Drilling And Cutting, Japan, Unika
UNIKA HC Hammer Core Drill
Manufacturer: UNIKA
Model: HC type (Set)/ HC type (Body)/ HC type (Shank Assembly)/ HC type (Center Pin)/ HC type (Guide Plate)
■Smoothly transmit powerful hammering and rotation force to offer rapid drilling through reinforced concrete(up to 10mm-reinforced).
■Extremely thin body incorporates double spiral to eliminate dispersion of drilling force due to swarf.
■Cope with thick concrete by using shank sizes up to 450mm long.
◆Effective Length: 100mm
◆Matching Drill: Hammer drill
USES
Concrete•Block•Brick
■Handling Procedure
-
Screw the shank into the core drill body.
*When removing the core body and the shank, place the body facing upward while inserted into the main unit and strike a few times to loosen the round screw. -
Insert and set the center pin while aligning it with hole on the tip end of the shank. Attach a guide plate to the set center pin.
-
Attach to the hammer drill as in the case with the conventional hexagonal shank drill and bull point.
-
Only the center pin is required for positioning. Pull out the center pin once the work material is drilled to a depth of approximately 5 mm and the drill tip end stops turning, then continue drilling operation.
■Drilling Data
- •Test conditions
-
- Core diameter used: 55 mm
- Subject material: Concrete (FC = 24.5 MPa)
- Drilling depth: 100 mm
- •Test Results
-
- Time required for drilling: 5 min.
- Drilling durability count: 100 pcs. or more
- Use 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.
■Compatible motors
| Manufacturer Name | Model No. | |
|---|---|---|
| Hammer Drill | HITACHI | PR25B |
| DH35 | ||
| PR38E | ||
| PR40SA | ||
| DH40SR | ||
| DH45SA | ||
| DH42 | ||
| Makita | HR3520 | |
| HR3530 | ||
| HR3850 | ||
| HR3811 | ||
| HR4030C | ||
| RYOBI | ED-383N | |
| ED-382NA | ||
| ED-382NP |
SPECIFICATION
HC type (Set)
| Size | Diameter(mm) | Size | Diameter(mm) | Size | Diameter(mm) |
| HC-25 | 25 | HC-55 | 55 | HC-105 | 105 |
| HC-29 | 29 | HC-60 | 60 | HC-110 | 110 |
| HC-32 | 32 | HC-65 | 65 | HC-120 | 120 |
| HC-35 | 35 | HC-70 | 70 | HC-130 | 130 |
| HC-38 | 38 | HC-75 | 75 | HC-150 | 150 |
| HC-45 | 45 | HC-80 | 80 | ||
| HC-50 | 50 | HC-95 | 95 |
HC Type (Body)
| Size | Diameter(mm) | Size | Diameter(mm) | Size | Diameter(mm) |
| HC-25B* | 25 | HC-55B | 55 | HC-105B | 105 |
| HC-29B* | 29 | HC-60B | 60 | HC-110B | 110 |
| HC-32B | 32 | HC-65B | 65 | HC-120B | 120 |
| HC-35B | 35 | HC-70B | 70 | HC-130B | 130 |
| HC-38B | 38 | HC-75B | 75 | HC-150B | 150 |
| HC-45B | 45 | HC-80B | 80 | ||
| HC-50B | 50 | HC-95B | 95 |
HC type (Shank Assembly) HC type (Center Pin)
| Size | Overall Length(mm) | Size | Overall Length(mm) | |
| HCSK-No.1X200 | 200 | HCCP-No.1 | 135 | |
| HCSK-No.1X300 | 300 | HCCP-No.2 | 126 | |
| HCSK-No.1X450 | 450 | |||
| HCSK-No.2X200 | 200 | |||
| HCSK-No.2X300 | 300 | |||
| HCSK-No.2X450 | 450 |
HC Type (Guide Plate)
| Size | Diameter(mm) | Size | Diameter(mm) |
| HCGP-32 | 32 | HCGP-75 | 75 |
| HCGP-35 | 35 | HCGP-80 | 80 |
| HCGP-38 | 38 | HCGP-95 | 95 |
| HCGP-45 | 45 | HCGP-105 | 105 |
| HCGP-50 | 50 | HCGP-110 | 110 |
| HCGP-55 | 55 | HCGP-120 | 120 |
| HCGP-60 | 60 | HCGP-130 | 130 |
| HCGP-65 | 65 | HCGP-150 | 150 |
| HCGP-70 | 70 |
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