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ST68 4 5 6 Inch Retrac Button Bit For Improve Hole Straightness 45CrNiMoVA Material

Categories Retractable Drill Bit
Brand Name: MIROC Retract Button Bit
Model Number: ST68 Thread Retract Button Bit
Place of Origin: China
MOQ: 10 Pieces Retract Button Bit
Price: Negotiable
Supply Ability: 20000 pieces per month
Delivery Time: 25 days
Packaging Details: Carton Box or Wooden Box
Certification: ISO
Product: Retract Button Bit
Thread: ST68
Body Type: Retract
Material: 45CrNiMoVA
Application: For Mining, Quarry, Tunelling
Weight: 9.3kg-17.8kg
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ST68 4 5 6 Inch Retrac Button Bit For Improve Hole Straightness 45CrNiMoVA Material


ST68 4 Inch 5 Inch 6 Inch Retract Button Bit Design To Improve Hole Straightness


Retract Skirt


For unconsolidated rock formation.


Designed to improve hole straightness, as well as to assist in retrieval of the drilling string.


The splines will also improve the hole flushing characteristics of the bit due to the chip ways between the splines.


ST68 Thread Retrac Button Bit Specification
ST68 Retrac Button Bit
Bit Dia.Buttons and Size (mm)Flushing HoleWeightPart Number
mminchFrontGaugeAngleFrontSidekg
Spherical
10244x12, 4x1210x1235°4-9.34148301024
10244x14, 2x128x1435°4-9.34148301025
1104 1/36x148x1635°2-10.04148301026
1154 1/26x148x1635°2-10.04148301027
12758x149x1635°3-15.04148301028
1405 1/29x149x1635°3-17.84148301029
Ballistic
10244x12, 4x1210x1235°4-9.34148301030
10244x14, 2x128x1435°4-9.34148301031
1104 1/36x148x1635°2-10.04148301032
1154 1/26x148x1635°2-10.04148301033
12758x149x1635°3-15.04148301034
1405 1/29x149x1635°3-17.84148301035


Competitive Advantage
High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance

High grade tungsten carbide inserts
Applications
Used in benching and long hole drilling.
ST68 140mm Retrac Button Bit Photos
Cheap ST68 4 5 6 Inch Retrac Button Bit For Improve Hole Straightness 45CrNiMoVA Material for sale
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