137 Rock Drill - 7/8 x 4-1/4" Dry
The Model 137 and Model 155 are used in general construction, utility work, and plant maintenance. They are designed for drilling through granite, hard faced rock, quarry drilling and drilling secondary holes for blasting. They are also used with dowel hole drilling machines. Adaptable to wet drilling application by attaching APT valve, wet tube and swivel assembly.
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SPECIFICATIONS
| Type |
|
Dry |
| Chuck Size |
in |
7/8 x 4-/14 |
| Bore |
in |
2-3/8 |
| Stroke |
in |
2-5/8 |
| Impact Rate |
bpm |
2300 |
| Air Consumption |
cfm |
85-90 |
| Weight |
lbs |
38 |
| Length |
in |
19-3/4 |
| Air Inlet |
in |
1/2" Male NPT |
CONSUMABLES
DOCUMENTATION
COMMON REPLACEABLE PARTS AND ACCESSORIES
