High-performance anchor with countersunk screw - ANC-(W-HAZ/SK)-(A2K)-40-M12X135

High-performance anchor with countersunk screw - ANC-(W-HAZ/SK)-(A2K)-40-M12X135 - 1

High-performance anchor with countersunk screw

Name: High-performance anchor with countersunk screw
Brand: Würth
SKU: 0905218204

High-performance anchor W-HAZ steel zp type SK
ANC-(W-HAZ/SK)-(A2K)-40-M12X135

Art.-no. 0905218204

EAN 4038898663676

All versions

Specification

Heavy-duty anchor for high loads in cracked and non-cracked concrete, ideal for flush-mounted fixtures, such as railings or handrails. Zinc-plated steel

High load-bearing capacities

Time-saving push-through installation

Immediate load-bearing capacity — no waiting

Torque-controlled expanding galvanised steel anchor

Countersunk head design for an elegant appearance (e.g. for railings)

Proof of Performance

ETA-02/0031 for individual attachment, option 1, cracked and non-cracked concrete, seismic performance category C1 and C2

Fire resistance: F30, F60, F90 and F120; exposure to fire according to DIN 1363-1:1999-10 (uniform temperature-time curve)

Fire resistance: R30, R60, R90 and R120; TR020 (included in ETA-02/0031)

Application area

Railings

Handrails

Create the drill hole

Clean the drill hole

ETA-02/0031 for individual attachment, option 1, cracked and non-cracked concrete, seismic performance category C1 and C2

Fire resistance: F30, F60, F90 and F120; exposure to fire according to DIN 1363-1:1999-10 (uniform temperature-time curve)

Fire resistance: R30, R60, R90 and R120; TR020 (included in ETA-02/0031)

Application

Application area

Individual attachment with approval

Normal concrete C20/25 to C50/60 (cracked and non-cracked concrete, seismic performance category C1 and C2 for sizes M8–M12)

e.g. metal structures, metal profiles, brackets, base plates, supports, cable conduits, pipes, railings, machines etc.

Individual attachment without approval

Can be used in concrete < C20/25 and compression-proof natural stone

W-HAZ/S approved only for use in dry indoor room conditions

Technical information

Material	Steel
Surface	Zinc plated
Metric anchor diameter	M12
Anchor length (l)	135 mm
Max. attachment height (t fix)	40 mm
Countersink diameter	29.5 mm
Countersinking depth	6.7 mm
Drive type	Hexagon socket
Internal drive	HS8
Nominal drill-bit diameter (d 0)	18 mm
Drill hole depth (h 1)	105 mm
Effective anchoring depth (h ef)	80 mm
Torque during anchoring (T inst)	70 Nm
Through-hole in the component to be connected (d f)	20 mm
Approval	ETA-02/0031

Performance data
Anchor diameter [mm]			M6	M8	M10	M12	M16	M16L	M20
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_adm [kN] = C20/25²⁾	2,4	5,7	7,6	12,3	17,1	21,1	24,0
	Compressive zone (uncracked concrete C20/25²⁾) minimum spacing and edge distances (s_cr,sp ≥ 5 h_ef, c_{cr, sp} ≥ 2.5 h_ef)	N_adm [kN] = C20/25²⁾	7,6	9,5	14,3	17,2	24,0	29,6	33,5
Admissible shear load¹⁾ on an individual anchor without the influence of the edge distance	Tensile zone (cracked concrete C20/25²⁾, c ≥ 10 h_ef) W-HAZ-B/S/W-HAZ-S/S and W-HAZ-SK/S	V_adm [kN] = C20/25²⁾	9.1/10.1	14.0/15.9	20.5/20.5	24.5/24.5	34.3/34.3	42.3/42.3	47.9/47.9
	Compressive zone (uncracked concrete C20/25²⁾, c ≥ 10 h_ef) W-HAZ-B/S/W-HAZ-S/S and W-HAZ-SK/S	V_adm [kN] = C20/25²⁾	9.1/10.1	14.0/17.1	20.7/27.5	34.3/34.3	48.0/48.0	52.1/59.2	67.1/67.1
Admissible load when exposed to fire (R30, R60, R90, R120) see European Technical Approval ETA-02/0031
Fire resistance rating		F30 [kN]	1,8	2,6	7,0	10,0	16,0	-	-
		F60 [kN]	0,85	1,4	2,9	4,1	6,9	-	-
		F90 [kN]	0,55	0,95	1,75	2,5	4,25	-	-
		M_adm [Nm]	6,9	17,1	34,3	60	152	152	296,6
		F120 [kN]	0,4	0,75	1,2	1,7	3,0	-	-
¹⁾ The partial safety factors of the resistances regulated in the approval and a partial safety factor of the effects of γ_F = 1.4 have been taken into account. For information on combining tensile and shear loads and the influence of the edge distance and anchor groups, please refer to the European Technical Approval Guidelines (ETAG), Appendix C. ²⁾ The concrete has normal reinforcement. Higher values are possible for higher concrete compressive strengths. ³⁾ For Würth W-HAZ-SK/S.

Characteristic values
Minimum spacing	s_min ≥ [mm]	50	50	60	70	100	100	125
Minimum spacing	for c ≥ [mm]	50	80	120	140	180	180	300
Spacing	s_{cr, N} [mm]	150	180	213	240	300	345	375
Minimum edge distance	c_min ≥ [mm]	50	60	70	80	100	100	180
Minimum edge distance	for s ≥ [mm]	100	120	175	200	220	220	540
Edge distance	c_{cr, N} [mm]	75	90	106,5	120	150	172,5	187,5
Minimum member thickness	h_min [mm]	100	120	140	160	200	230	250
Effective anchorage depth	h_ef [mm]	50	60	71	80	100	115	125
Nominal drill diameter	d₀ [mm]	10	12	15	18	24	24	28
Diameter of cutting edges	d_cut ≤ [mm]	10,45	12,5	15,5	18,5	24,55	24,55	28,55
Drill hole depth	h₁ ≥ [mm]	65	80	95	105	130	145	160
Through hole in the component being connected	d_f ≥ [mm]	12	14	17	20	26	26	31
Torque while installing anchor	T_inst = [Nm]	15/10³⁾	30/25³⁾	50/55³⁾	80/70³⁾	160	160	280