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Brand Name : CHANGTAN
Model Number : R25,R28,R32,R38, T38,T45,T51,GT60
Certification : SGS/CE/ISO9001
Place of Origin : CHANGSHA HUNAN
MOQ : 1 pc
Payment Terms : T/T L/C
Supply Ability : 1000 pc /MONTH
Delivery Time : 7-10 working days
Packaging Details : Exported wooden box
Thread type 1 : R25
Thread Type 2 : T38
Thread Type 3 : GT60
Specification:
Thread:R25,R28,R32,R38,
T38,T45,T51,ST58,GT60
Diameter:38--127
Head style:H(For extremely hard rock),A(For hardrock)
S(For soft rock),M(For abrasive rock)
Skirt: Normal, Lengthen, Retrac
Features:
Made from top quality steel and tungsten carbide as same as internationally well-known brand
Apply “hot-insertion” processing procedure to insert the buttons as same as internationally well-known brand
Optimized designs improve the drilling speed
Automatic production line ensure the quality stability
Military grade requirements of heat-treatment guarantee durability of the bits.

Contact Us
Sales Manager: Cindy Tang
Mobile/Whatsapp/Wechat :+86-18274862632 (online support)
Skype: tangjingjing31
Email:sales4@changtan.com
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Tapered and Thread Rock Drilling Button Bit Images |