NationalDriller September 2011 : Page 2

Now A vailable F rom (800) 221-0586 184 Alisa Street, Somerset, Pennsylvania 15501 • Phone: 814.443.2670 (Service Ext. 223) (Parts Ext. 230) (Sales/Rentals Ext. 221) • Fax: 814.443.6974 24” or 22” 1 ⁄ 2 ” 17 -1 17 ⁄ 4 ” 19” 20” FEATURES: 11” x 20” • Replaceable head sections, no need to stock multiple size bits. • Stock (1) shank & multiple heads. • Remove bit head without removing bit from hammer -CONVENIENCE. • No Scorpion or chain wrenches or tongs required to remove head -SAFER. • Can replace head in 10 minutes -FASTER. • Currently available in QL-120 Shank • Hole-opener heads available. • Ideal for large hole -elevator shaft -construction. Oil and gas applications. Product is protected under the following patent number: South Korean Patent Pending; Canadian Patent Pending; Indian Patent Pending; Australian Patent Pending; European Patent Pending; Japanese Patent Pending; Chinese Patent Application No. 200680054864.5; H.K Patent Pending Application No. 09106773.1 and U.S. Patent No. 7,389,833. www.keystonedrill.com 2 | NatioNal Driller September 2011 Card No. 52

Keystone Drill Services Inc.
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