64mm T38 Retrac Threaded Button Bit

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thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks. Besides, we can design customized thread button drill bits according to different drilling application, and custom drill bits are applicable to drill soft rock, loose-medium rock and hard rock.
  • Retrac Threaded Button Bit
  • Kingkong Drills
  • T38-64
  • 64mm T38 Retrac Threaded Button Bit
  • Retrac Bit
  • flat, uniface, drop center
  • T38/R38
  • Carbide shape: Dome, ballistic, semi-ballistic
  • benching and long-hole drilling underground
  • MF rod, MM rod heavy duty top hammer
  • superior alloy steel and tungsten carbide

Rock Drill Thread Button Bits is suitable for R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60 rock drill rods use. It have many thread. It's widely used for hard rock(f=8~18) drilling use.

1) Thread connection: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60

2) Alloy steel:42CrMo

3) Suitable carbide tips:YK05

4)Technology:hot-pressing or welding

T38 Threaded Button Bits is the most important size for benching and long-hole drilling underground.

Diameter 64mm 76mm, 89mm,

Skirt body: retrac, and normal,

Face type: flat, uniface, drop center

Carbide shape:  Dome, ballistic, semi-ballistic

Used in bench drilling, underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer.

retrac drill bits2retrac drill bits3T51 retrac bit3

Application of retrac bits

Thread button bits are widely used in mining, water well drilling, RC drill rig, blast holes drilling and construction etc because of wear-resistance and impact toughness.

open pit mining

Except for retrac t38 button bits 64 mm, we also supply normal body thread button bits, DTH hammer bits, and taper button bits, etc

Before Official Order, please confirm below informations:

(1) Thread Type

(2) Standard or Retrac

(3) Bit button shape (tip shape)--Spherical or Ballistic

(4) Bit face shape--Drop Center, Flat Face, Convex, Concave, etc...

Contact Amy Zhang for more details

Email: amy@kingkongdrills.com

Mobile: +86 13907256175 (Wechat/Whatsapp/Skype) 

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    No. 41, Ping An Rd, CBD, Zhengzhou, Henan Province, 
P.R.China 450000
   Friendly Links:   www.kingrockdrillingtool.com

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