Drilling And Cutting, Japan, Unika
UNIKA LHC Rotary Hammer Core Drill
Manufacturer: UNIKA
Model: LHC type (Complete set)/ LHC type (Body)/ LHC type (Shank Assembly)/ LHC type (Center Pin)
■Large-bore drilling is possible even with small, lightweight hammer drills which have low striking force.
■The inclusion of spiral design for swift swarf removal.
■Center pin does not require guide plate.
◆Effective Length: 80mm
◆Matching drill: Rotary hammer drill
USES
Concrete•Block•Brick•Mortar•Slate
■Handling Procedure
-
Screw the shank into the core drill body.
-
Insert and set the center pin while aligning it with hole on the tip end of the shank.
-
Attach to the lightweight hammer drill. This completes preparation.
-
Only the center pin is required for positioning. Once complete positioning is made by drilling to a depth of approximately 5 mm, pull out the center pin and continue drilling operation.
■Drilling Data
- Test conditions
-
- Work material: Concrete, Drilling depth: 60 mm, Core diameter used: 35 mm
- Motor used: BOSCH GBH2/20S 500W, electronic stepless transmission
- Test Results
-
- Average time: 3 min. 42 sec.
- Fastest time: 2 min. 28 sec.
- electrical drills appropriate for the core drill used.
- Be sure to turn off the main switch of the drill and disconnect the power supply plug from the socket before attaching and detaching the core drills.
- Do not touch the core drill, the shavings, or the drilled hole because they may be hot.
- Wear working clothes suitable for the operation, including eye protection equipment to prevent shavings from getting into your eyes.
- Prepare the working environment before starting jobs.
- Read carefully the instruction manual for the electrical drill used before use.
SPECIFICATION
LHC type (Complete set) LHC type (Body)
| Size | Diameter(mm) | Size | Diameter(mm) | Size | Diameter(mm) | Size | Diameter(mm) | |
| LHC-25 | 25 | LHC-55 | 55 | LHC-25B | 25 | LHC-55B | 55 | |
| LHC-29 | 29 | LHC-60 | 60 | LHC-29B | 29 | LHC-60B | 60 | |
| LHC-32 | 32 | LHC-65 | 65 | LHC-32B | 32 | LHC-65B | 65 | |
| LHC-35 | 35 | LHC-70 | 70 | LHC-35B | 35 | LHC-70B | 70 | |
| LHC-38 | 38 | LHC-75 | 75 | LHC-38B | 38 | LHC-75B | 75 | |
| LHC-50 | 50 | LHC-80 | 80 | LHC-50B | 50 | LHC-80B | 80 |
LHC type (Shank Assembly) LHC type (Center Pin)
| Size | Overall Length(mm) | Size | Overall Length(mm) | |
| LHCSK-No.1X105 | 105 | LHCCP-No.3 | 116 | |
| LHCSK-No.1X300 | 300 | |||
| LHCSK-No.2X105 | 105 | |||
| LHCSK-No.2X300 | 300 |
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