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

  • Patented quick change technology allows bits to be replaced in the field

  • Bit installation with all-thread and wrench

  • Bit removal with air powered hydraulic power pack

CLUSTER REAMER

  • Drill large diameter holes with less bits/hammers and air compressors
     

  • Sizes up to 144" (Consult factory for larger sizes)
     

  • Cluster Reamers have a guide ring designed to follow a smaller pilot hole
     

  • Divide hole drilling into progressive steps with the same bits, hammers, and air requirements
     

  • Cluster Reamers are also available in reverse circulation canisters

CLUSTER POLE DRILL

  • Continuous Rotation Swivel Drilling

  • Mark VI, Side Inlet Swivel included (4" NPT Inlet)

  • 4,700 lbs. fully loaded (24")

  • Approximately 9-1/2' tall

  • Available in 24", 30", and 36" diameters

  • Adapter to weld hex connection or Kelly box (Keystone or customer supplied)

  • 6' standard drilling depth

  • Add custom pipe strings to increase drilling depth to your specification

PERCUSSION CORE BARREL

  • Reduce number of compressors, bits, and hammers needed to drill hole

  • Ex. 48" Core Barrel - 3 bits/hammers, 48" Cluster Drill - 7 bits/hammers

  • 3 1/2' drilling depth until stub removal (greater depths are possible upon request)

  • Integrated "ratchet" air inlet

  • 10" wide Kerf (48" Core barrel leaves 28" stub)

  • Same low height as traditional Cluster Drill

  • Reduced overall weight

  • Reduced overall weight on bit requirement

  • Reduced operating torque

  • Custom sizes available

REVERSE CIRCULATION

  • Continuous rotation drilling

  • No need to trip out of the hole

  • Fastest, most efficient way to drill

  • Specially desinged canister to route cuttings through tubes into interchange

  • Requires RC- Interchange, Pipe, and Swivel

  • Complete containment and control of cuttings

  • Perfect for flooded holes

  • Use a conventional cluster drill in a reverse circulation application

  • Add reverse circulation interchange/crossover

  • Add sealing plate to direct cuttings into interchange

  • All the benefits of RC without a specialized canister

CALL FOR AVAILABILITY OF USED PRODUCT

© 2019 by Keystone Drill, Inc. Designed by PrecisionBS.com

Corporate Headquarters

184 Alisa Street

Somerset, PA 15501

800-221-0586

Branch Locations

12655 Route 536
Punxsutawney, PA 15767
800-626-2298

315 Zane Grey Road
Norwich, OH 43767
800-628-4135

@2019 Keystone Drill, Inc. Designed by Precision Business Solutions