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KOKEN BORING MACHINE CO., LTD.

KOKEN BORING MACHINE CO., LTD.

Drilling Tools

Bit (Roof type)

Home > Products > Bit (Roof type)
Drilling Tools
Bit (Roof type)
Inner bit
Outer bit

Stratum: Soft rock
Mudstone, Limestone, Sandstone etc.

Outer bit – roof type – Inner bit – roof type –
Name Bit x Rod Name Bit x Rod
101D-P89-R 101 mm x P89 65D-P57-R 65 mm x P57
101D-P96-R 101 mm x P96
125D-P120-R 125 mm x P120 80D-P73-R 80 mm x P73
137D-P73-R 137 mm x P133 101D-P73-R 101 mm x P73
141D-P133-R 141 mm x P133 101D-P89-R 101 mm x P89
157D-P146-R 157 mm x P146 116D-P89-R 116 mm x P89
170D-P165-R 170 mm x P165 127D-P120-R 127 mm x P120
225D-P216-R 225 mm x P216 175D-P120-R 127 mm x P120
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