Concrete screw with female thread W-BS/S - CONCSCR-(W-BS/I)-(A2K)-SW13-M8/M10-6X55

Concrete screw with female thread W-BS/S - CONCSCR-(W-BS/I)-(A2K)-SW13-M8/M10-6X55 - 1

Concrete screw with female thread W-BS/S - CONCSCR-(W-BS/I)-(A2K)-SW13-M8/M10-6X55 - 2

Concrete screw with female thread W-BS/S - CONCSCR-(W-BS/I)-(A2K)-SW13-M8/M10-6X55 - 3

Concrete screw with female thread W-BS/S - CONCSCR-(W-BS/I)-(A2K)-SW13-M8/M10-6X55 - 4

Concrete screw with female thread W-BS/S - CONCSCR-(W-BS/I)-(A2K)-SW13-M8/M10-6X55 - 5

Concrete screw with female thread W-BS/S

Name: Concrete screw with female thread W-BS/S
Brand: Würth
SKU: 5929176002

Concrete screw W-BS type I zinc plated steel
CONCSCR-(W-BS/I)-(A2K)-SW13-M8/M10-6X55

Art.-no. 5929176002

EAN 4046777685695

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Concrete screw with female thread W-BS/S

Art.-no. 5929176002

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Highest load capacities and efficient mounting. For suspensions and fittings with threaded rods (female thread M8/M10), zinc-plated steel

For anchorage in concrete and masonry

Extremely flexible application thanks to up to three effective anchorage depths

With sleeve and M8/M10 combination internal thread

High loads

Very low spacing and edge distances thanks to very low expansion effect

Very fast and easy installation, particularly overhead, and immediate load-bearing capacity

Fastening can be adjusted up to two times after installation (please refer to the installation instructions)

Proof of Performance

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

Static and quasi-static action (dia. 6)

Seismic action, performance category C1 (dia. 6, tension load only)

Fire resistance R30, R60, R90, R120

European Technical Assessment ETA-23/0196 for anchorage in masonry

Static and quasi-static action (dia. 6)

Fire resistance R30, R60, R90, R120 (dia. 6)

European Technical Assessment ETA-16/0128 for anchors in a redundant non-structural system:

Cracked and uncracked concrete, (dia. 6)

Hollow-core prestressed concrete ceilings C30/37-C50/60, (dia. 6)

Fire resistance R30, R60, R90, R120

Notice

When installing with a tangential impact driver, the recommended maximum nominal torque must be observed. The maximum installation torque specified must be observed when installing the fixtures. When used in masonry, the stone-specific installation data according to ETA-23/0196 must be observed.

Application area

Pipe suspensions

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 action (dia. 6)

Seismic action, performance category C1 (dia. 6, tension load only)

Fire resistance R30, R60, R90, R120

European Technical Assessment ETA-23/0196 for anchorage in masonry

Static and quasi-static action (dia. 6)

Fire resistance R30, R60, R90, R120 (dia. 6)

European Technical Assessment ETA-16/0128 for anchors in a redundant non-structural system:

Cracked and uncracked concrete, (dia. 6)

Hollow-core prestressed concrete ceilings C30/37-C50/60, (dia. 6)

Fire resistance R30, R60, R90, R120

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

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Application area

Anchorages in concrete, individual fixing point with approval (dia. 6):

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

Anchors in a redundant non-structural system in concrete, with approval:

In normal weight concrete C20/25 to C50/60 (cracked and uncracked concrete, (dia. 6))

In hollow-core prestressed concrete ceilings C30/37-C50/60, (dia. 6)

Anchorages in masonry with approval (dia. 6):

In solid calcium silicate block and perforated block

In solid block masonry brick

The simplest solution for suspended installations with threaded rods in sizes M8 and M10. Very efficient fastening solution in concrete for numerous applications involving technical building equipment such as in sanitary, air-conditioning and electrical installations

Ideal for fastening medium loads in concrete and light to medium loads in masonry:

Fastening of e.g. single pipe and ventilation installations, suspended ceiling substructures, suspended cable and pipe trays

Fastenings subject to seismic activity in earthquake-prone areas (in concrete)

Fastenings subject to 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)

Anchor size	6 mm
Thread diameter	7.5 mm
Anchor length (l)	55 mm
Head type	Hexagon head
Connection thread	M8 M10
Material	Steel
Surface	Zinc plated
External drive	WS13
Nominal drill-bit diameter (d 0)	6 mm
Drill hole depth (h 1.1)	40 mm
Drill hole depth (h 1.2)	45 mm
Drill hole depth (h 1.3)	60 mm
Embedding depth (h nom1)	35 mm
Embedding depth (h nom2)	40 mm
Embedding depth (h nom3)	55 mm
Attachment height (t fix 1)	20 mm
Attachment height (t fix 2)	15 mm
Attachment height (t fix 3)	mm
Through-hole in the component to be connected (d f)	8 mm

Performance data in concrete - fixing point according to ETA-16/0043
Anchor size [mm]			6
Nominal screw-in depth		h_nom [mm]	40	55
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⁾	1,0	1,9
	Compressive zone (non-cracked concrete C20/25²⁾, s ≥ 3 h_ef c ≥ 1.5 h_ef)		1,9	4,3
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⁾	3,0	3,3
	Compressive zone (non-cracked concrete C20/25²⁾, c ≥ 10 h_ef)		3,3	3,3
Permissible bending moment		M_adm [Nm]	4,8
Admissible load under seismic activity performance categories C1 and C2 see European Technical Assessment ETA-16/0043		C1	x	x
		C2
Admissible load when exposed to fire (R30, R60, R90, R120), see European Technical Assessment ETA-16/0043

Anchor size [mm]			6
Anchors in concrete in a non-structural system based on a redundant design³⁾		N_perm. [kN] ≥ C20/25	0,6	3.6⁴⁾
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⁾	2,0	3,3
	Compressive zone (non-cracked concrete C20/25²⁾, c ≥ 10 h_ef)		2,8	3,3
Permissible bending moment		M_adm [Nm]	4,8
Admissible load when exposed to fire (R30, R60, R90, R120), see European Technical Assessment ETA-16/0128
Performance data in concrete - anchors in a redundant non-structural system according to ETA-16/0128
Length of anchor in drilled hole		h_nom [mm]	35	55

Performance data in hollow-core prestressed concrete ceilings according to ETA-16/0128
Anchor size [mm]		6
Mirror thickness [mm]		≥ 25	≥ 30	≥ 35
Anchors in a redundant non-structural system in hollow-core prestressed concrete ceilings⁵⁾	F_perm. [kN]	0,4	0,8	1,2
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. ³⁾ The admissible loads were determined without axial influence and the influence of the edge distance. ^₄₎ Number of attachment points ≥ 3 and at least one anchor per attachment point produces a load per attachment point of F_perm ≤ 1.4 kN or number of attachment points ≥ 4 and at least one anchor per attachment point produces a load per attachment point of F_perm ≤ 2.1 kN. The admissible loads can be increased if the design shows that the requirements governing the strength and rigidity of the component to be attached remain satisfied even after the failure of an anchor in terms of the limit state of serviceability and load-bearing capacity. ⁵⁾ The assembly data must be observed.

Installation parameters in concrete
Anchor size [mm]		6
Nominal length of thread engagement	h_nom [mm]	35¹⁾	40	55
Minimum axis distance	s_min [mm]	35	40
Axis distance	s_cr,N [mm]	81	93	132
Minimum edge distance	c_min [mm]	35	40
Edge distance	c_cr,N [mm]	40,5	46,5	66
Minimum member thickness	h_min [mm]	80
Nominal drill diameter	d₀ [mm]	6
Diameter of cutting edges	d_cut ≤ [mm]	6,40
Drill hole depth	h₁ ≥ [mm]	40	45	60
Through hole in the component being connected	d_f ≤ [mm]	8
Width across flats	[mm]	WS13
Screw-head height	h_h [mm]	26,5
Washer diameter	d_w [mm]	25
Female thread		M8/M10
Max. rated torque of tangential impact screwdriver	T_imp,max[Nm]	160
Installation torque	T_inst ≤ [Nm]	10
¹⁾For anchors in a redundant non-structural system

Anchor size [mm]		6
Through hole in the component being connected	d_f ≤ [mm]	8
Installation parameters in pre-loaded hollow ceiling panels
Minimum axis distance	s_min [mm]	100
Minimum edge distance	c_min [mm]	100
Minimum spacing between the groups of anchors	a_min [mm]	100
Spacing between cavity axes	l_c ≥ [mm]	100
Spacing between tensioning strands	l_p ≥ [mm]	100
Spacing between tensioning strands and drilled hole	a_p ≥ [mm]	50
Nominal drill diameter	d₀ [mm]	6

Performance data of an individual anchor in solid and perforated block masonry according to ETA-23/0196
Anchor size	Nominal length of thread engagement	Admissible tensile load	Admissible shear load	Min. edge distance	Min. spacing	Distance from joints		Max. torque for manual installation	Max. torque for installation with drill/driver	Installation using tangential impact driver
[mm]	[mm]	[kN]	[kN]	[mm]	[mm]	[mm]	[mm]	[Nm]	[Nm]	[Nm]
Solid calcium silicate block KS NF in accordance with EN 771-2:2015-11 KS 20 - 2.0 - NF - 240 x 115 x 71 mm, stone raw density ρ ≥ 2.0 kg/dm³, stone compressive strength f_mean = 26 N/mm², minimum wall thickness h_min = 240 mm
Silka XL solid calcium silicate block KS 12DF in accordance with DIN EN 771-2:2015-11 KS- R (P) - 2.0 - 12DF - 498 x 175 x 148 mm, stone raw density ρ ≥ 1.8 kg/dm³, stone compressive strength f_mean = 14 N/mm², minimum wall thickness h_min = 175 mm
6	35	0,89	0,94	80	80	35	80	11	10	185
6	55	1,4	0,94	80	80	35	80	11		185
6	35	0,66	0,91	80	80	40	80	10	10
6	55	1,17	2,37	80	80	40	80	10		185
Hollow calcium silicate block KS L, 3DF in accordance with DIN EN 771-2:2015-11 SWKV KSL 12 - 1.6 - 3DF - 240 x 175 x 113 mm, stone raw density ρ ≥ 1.5 kg/dm^₃, stone compressive strength f_mean = 17 N/mm², minimum wall thickness h_min = 175 mm
6	35	0,31	0,46	58	80	35	58	11	10	100
6	55	0,31	0,46	58	80	35	58	11		100
Masonry brick Mz in accordance with DIN EN 771-1:2015-11 Mz 20 - 2.0 - NF - 240 x 115 x 75 mm, stone raw density ρ ≥ 2.1 kg/dm³, stone compressive strength f_mean = 21 N/mm², minimum wall thickness h_min = 240 mm
6	35	0,46	0,6	80	80	35	80	3	9
6	55	0,46	0,6	80	80	35	80	3	9
	h_nom	N_adm	V_adm	c_min	S_{min, \|\|} = S_min, ⊥	c_j ⊥ ≥	c_{j \|\|} ≥	T_inst≤	T_inst≤	T_imp,max
Notes: For further details on compressive strength, spacing, edge distances and installation positions, please refer to ETA-23/0196 To determine the admissible load, the partial safety factor from ETA γ_M=2.5 was taken into account on the resistance side and a partial safety factor γ_F=1.4 on the impact side. The specified values apply to an individual anchor in masonry with f_vko: 0.15 [N/mm²] and σ_d: 0.2 [N/mm²]. For combinations of tensile and shear loads, bending torques or reduced spacing and edge distances, please see ETA-23/0196. Documentation for block removal must also be provided.

General installation parameters in masonry:
Anchor size		Diameter	6
Nominal length of thread engagement		h_nom	h_nom1	h_nom2
Nominal length of thread engagement		[mm]	35	55
Nominal drill diameter	d₀	[mm]	6
Diameter of cutting edges	d_cut ≤	[mm]	6,4
Drill hole depth	h₀ ≥	[mm]	55	75
Through hole in the fixture	d_f ≤	[mm]	8

Additional accessory:

Product

Description

Quantity

Price
/PU

Blow-out bulb for cleaning drill holes with a smaller diameter

BLWOUTBULB-F.CLN

Art.-no. 0903990003

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005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:
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04076

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Concrete screw with female thread W-BS/S