ANCHOR

Big One BGL/BGSL/BGL-D type (For suspension objects)

Wedge anchor

JCAA

  • ■Demonstrates reliable strength for installation of suspension objects by installation by torque control and large three-sided wedge.
  • ■Reliable installation can be visually checked by holed different diameter high nut.
  • ■Installation is also easy with small diameter preparation hole because thread diameter and preparation hole diameter are the same.
  • ■Expands while following up the load and demonstrates stable strength.
  • ■Working efficiency is also increased by an exclusive hammering rod.

Dimensional Drawing

unika news PDF(835KB)

Big One BGL/BGSL/BGL-D type (For suspension objects)

Uses

Concrete•Stone

Installation method

  1. Drill vertically to target surface with the determined preparation diameter and preparation hole depth.
  2. Use a dust collector or blower to thoroughly remove chips in the hole.
  3. Hammer in until the washer contacts the installed object.
  4. Use a torque wrench to tighten the nut to the specified torque value.
  5. The three-sided wedge expands and installation is completed.

Precautions on use

  • 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

Big One BGL/BGSL/BGL-D type (For suspension objects) Installation explanatory video

Precautions

Before installation

Set the anchor on a position where the head of the anchor body starts to be seen from the nut hole.

Before installation

Installation check

Unless installed with the specified preparation hole diameter and preparation hole depth, torque cannot be applied and the installation is made improperly. Check the preparation hole diameter and install in another position.

Installation check

■Structural Drawing

Big One BGL/BGSL/BGL-D type (For suspension objects) Structural Drawing

■Uses

Installation of suspension object

■Tightening torque (different diameter high nut)

Thread
nominal
diameter
M10 M12
Width
across
flat
14mm 19mm
Tightening
torque
30N•m 45N•m

Width across flat

JCAA Product Certification Mark
Products with this certification mark satisfy the evaluation and certification standards specified
by the Japan Construction Anchor Association (JCAA).
BGL type (Unichrome treatment)FC=21N/mm2
Size Dia
(outside
diameter)
L
(mm)
TL
(mm)
High nut
thread
diameter
Drilling
condition
(mm)
Nut
width
across
flat

(mm)
Embedment
depth
(mm)
Max.
extraction
strength

(kN)
Pcs./box Pcs./ctn JAN Code
Preparation
hole diameter
Preparation
hole depth
BGL-3070M* M10 70 26.5 W3/8 10.0 60 or more 14 52 or more 19.3 30 180 4989270730052
BGL-4080M* M12 80 29.0 W1/2 12.0 68 or more 19 61 or more 20.6 20 120 4989270730076

*JCAA certified product

BGSL type (Stainless steel)FC=21N/mm2
Size Dia
(outside
diameter)
L
(mm)
TL
(mm)
High nut
thread
diameter
Drilling
condition
(mm)
Nut
width
across
flat

(mm)
Embedment
depth
(mm)
Max.
extraction
strength

(kN)
Pcs./box Pcs./ctn JAN Code
Preparation
hole diameter
Preparation
hole depth
BGSL-3070M* M10 70 26.5 W3/8 10.0 60 or more 14 52 or more 19.9 30 180 4989270731103
BGSL-4080M* M12 80 29.0 W1/2 12.0 68 or more 19 61 or more 20.7 20 120 4989270731110

*JCAA certified product

BGL-D type (Hot-dip galvanization)FC=21N/mm2
Size Dia
(outside
diameter)
L
(mm)
TL
(mm)
High nut
thread
diameter
Drilling
condition
(mm)
Nut
width
across
flat

(mm)
Embedment
depth
(mm)
Max.
extraction
strength

(kN)
Pcs./box Pcs./ctn JAN Code
Preparation
hole diameter
Preparation
hole depth
BGL-3070D M10 70 26.5 W3/8 10.0 60 or more 14 52 or more 19.6 30 180 4989270732087

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

Big One high nut exclusive hammering rod (SDS for machine hammering)
Size Anchor size(mm) Overall length(mm) JAN Code
NBG-30SD BGL-3070M/BGSL-3070M/BGL-3070D 150 4989270739116
NBG-40SD BGL-4080M/BGSL-4080M 166 4989270739123

Big One high nut exclusive hammering rod (SDS for machine hammering)

Precautions on use

  • Set the high nut at the specified height to tap.
  • When hammering, press the rotation stop bar against the handle of the motor, and use in a fixed state.
  • Make sure to tighten to the specified torque value using a torque wrench after hammering.

*Note that some hammering rods cannot be used on the wedge type anchors (high nut) of other makers.

Torque Wrench for Big One (Tightening only)
Size Tightening torque
(N・m)
Overall length
(mm)
Drive Size
(mm)
Head Width
(mm)
Head Thickness
(mm)
JAN Code
TBG-33045 30/45 302 9.5 32 15 4989270739062

Torque Wrench for Big One (Tightening only)

Precautions on use

  • Use for tightening only.
  • When the proper tightness is reached using the torque wrench, there should be a click sound. At that time the proper tightness is achieved. Do not tighten any further, stop rotating and applying force at that time.

*The torque wrench has two settings (30N/m and 45N/m) which should be used depending on the wedge anchor size. Initially when you open the box the wrench is set at the 30N/m setting. Adjust it to the proper setting after you select the anchor.

Big One safety work set
Size Anchor product No. Prepared Hole Drill Hammering Tool Torque wrench Socket JAN Code
BC-01 BGL-3070M(30 pcs.) UX10.0(1 pcs.) NBG-30SD TBG-33045 3S-14L 4989270946309
BC-02 BGL-3070M(30 pcs.) UX10.0(1 pcs.) - TBG-33045 3S-14L 4989270946293
BC-03 BG-1070(30 pcs.) UX10.0(1 pcs.) - TBG-33045 3S-17 4989270946286

Big One safety work set

Socket
Size Width across flat
(mm)
Overall length
(mm)
Outside diameter
(mm)
Drive Size
(mm)
JAN Code
3S-14L 14 54 20.0 9.5 4953488111019
3S-17L 17 54 24.0 9.5 4953488111040
3S-19L 19 54 26.0 9.5 4953488141702
3S-17 17 30 23.0 9.5 4953488110531
3S-19 19 32 26.0 9.5 4953488110555

Socket

Big One BGL bucket set
Size Anchor product No.
Preparation hole drill
Hammering rod
BB-05 BGL-3070M(150 pcs.) UX10.0(1 pcs.) -
BB-02 BGL-4080M(60 pcs.) UX12.0(1 pcs.) -
BB-03 BGL-3070M(150 pcs.) UX10.0(1 pcs.) NBG-30SD

*Contact us for set details.

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