Concrete screw with hexagon head and large disc W-BS/S

Name: Concrete screw with hexagon head and large disc W-BS/S
Brand: Würth
SKU: 5929121185

Concrete screw W-BS, type S w. la. washer ST galv.
ANC-(W-BS/S)-(A2K)-WS15-155-185-10X240

Art.-no. 5929121185

EAN 4046777685107

All versions

Specification

Highest load capacities and efficient mounting. Ideal for mounting wood structures (large washer as per DIN 440) in concrete, zinc-plated steel

Extremely flexible to use due to three anchoring depths

Fastening can be adjusted up to twice after installation, for example in order to align railings or anchor plates (please refer to the assembly guide)

Very high loads

Smallest spacing and edge distance thanks to very low expansion effect

Very fast and easy assembly and immediately load-bearing

Proof of Performance

European Technical Assessment ETA-16/0043 for individual fixing point, option 1, cracked and uncracked concrete:

Static and quasi-static effects

Seismic exposure, performance categories C1 and C2

Fire resistance R30, R60, R90, R120

DIBt National technical approval/general type approval Z-21.1-2075 as bonded screw anchor for anchoring in concrete

Use in combination with injection mortar WIT-BS as bonded screw anchor WIT-BS

In reinforced and non-reinforced and cracked and uncracked concrete C20/25 to C50/60

Notice

From size 8, we recommend the use of a suitable tangential impact screwdriver for installation. The recommended maximum nominal torque must be observed.

Application area

Wooden structures

Adjustment - subsequent aligning possible.

Create the drill hole

Clean the drill hole

Place screw

Screw in the screw

Considered installed when the head is close fitting

Screw out the screw max. 2x each by max. 10 mm. Underlay. Screw in

Considered installed when the head is close fitting. Lining max. 10 mm. The required embedment depth must be maintained as a minimum

Locate the tensioning strand

Mark the tensioning strand and locate the next one

Mark the tensioning strands. Specify the drilling range

Create the drill hole. Observe spacing

Clean the drill hole

Screw in the screw

Considered installed when the head is close fitting. Observe the embedment depth/mirror thickness

European Technical Assessment ETA-16/0043 for individual fixing point, option 1, cracked and uncracked concrete:

Static and quasi-static effects

Seismic exposure, performance categories C1 and C2

Fire resistance R30, R60, R90, R120

DIBt National technical approval/general type approval Z-21.1-2075 as bonded screw anchor for anchoring in concrete

Use in combination with injection mortar WIT-BS as bonded screw anchor WIT-BS

In reinforced and non-reinforced and cracked and uncracked concrete C20/25 to C50/60

Application

Application area

Individual fixing point with approval:

Normal weight concrete C20/25 to C50/60 (cracked and uncracked concrete)

Especially suitable for fixtures in wooden construction applications in concrete:

Mounting of e.g. support beams, sleepers, inferior purlins, canopies, wooden substructures, etc.

Fastenings under seismic conditions in earthquake areas

Fastenings under exposure to fire

W-BS/S (galvanised steel) may only be used in dry indoor room conditions

For use in concrete < C20/25 and pressure-resistant natural stone (without approval)

Technical information

Anchor size	10 mm
Anchor length (l)	240 mm
Attachment height (t fix 1)	185 mm
Attachment height (t fix 2)	165 mm
Attachment height (t fix 3)	155 mm
Thread diameter	12 mm
Nominal drill-bit diameter (d 0)	10.0 mm
Drill hole depth (h 1.1)	65 mm
Drill hole depth (h 1.2)	85 mm
Drill hole depth (h 1.3)	95 mm
Embedding depth (h nom1)	55 mm
Embedding depth (h nom2)	75 mm
Embedding depth (h nom3)	85 mm
External drive	WS15
Material	Steel
Surface	Zinc plated
Washer diameter	44 mm
Through-hole in the component to be connected (d f)	14.0 mm
Head type	Hexagon head
Type description	W-BS type S

Performance data in concrete - fixing point according to ETA-16/0043
Anchor size [mm]			10
Length of anchor in drilled hole		h_nom [mm]	55	75	85
Admissible centric tension load¹⁾ on an individual anchor without the influence of the edge distance	Tensile zone (cracked concrete C20/25²⁾, s ≥ 3 h_ef c ≥ 1.5 h_ef)	N_perm.[kN] = C20/25²⁾	4,3	8,0	9,6
	Compressive zone (non-cracked concrete C20/25²⁾, s ≥ 3 h_ef c ≥ 1.5 h_ef)		5,7	9,5	11,9
Admissible shear load¹⁾ on an individual anchor without the influence of the edge distance	Tensile zone (cracked concrete C20/25²⁾, c ≥ 10 h_ef)	V_perm. [kN] = C20/25²⁾	4,8	15,9	16,2
	Compressive zone (non-cracked concrete C20/25²⁾, c ≥ 10 h_ef)		6,8	16,2	16,2
Permissible bending moment		M_adm [Nm]	26,7
Admissible load under seismic activity performance categories C1 and C2 see European Technical Assessment ETA-16/0043		C1	x		x
		C2			x
Admissible load when exposed to fire (R30, R60, R90, R120), see European Technical Assessment ETA-16/0043
¹⁾ The partial safety factors of the resistances y_M regulated in the evaluation/approval and a partial safety factor of the effects of γ_F = 1.4 have been taken into account. For a combination of tensile and shear loads, for the influence of the edge distance and anchor groups please see the appropriate guidelines e.g. DIN EN 1992-4. ²⁾ The concrete has normal reinforcement. Higher values are possible for higher concrete strengths.

Installation parameters in concrete
Anchor size [mm]		10
Nominal length of thread engagement	h_nom [mm]	55	75	85
Minimum axis distance	s_min [mm]	50
Axis distance	s_cr,N[mm]	129	180	204
Minimum edge distance	c_min [mm]	50
Edge distance	c_cr,N [mm]	64,5	90	102
Minimum member thickness	hmin [mm]	80	90	102
Nominal drill ∅	d₀ [mm]	10
Diameter of cutting edges ∅	d_{cut ≤} [mm]	10,45
Drill hole depth	h₁ ≥ [mm]	65	85	95
Through hole in the component being connected	d_f ≤ [mm]	14
Width across flats	[mm]	WS15
Washer diameter	d_w [mm]	44
Washer thickness	t_w[mm]	4
Screw-head height	h_n [mm]	10
Max. rated torque of tangential impact screwdriver	T_imp,max[Nm]	400