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Customized Retrac Button Bits

China King-Long Brand Rock Drilling Tools
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Type of Products: Long Hole Drilling Retrac Button Bits

Flushing Groove:

A. Designed to remove cuttings more efficiently.

B. Deeper and larger grooves provide smooth flushing and removes material faster

C. Provides longer tool life.

Retrac Button Bits Head Dia: 64mm, 70mm, 76mm.89mm, 102mm

Thread At Bit End: R, T, ST, GT Threads.


Bit Head Design:

A. Designed the popular LATERAL section of bit head.

B. Shortened bit head has faster penetration time

C. LATERAL bit head reduces drilling time.


Button Configurations:

A. Design of button layout and location

B. Optimized rock breakage with each turn of the bit

C. offer longer tools life.


Tungsten Carbides:

A. Continuous improvements and new tungsten carbide grades

B. For a variety of ground conditions, we offer a variety of tungsten carbide grades and shapes.


Carbide shape variety

Round :Utility carbide shape. Strong configuration against carbide fracture

Semi ballistic Combined wear resistance and high penetration rate. Recommended for medium- hard rock with moderate abrasitivity.

Ballistic: Higher penetrating carbide shape than Semi ballistic shape. Recommended for soft rock.

Spike: Highest penetrating carbide shape. *Weak configuration against carbide fracture. Recommended for soft to medium- hard rock.


Flushing Hole Variety

V: Face flushing hole, normal flushing hole design.

W: Face and side flushing hole, effective in case of plugged face flushing hole.


Skirt Variety

S: Straight Skirt, normal bit skirt design.

R: Retrac Skirt, retrac wings help to guide the bit in and out of the hole. Effective in straight hole drilling.


Photograph of Long Hole Drilling Retrac Button Bits

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