Roof Bolter Drill Bit
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Factory price 50mm 2 Wings PDC Anchor Bit Roof Bolter Drill Bit for Mining
Type: 50mm 2 Wings PDC Anchor Bit
Under the same rock layer conditions, the drilling life is 10-30 times that of ordinary alloy bits, and the efficiency is improved by at least 60%.
Factory sales 30mm 2 wings PDC Anchor Bit for Mining
Type:PDC anchor bit
Outer diameter: 30mm. Blade count: 2.
PDC cutters: 1304 series, 13mm diameter, premium grade.
China Manufacturer 28mm 2 wings PDC Anchor Bit Roof Bolter Drill Bit for Mining
Type: 28mm 2 wings PDC Anchor Bit
Two PDC cutters per wing deliver fast penetration at low thrust — suitable for hand-held roof bolting equipment in restricted access headings.
Factory Sales 42mm 2-wing Enhanced PDC Anchor Bit Roof Bolter Drill Bit for Mining
Type:42mm PDC anchor bit
Enhanced blade construction with additional PDC cutter rows extends service life 25-35% compared to standard two-wing anchor bits in formations above 60 MPa.
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