TAMCO
TAMCO TJ20 Pneumatic Rock Drill
Overview
The TAMCO TJ20 is a mid-sized, Toku-built Pneumatic Rock Drill for road building, shaft sinking, quarrying and general construction. Its removable in-line oiler supports lubrication.
The TJ20 is the heavier of the TJ15/TJ20 pair in the cataloged range. Use the application, required drill steel and available airflow to select the configuration for quarry or construction drilling.
Features & Applications
- Removable Clear-View in-line oiler.
- Optional muffler.
- Construction and quarry drilling applications.
- Published weight: 40.7 lb.
- Replaceable chuck bushing and forged latch retainer.
- Specify the required chuck length when selecting drill steel.
Complete tool: TJ20Tool part # TJ20
TJ20. Shank Size: 7/8" x 3-1/4" 7/8" x 4-1/4". Confirm the required fit before ordering.
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TJ20 Part Number
TAMCO TJ20 Rock Drill
TJ20TJ20. Shank Size: 7/8" x 3-1/4" 7/8" x 4-1/4". Confirm the required fit before ordering.Part No. TJ20
SELECT CHUCK SIZE
Match the Shank Dimensions to Your Tool.
Choose Your Stroke:
| Select Your Tool | |
|---|---|
| Part Number | TJ20 |
| Specification | TJ20 |
| Shank Size | 7/8" x 3-1/4" 7/8" x 4-1/4" |
| Piston Stroke | 1-15/16" (49mm) |
| Piston Diameter | 2-11/16" (68mm) |
| Impact Rate Speed | 2,400 BPM 200 RPM |
| Weight | 40.7 lbs (18.5kg) |
| Overall Length | 24-1/32" (610mm) |
| Air Consumption | 87.5 CFM |
| Air Inlet Thread | 3/4" NPT |
| Hose Size | 3/4" (19mm) |
| Maximum Air Pressure | 90 PSI |
Technical Specs
| Specification | TJ20 |
|---|---|
| Shank Size | 7/8" x 3-1/4" 7/8" x 4-1/4" |
| Piston Stroke | 1-15/16" (49mm) |
| Piston Diameter | 2-11/16" (68mm) |
| Impact Rate Speed | 2,400 BPM 200 RPM |
| Weight | 40.7 lbs (18.5kg) |
| Overall Length | 24-1/32" (610mm) |
| Air Consumption | 87.5 CFM |
| Air Inlet Thread | 3/4" NPT |
| Hose Size | 3/4" (19mm) |
| Maximum Air Pressure | 90 PSI |
Complete tool configurations
Match the model, shank and part number. These are complete tools, not replacement parts.
| Model | Shank / Details | Part Number | Quote |
|---|---|---|---|
| TJ20 | TJ20. Shank Size: 7/8" x 3-1/4" 7/8" x 4-1/4". Confirm the required fit before ordering. | TJ20 |





















