 18-inch long drill bits for reaching tight spaces and hard-to-access areas. Get durable extended-length drill bits for professional and DIY use.​
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Advantages of Long Drill Bits

Strong Wear Resistance

Super coarse particles of Alloy,Good Wearproof.

High-Strength Alloy Steel

Selecion of high strength alloy steel after heat treatment.

Ultra-Hard Wear-Resistant Layer

Superhard wear resistance layer around alloy and Eight Alloystrip

Long Service Life

The service life is 2~3 times of the ordinary Product

Long Drill Bits – 6-Inch to 12-Inch Extended Length Drill Bits for Hard-to-Reach Areas​

Feature

Adjustable cutting arms can meet the specific requirements of different reaming diameters;

After reaming the bore hole, convey spoil with drilling bucket or cleaning bucket;

Cutting arms are easy to spread and retract; box-type structure is easy to maintenance;

Applicable layers: hard stratum ,frozen soil and medium soft rock;

FAQ

What's your main products?

Our main products includes drilling buckets, drilling teeth, single roller cone bit, tricone bit, raise boring roller cutter.
Yes, please contact us for details.
Each product will be inspected in strict procedure before delivery.
Usually 30% deposit in advance by T/T, delivery against balance.

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What Our Clients Are Saying

Marco T.
Marco T.

The lifespan of these bits is incredible. I'm spending less on replacements and more time actually drilling.

Alex K.
Alex K.

The speed and clean cut through masonry saved our project timeline. A clear step above the competition.

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Why Choose Us

Why Choose Us

Wuhan YIJUE Tengda Machinery Co. Ltd., established in 2010 with 22,000 square meter production base and obtained ISO9001 and 60 patent certificates. As a professional pile foundation drilling tools supplier with main products include drilling bucket, casing tube, conduit pipe, engineering teeth kelly bar, single roller cone bit, drilling teeth, used machine and so on. We have excellent teams who focus on product development & design, quality control & inspection and company running. In order to supply the satisfied factory products and services, we have built a modern quality management system which is in strict accordance with international standards. Our goal is to offer you the best hole quality, the most meters drilled per hour, and the lowest production cost possible. It's just that simple. Our products are also exported to clients in USA, Australia, Poland, Pakistan etc.
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