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ST58 Retractable Drill Bit Tungsten Carbide Hardened Steel Drill Bits Diameter 89mm - 115mm

ST58 Retractable Drill Bit Tungsten Carbide Hardened Steel Drill Bits Diameter 89mm - 115mm

    • ST58 Retractable Drill Bit Tungsten Carbide Hardened Steel Drill Bits Diameter 89mm - 115mm
    • ST58 Retractable Drill Bit Tungsten Carbide Hardened Steel Drill Bits Diameter 89mm - 115mm
    • ST58 Retractable Drill Bit Tungsten Carbide Hardened Steel Drill Bits Diameter 89mm - 115mm
  • ST58 Retractable Drill Bit Tungsten Carbide Hardened Steel Drill Bits Diameter 89mm - 115mm

    Product Details:

    Place of Origin: China
    Brand Name: MIROC
    Model Number: 4148300985-4148300988

    Payment & Shipping Terms:

    Minimum Order Quantity: 5
    Price: USD$80-$120
    Packaging Details: Carton Box or Wooden Box
    Delivery Time: 15-20 days
    Payment Terms: T/T or L/C, D/A, D/P, Western Union, MoneyGram
    Supply Ability: 20000 pieces per month
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    Detailed Product Description
    Product Nmae: Retractable Drill Bit Body Material: 45CrNiMoV
    Button Material: YK05 Thread Type: ST58
    Diameter: 89mm - 115mm Color: Green Or Customize
    Processing Type: Forging Application: Mining
    High Light:

    stone drilling bits

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    mining drill bits

    ST58 Retractable Drill Bit Tungsten Carbide Hardened Steel Drill Bits Diameter 89mm - 115mm

     

    Description
    This type of bit is well known for its wear resistance on soft to medium-hard rock formations (between 55 Mpa to 165 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture. Recommended for eliminating hole deviation.

    • Widely used drifting and tunneling
    • Bit face design is ideal for soft to medium rock formations
    • With Retrac Wings to help guide the bit in and out of the hole
    • Effective in straight hole drilling


    Color: Green,Blue or Based on Customer requirements


    Material: Tungsten carbide and high strength alloy steel


    Processing: CNC milling and proprietary heat treatment process


    Type: ST58 Retrac Button Bit Ballistic Buttons


    Applications
    • Underground mining
    • Tunneling


    Competitive Advantage

    • High grade tungsten carbide inserts
    • Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment


     
    specification


     

    Part Number Bit Diameter (mm) Bit Diameter (inch)

    Front Buttons

    (No. x mm)

    Gauge Buttons 

    (No. x mm)

    4148300985 89 3 1/2 6x12 8x14
    4148300986 89 3 1/2 4x13, 1x13 8x13
    4148300987 102 4 7x12 8x14
    4148300988 115 4 1/2 6x14 8x16

     

    Product Code and Brief Description Angle

    Front Flushing 

    Holes

    Side Flushing 

    Holes

    Weight 

    (kg)

    R1489-ST58-B-1, ST58 Retrac Button Bit, Ballistic Buttons 35° 2 1 5.1
    R1389-ST58-B, ST58 Retrac Button Bit, Ballistic Buttons 35° 4 - 5.1
    R1589-ST58-B, ST58 Retrac Button Bit, Ballistic Buttons 35° 2 1 6.5
    R1489-ST58-B-2, ST58 Retrac Button Bit, Ballistic Buttons 35° 2 - 8.5

     

    ST58 Retractable Drill Bit Tungsten Carbide Hardened Steel Drill Bits Diameter 89mm - 115mm

    ST58 Retractable Drill Bit Tungsten Carbide Hardened Steel Drill Bits Diameter 89mm - 115mm

    ST58 Retractable Drill Bit Tungsten Carbide Hardened Steel Drill Bits Diameter 89mm - 115mm

     

    Contact Details
    KSQ Technologies (Beijing) Co. Ltd

    Contact Person: Yingkai

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