• DTH BITS

    Teamwhole manufactures wide range and most efficient down-the-hole (DTH) hammers and bits for the mining blasting, water well especially deep well drilling, foundation construction etc. Our products trust by drilling contractor because of the advantages.

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    12" DTH BITS

    Bit shank: TK12/Numa120/Numa125/SD12/DHD112/QL120

    Matched Hammer: JH12/JS12

    Bit face: Concave, Drop center

    Hole Range: 305-350mm

  • TEAMWHOLE provides a comprehensive range of drill bits designed for all major DTH shank configurations, characterized by precision engineering, superior heat-treatment, and high-quality tungsten carbide inserts.

     

    Our advanced manufacturing processes and proprietary heat-treatment techniques guarantee consistent and reliable performance in our drilling consumables. Each drill bit is equipped with rigorously tested tungsten carbide inserts, ensuring durability and efficiency.

     

    By collaborating closely with our customers and adhering to stringent production controls, we continually refine our technologies. Our commitment to innovation, quality, and durability drives us to enhance our products, while our dedication to excellent customer service ensures that we meet and exceed industry standards. 

  • DTH BIT Face design
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    Flat Face Concave Face Convex Face Drop Center Face
    Suitable for general purpose drilling, including hard and abrasive rock formations. Recommended for drilling in soft to hard formations, the concave face design improves stability and reduces vibration, resulting in straighter holes. Suitable for various drilling applications, including soft, medium-hard, and abrasive rock, providing both speed and durability. Especially used in large diameter bits to ensure straight holes in piling and foundation drilling.

  • Carbides Shape Option

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    Spherical

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    Parabolic

    TEAMWHOLE BITS FOR 12” HAMMER
    Bit shank Diameter Qty*Button Diameter.mm
    Flushing
    Holes
    Weight
    (kg)
    mm inch Gauge Front

    DHD112
    NUMA120
    QL120
    SD12    		 305 12 15*19mm+15*19mm 12*16mm+Side 30*12mm 3 150
    311 12 1/4 18*19mm+24*18mm 9*16mm+Side 15*14mm 3 158
    330 13 24*19mm+12*20mm 15*18mm+Side 15*14mm 3 170
    350 13 3/4 24*19mm+15*18mm 15*16mm+Side 18*14mm 3 179
    381 15 30*19mm+15*18mm 21*16mm+Side 18*14mm 3 205
    400 15 3/4 30*19mm+18*19mm 22*16mm+Side 30*12mm 3 205

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