CLUSTER DRILL PRODUCTS
KEYSTONE HP
HEAVY DUTY DESIGN COUPLED WITH HARD HITTING CS8 HAMMERS AND 10” QUICK CHANGE BITS, MAKES THE KEYSTONE HP SUPERIOR FOR LARGE HOLE APPLICATIONS
Change bits in the field
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Patented quick change technology allows bits to be replaced in the field
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Bit installation with all-thread and wrench
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Bit removal with air powered hydraulic power pack
CLUSTER REAMER
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Drill large diameter holes with less bits/hammers and air compressors
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Sizes up to 144" (Consult factory for larger sizes)
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Cluster Reamers have a guide ring designed to follow a smaller pilot hole
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Divide hole drilling into progressive steps with the same bits, hammers, and air requirements
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Cluster Reamers are also available in reverse circulation canisters
CLUSTER POLE DRILL
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Continuous Rotation Swivel Drilling
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Mark VI, Side Inlet Swivel included (4" NPT Inlet)
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4,700 lbs. fully loaded (24")
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Approximately 9-1/2' tall
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Available in 24", 30", and 36" diameters
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Adapter to weld hex connection or Kelly box (Keystone or customer supplied)
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6' standard drilling depth
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Add custom pipe strings to increase drilling depth to your specification
PERCUSSION CORE BARREL
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Reduce number of compressors, bits, and hammers needed to drill hole
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Ex. 48" Core Barrel - 3 bits/hammers, 48" Cluster Drill - 7 bits/hammers
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3 1/2' drilling depth until stub removal (greater depths are possible upon request)
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Integrated "ratchet" air inlet
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10" wide Kerf (48" Core barrel leaves 28" stub)
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Same low height as traditional Cluster Drill
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Reduced overall weight
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Reduced overall weight on bit requirement
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Reduced operating torque
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Custom sizes available
