APT - 137 ROCK DRILL - PN : 5227

APT - 137 ROCK DRILL1"    x 4-1/4"PN : 5227 The APT Model 137 Rock Drill is a versatile midsize Rock Drill used in general construction, utility work, and plant maintenance. It is designed for drilling through granite, hard faced rock, quarry drilling and for drilling secondary holes for blasting. It can also be used in conjunction with dowel hole drilling machines. The Model 137 is adaptable to wet drilling application by attaching the APT valve, wet tube and swivel assembly.   TECHNICAL INFORMATION Type Dry Hex Chuck Size     in     1 x 4-1/4 Stroke     in    2 - 3/8" Blows per minute    bpm     2 - 5/8" CFM @ 90 psi     cfm   32-36 Weight     lbs    19 Length     in     19 Air inlet NPT      3/8" NPT Male