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KOKEN BORING MACHINE CO., LTD.

KOKEN BORING MACHINE CO., LTD.

Drilling Tools

Bit (Button type)

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Drilling Tools
Bit (Button type)
Inner bit
Outer bit

Stratum: Hard, Carbide rock

Rhyolite, Granodiorite, Silica stone, etc.

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