137 Rock Drill American Pneumatic Tools
The 137 is a versatile mid-sized rock drill used for secondary blast holes, general construction, and public utility works. The 137 is capable of drilling 2 inch diameter 8 feet deep at a rate of 6 inches per minute. Available in 3 shank sizes and wet or dry drilling options.
| MODEL |
5223 & 5224
|
5225 & 5226
|
5227 & 5228
|
|---|---|---|---|
| CHUCK SIZE (in) | 7/8″ x 3-1/4″ | 7/8″ x 4-1/4 | 1 x 4-1/4″ |
| BORE DIAMETER (in) | 2-3/8 | 2-3/8 | 2-3/8 |
| STROKE (in.) | 2-5/8 | 2-5/8 | 2-5/8 |
| BPM | 2300 | 2300 | 2100 |
| CFM @ 90psi | 85-90 | 85-90 | 85-90 |
| WEIGHT (lbs) | 38 | 38 | 38 |
| LENGTH (in.) | 19-3/4 | 19-3/4 | 19-3/4 |
| AIR INLET SIZE | 1/2 MALE NPT | 1/2 MALE NPT | 1/2 MALE NPT |
