Drilling And Cutting, Japan, Unika
UNIKA BG/BG-D Big One
Manufacturer: UNIKA
Model: BG type (Unichromate treatment)/ BG-D type (Hot-dip galvanizing treatment) Wedge: Stainless steel/ BIG ONE Hammering tool(Machine) [SDS type]/ Different diameter high nut for Big One (Unichrome treatment)/ Different diameter high nut for Big One (Stainless steel)
■Demonstrates reliable strength by installation through torque control and three-sided wedges.
■Demonstrates reliable installation strength with the torque control of the three-sided wedges. Installation can be done by either sides of the anchor as the diameter is the same.
■Overall length can be checked after installation by marking on the head.
USES
Concrete•Stone
- Drill vertically to target surface with the determined preparation diameter and preparation hole depth.
- Use a dust collector or blower to thoroughly remove chips in the hole.
- Insert a big one.
- Hammer in until the washer contacts the installed object.
- Use a torque wrench to tighten the nut to the specified torque value.
- The three-sided wedge expands and installation is completed.
- Wear safety protection equipment such as protective glasses, a helmet etc., during installation.
- Use a dust collector or blower to thoroughly remove chips in the hole.
- Select overall length of anchor in consideration of thickness of installed object.
- Align the end face of the nut with the end of the tape to set.
- For installation, use a torque wrench to tighten to the specified torque.
■Structural Drawing
■Uses
Electrical, plumbing, air-conditioning / heating duct works, elevator construction work, elevator installation work.
■Tightening torque
| Thread nominal diameter | M8 | M10 | M12 | M16 |
|---|---|---|---|---|
| Width across flat | 13mm | 17mm | 19mm | 24mm |
| Tightening torque | 15N•m | 30N•m | 45N•m | 100N•m |
■Marking on head
| Overall length(mm) | 60 | 70 | 80 | 90 | 100 | 120 | 140 | 150 |
|---|---|---|---|---|---|---|---|---|
| Marking | B | C | D | E | F | H | J | K |
Before installation
Install it after aligning the nut with the taper end section on the head of the anchor body.
Installation check
If the thread section is protruded by a height of one nut or more when the nut is tightened, it has been improperly installed. Check the preparation hole diameter and install in another position.
- JCAA Product Certification Mark
- Products with this certification mark satisfy the evaluation and certification standards specified
by the Japan Construction Anchor Association (JCAA). 
- Set a nut on the specified position before hammering.
- After hammering, make sure to tighten the nut with a torque wrench to the specified torque.
- It cannot be used for BGL type.
SPECIFICATION
BG type (Unichromate treatment) BG-D type (Hot-dip galvanizing treatment) Wedge: Stainless steel
| Size | Dia (outside diameter) | Size | Dia (outside diameter) | |
| BG-860 | M8 | BG-1080D | M10 | |
| BG-870 | BG-1090D | |||
| BG-1070 | M10 | BG-1290D | M12 | |
| BG-1080 | BG-1210D | |||
| BG-1090 | BG-1212D | |||
| BG-1010 | BG-1612D | M16 | ||
| BG-1280 | M12 | |||
| BG-1290 | ||||
| BG-1210 | ||||
| BG-1212 | ||||
| BG-1215 | ||||
| BG-1612 | M16 | |||
| BG-1614 | ||||
BIG ONE Hammering tool(Machine) [SDS type]
| Size | Matching anchor thread dia. |
| BG-SD | M8,M10,M12 |
| BG-16SD | M16 |
Different diameter high nut for Big One (Unichrome treatment)/ Different diameter high nut for Big One (Stainless steel)
| Size | Thread diameter (outside diameter) | Size | Thread diameter (outside diameter) | |
| NBG-3010M | W3/8*M10 | NBGS-3010M | W3/8*M10 | |
| NBG-4012M | W1/2*M12 | NBGS-4012M | W1/2*M12 |
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