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Customized Rod Taper Drill Bits

China King-Long Brand Rock Drilling Tools.
Best and most suitable manufacturer and supplier as long as you need flexible delivery time, customer-made design and 24 hours day and night production for fast delivery schedule, One Stop Delivery is also available as long as you trust us, we provide the world fastest before and after sales service in your city office or mining office, we are not just a good listener, we also provide our honest solutions to solve your problems or in a word, we are a family and we are looking for friends and being friends first. King-Long Drilling Consumables, once you get used to it, you can never get rid of it, we are not drugs to our clients, we just can not help getting addicted to providing FAST and FLEXIBLE Service 7/24Hours.

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King-Long Brand Rock Drilling Tools:

A: 50 Years Rock Drilling Production Experience;

B: Country-owned Enterprise Built in year of 1970.

C: 20 Years Drill Steels Study Research Efforts.

D: 10 Years Tungsten Carbides Study Research.

E: 20 Years Sophisticated Production Experience and Rock Drilling Business Service more than 25 countries all around the world.

China King-Long Material is proud to introduce King-Long  Rock Tools Our new series designs are the most innovated designs available. The goal of our new series is to offer faster drilling, more wear resistant and extended tool life.

Rod Taper Drill Bits Specifications:

Bit Diameter:30mm 32m 33mm 34mm 36mm 38mm 40mm 43mm.

Steels Material: 45CrNiMoV.

Buttons Shapes: Round, Ballistic, Parabolic, Spherical etc.

Processing Types: Forging.

Hardness Tech: Skirt and Head Hot Treatment.

Applications: Hard Rock Drilling, Mining, Quarrying, Stoning, Construction.

Tapers: 6, 7, 8, 11, 12.

Numbers of Buttons: 4, 5, 6, 7,8.

Tapered Rod Size: Hex 22 Hex25





Designed to remove cuttings more efficiently

Deeper and larger grooves provide smooth flushing and removes material faster

Provides longer tool life


Designed the lateral section of the bit head

Increased clearance angle and shortened bit head to offer highest penetration rate

Reduces drilling time


Design of button layout and location Optimized rock breakage with

each turn of the bit Offers longer tool life


Continuous improvements and new tungsten carbide grades
For a variety of ground conditions, we offer a variety of tungsten carbide grades and shapes

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