D miningwell Tungsten Carbide Button Drill Bit 32mm 34mm 36mm 38mm tapered rock button bit drill bit for drilling rocks

Technical Parameters
DIAMETER BUTTONS FLUSHING CARBIDE FACE
MM IN GAUGE NO/ SIZE FRONT NO/ SIZE HOLE PROFILE PROFILE
32 1 1/4″ 5×7 2×7 IF1G Parabolic Flat
36 1 13/32″ 5×8 2×7 2F1G Conical Flat
38 1 1/2″ 5×9 2×7 1F2G Conical Flat
38 1 1/2″ 5×9 2×7 2F 1G Conical Flat
38 1 1/2″ 5×9 2×7 2F1G Conical Flat
40 1 9/16″ 5×9 2×8 2F 1G Conical Flat
41 1 5/8″ 5×9 2×8 2F1G Conical Flat
41 1 5/8″ 5×9 2×8 2F 1G Parabolic Flat

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