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Open-cutting Drilling Tools

Open-cutting drilling tools are mainly matched for crawler-type full-hydraulic open-cut rock drilling rigs. They are used for drilling medium and large aperture blastholes in projects such as open pit mine development, building stone mining, and hydropower engineering dam excavation.

  • Features and Advantages

    Product Overview

    Open-cutting drilling tools

    They are mainly matched for crawler-type full-hydraulic open-cut rock drilling rigs and used for drilling medium and large aperture blast holes in projects such as open pit mine development, building stone mining, and hydropower engineering dam excavation.

    Product Characteristics

    1. The thread sizes at both ends of the rod body are different, the big end is connected to the equipment, and the small end is connected to the drill bit.

    2. Most of the drill rods are made of hexagonal hollow steel, and less circular hollow steel is used.

    3. According to the internal and external thread types, it is divided into MF rod and extension rod. Most of the drill rods are MF rods, and the lengths are generally 3550mm and 4305mm.

    Product Parameters

    1. Drill rod types: extension rod, MF rod, and guide rod;

    2. Length: 3050mm, 3660mm, 4265mm, 6095mm, etc;

    3. Rod size: H32, H38, D32, D39, D46, D52, D56, D64, D76, and D87;

    4. Thread size: R32, R38, T38, T45, and T51;

    5. 5 types of drill bitscross bit, button bit, drop center button bit, retrac button bit, and drop center retrac button bit;

    6. Bits diameter: button bit – 51mm to 127mm; cross bit – 50mm to 65mm.

    Product specifications

    Type Specification Length Diameter Thread Type Weight
    mm foot/inch mm inch kg
    Extention rod K24032-2435-1313 2435 8′ D32 1 1/4″ R32+R32 13.20
    K24032-3050-1313 3050 10′ D32 1 1/4″ R32+R32 18.12
    K24032-3660-1313 3660 12′ D32 1 1/4″ R32+R32 20.00
    K24032-4000-1313 4000 13′ 1 1/2″ D32 1 1/4″ R32+R32 21.90
    MF rod K25032-2435-1313 2435 8′ D32 1 1/4″ R32+R32 14.60
    K25032-3050-1313 3050 10′ D32 1 1/4″ R32+R32 18.63
    K25032-3660-1313 3660 12′ D32 1 1/4″ R32+R32 22.10
    K25032-4265-1313 4265 14′ D32 1 1/4″ R32+R32 25.60
    Guide rod K26046-3050-1313 3050 10′ D46 1 3/4″ R32+R32 25.00

     

    Type Specification Bit Dia. Button NO. × Button Size (mm) Gauge Tooth Angle Thread Type Weight
    mm inch Gauge Front kg
    Button bit K16351-0603-1315 51 2″ 6×10 3×9 35° R32 1.10
    K16357-0603-1315 57 2 1/4″ 6×11 3×10 35° R32 1.20
    K16351-0603-1325 51 2″ 6×10 3×9 35° R32 1.10
    K16364-0804-1310 64 2 1/2″ 8×11 4×10 30° R32 1.50
    K16376-0804-1315 76 3″ 8×11 4×11 35° R32 2.40
    K16364-0804-1325 64 2 1/2″ 8×11 4×10 35° R32 1.50
    K16376-0804-1325 76 3″ 8×11 4×11 35° R32 2.40
    K16376-0805-1315 76 3″ 8×11 5×10 35° R32 2.40
    K16376-0806-1325 76 3″ 8×11 6×10 35° R32 2.40
    Retrac button bit K16451-0603-1310 51 2″ 6×11 3×10 30° R32 1.30
    K16464-0804-1310 64 2 1/2″ 8×12 4×11 30° R32 2.50
    K16451-0603-1320 51 2″ 6×11 3×10 30° R32 1.30

     

    The above specifications mainly take the R32 heavy-weight rock drill rods with button bits as an example.

    For more product specifications, Please email us at info.k@kellegco.com or leave us a message, Kelleg will provide you with a professional and prompt reply.

    Open-cutting Drilling Tools