Big One BGS type (Stainless steel) | ANCHOR | Products

■Demonstrates reliable strength by installation with torque control and three-sided wedges.
■Overall length can be checked after installation by marking on the head.
■BGS type is completely made of stainless steel which is resistant to rust.
Used extensively even in humid places.

Dimensional Drawing

(891KB)

Uses

Concrete•Stone

Installation method

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.

■Installation explanatory video

Smart phone and a tablet is here.

■Structural Drawing

■Uses

Electrical, plumbing, air-conditioning / heating duct works, elevator construction work, elevator installation work.

Width across flat/Marking on head

■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
Marking	B	C	D	E	F	H

Before installation

Install it after aligning the nut with the taper end section on the head of the anchor body.

Before installation

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.

Installation check

JCAA Product Certification Mark: Products with this certification mark satisfy the evaluation and certification standards specified
by the Japan Construction Anchor Association (JCAA).

**BGS type** (Stainless steel)FC=21N/mm²
Size	Dia (outside diameter)	L (mm)	TL (mm)	Max. use thickness (mm)	Drilling condition(mm)		Nut width across flat (mm)	Embedment depth(mm)	Max. extraction strength (kN)	Pcs./box	Pcs./ctn	JAN Code
Size	Dia (outside diameter)	L (mm)	TL (mm)	Max. use thickness (mm)	Preparation hole diameter	Preparation hole depth	Nut width across flat (mm)	Embedment depth(mm)	Max. extraction strength (kN)	Pcs./box	Pcs./ctn	JAN Code
BGS-860*	M8	60	25.0	5	8.0	52 or more	13	43 or more	12.7	50	400	4989270731042
BGS-1070*	M10	70	26.5	4	10.0	60 or more	17	52 or more	19.7	30	240	4989270731011
BGS-1080*		80	36.5	13						30	240	4989270731059
BGS-1090*		90	46.5	22						30	240	4989270731028
BGS-1280*	M12	80	29.0	4	12.0	68 or more	19	61 or more	22.7	25	150	4989270731035
BGS-1290*		90	39.0	12						25	150	4989270731066
BGS-1210*		100	49.0	22						25	150	4989270731073
BGS-1212*		120	69.0	42						25	100	4989270731080
BGS-1612*	M16	120	59.0	25	16.0	80 or more	24	71 or more	41.2	10	60	4989270731097

*Maximum extraction strength values are values measured by UNIKA and not standard values.

**BIG ONE Hammering tool**(Machine) [SDS type]
Size	Matching anchor thread dia.	Overall length(mm)	JAN Code
BG-SD	M8,M10,M12	160	4989270940031
BG-16SD	M16	160	4989270940048

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.

**Different diameter high nut for Big One** (Unichrome treatment)
Size	Thread diameter (outside diameter)	Overall length(mm)	Width across flat (mm)	Pcs./box	Pcs./ctn	JAN Code
NBG-3010M	W3/8*M10	40	14	50	400	4989270739017
NBG-4012M	W1/2*M12	50	19	25	200	4989270739031

**Different diameter high nut for Big One** (Stainless steel)
Size	Thread diameter (outside diameter)	Overall length(mm)	Width across flat (mm)	Pcs./box	Pcs./ctn	JAN Code
NBGS-3010M	W3/8*M10	40	14	50	400	4989270739048
NBGS-4012M	W1/2*M12	50	19	25	200	4989270739055