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Top hammer retractable drill bit T51 underground mining drill bit

Views: 2     Author: Site Editor     Publish Time: 2022-10-28      Origin: Site

Top hammer retractable drill bit T51 underground mining drill bit

  1. Thread connection: R25, R28, R32, R38, T38, T45, T51, ST58, GT60 and ST68.

  2. Carbide profile: Spherical, ballistic and parabolic.

  3. Bit Faces: flat, concave, convex and drop-center, uniface.

  4. Bits Diameters: 33mm-152mm

  5. Bit body: standard and retrac

    T38-76mm button bit (3

Our offering covers all construction, quarrying and mining drill &blast applications from soft to hardest rock conditions. Please find the most suitable product for your needs on our on-line catalogue!
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Thread Button Bit Diameter Carbide size(mm) Flushing hole Weight
mm in Front Gauge Front Side (kg)
  Qty×size   Qty×size
R25 (1") 33 1 19/64 2×7 5×7 1 1 0.36
35 1 3/8 2×7 5×8 1 1 0.44
38 1 1/2 2×7 5×9 1 1 0.56
41 1 5/8 2×8 5×9 1 2 0.61
45 1 3/4 2×8 5×10 1 2 0.78
48 1 7/8 2×9 5×11 1 2 0.8
51 2 2×10 5×11 1 2 1.18
57 2 1/4 2×10 5×12 1 2 1.26
R28 (1 1/8") 35 1 3/8 2×7 5×8 1 1 0.44
38 1 1/2 2×7 5×9 1 1 0.56
41 1 5/8 2×8 5×9 1 2 0.61
45 1 3/4 2×8 5×10 1 2 0.78
48 1 7/8 2×9 5×11 1 2 0.8
51 2 2×10 5×11 1 2 1.18
57 2 1/4 2×10 5×12 1 2 1.26
R32 (1 1/4") 41 2 5/8 2×8 5×9 1 2 0.65
43 1 11/16 2×8 5×10 1 2 0.72
45 1 3/4 2×9 5×10 1 2 0.82
48 1 7/8 2×10 5×10 1 2 0.92
51 2 2×10 5×11 1 2 1.24
57 2 1/2 2×10 5×12 1 2 1.35
R/T38 (1 1/2") 64 2 1/2 3×11 6×12 2 1 1.62
70 2 3/4 4×10 8×10 2 1 1.98
76 3 4×11 8×12 2 1 2.28
89 3 1/2 6×11 8×12 2 2 3.32
T45 (1 3/4") 70 2 3/4 4×10 8×10 2 1 2.24
76 3 4×11 8×12 2 1 2.46
89 3 1/2 6×12 8×14 2 2 3.52
102 4 7×12 8×14 2 2 4.46
115 4 1/2 8×12 8×14 2 2 6.68
T51 (2") 76 3 4×12 8×12 2 1 3.62
89 3 1/2 6×12 8×14 2 2 4.48
102 4 7×12 8×14 4 1 5.26
115 4 1/2 8×12 8×14 4 1 7.62
127 5 9×12 8×16 4 1 8.58
ST58 (2 1/4") 89 3 1/2 6×12 8×14 2 2 5.46
102 4 6×12 8×14 2 2 6.18
GT60 (2 3/8") 102 4 6×13 8×14 4 - 7.4
115 4 1/2 7×14 9×16 3 - 9
ST68 (2 3/4") 102 4 6×14 8×16 2 2 8.6
115 4 1/2 6×14 9×16 3 - 11.2


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retractable drill bit T51 bit mining drill bit Drill Bit

Bestlink Factory

Xiamen Bestlink Factory Co., Ltd  is  committed  to  provide  the  best  drilling  and  cutting machine,  tools and accessories products in marble and granite stone quarrying,  as well as in civil engineering application, especial demolition project. it is now a leading manufacturer of cutting and drilling equipment for the extraction of marble, granite  and ornamental stones in china.  

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