BSD drill rod anchor

Name: BSD drill rod anchor
Brand: Würth
SKU: 5394216073

Drill rod anchor
DRD-WOALUST-SK-PT-AW40-(RSI)-6,9X73

Art.-no. 5394216073

EAN 4046777066593

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BSD drill rod anchor

Art.-no. 5394216073

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x 50 pcs

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Specification

Twisting dowel pin with force-pushing UNC thread for steel or aluminium slotted sheet metal connections. High level of corrosion protection due to zinc-flake coating.

Direct screwing into 6 mm thick aluminium extrusion profiles without pre-drilling.

For aluminium thicknesses over 6 mm and steel connections over 4 mm, pre-drill with a diameter of 6 mm

Quick and easy, effort-saving screwing-in thanks to integrated forced feed

High load-bearing capacity and high yield moment thanks to hardened steel quality

Proof of Performance

EN 14592

Notice

The general conditions of EN 14592:2008+A1:2012 and EC5 (EN 1995-1-1:2004 + AC:2006 + A1:2008) must be observed and applied.

EN 14592

Application

Application area

Dowel pins for attaching slotted sheet metal/wood connections made of steel or aluminium.

Instructions

Direct fitting or placement of BSD drill rod anchor when using aluminium extrusion profiles.

In the case of slotted sheet metal connections made of steel or flexible aluminium sheets, pre-drill through the wood and the metal slotted plate with a diameter of 6 mm.

In the case of multi-shear connections and when using wood with a bulk density of more than 350 kg/m³, position a screw clamp perpendicular to the slotted sheet metal to avoid excessive lateral tension on the wooden support during assembly.

Technical information


Head type	Round washer head
Internal drive	AW40
Head diameter (dh)	18 mm
Head height (dk)	2.5 mm
Diameter (d)	6.93 mm
Length (l)	73 mm
Thread length (lg)	31 mm
Shape of tip	Drilling tip
Material	Hardened steel
Drill tip length	15 mm
Surface	Flake zinc silver
Product weight (per item)	23.464 g
Yield moment	43.5 Nm
Approval	EN 14592

Load capacity table of drill rod anchors BSD
Table 2: Load capacity against shear force per rod anchor for connections with 1, 2 and 3 plates with a maximum slot thickness t_s = 8 mm
b	Rod anchor d x l	Plates	b_net	a = 0°			a = 90°
mm	mm	Unt.	mm	t_a mm	t_i mm	F_v,Rk mm	t_a mm	t_i mm	F_v,Rk mm
80	6.9 x 73	1	72	36	–	8,43	36	–	6,75
		2	64	≤ 21	≥ 22	10,5	≤ 26	≥ 12	7,23
		3	56	≤ 21	≥ 7	9,03	≤ 26	≥ 2	6,22
100	6.9 x 93	1	92	46	–	9,23	46	–	7,14
		2	84	≤ 21	≥ 42	14,2	≤ 26	≥ 32	9,77
		3	76	≤ 21	≥ 17	12,7	≤ 26	≥ 12	8,75
120	6.9 x 113	1	112	56	–	10,3	56	–	7,74
		2	104	17 ≤ t_a ≤ 22	60 ≤ t_i ≤ 70	17,9	≤ 26	≥ 52	12,3
		3	96	≤ 21	≥ 27	16,4	≤ 26	≥ 22	11,3
140	6.9 x 133	1	132	66	–	11,5	66	–	8,46
		2	124	27	70	20,7	20 ≤ t_a ≤ 26	72 ≤ t_i≤ 84	14,8
		3	116	≤ 21	≥ 37	20,1	≤ 26	≥ 32	13,8
160	6.9 x 153	1	152	76	–	12,7	76	–	9,27
		2	144	36	72	21,5	29	86	16,9
		3	136	≤ 21	≥ 47	23,8	≤ 26	≥ 42	16,4
180	6.9 x 173	1	172	86	–	13,0	86	–	10,1
		2	164	46	72	22,3	39	86	17,6
		3	156	≤ 21	≥ 57	27,5	≤ 26	≥ 52	18,9
200	6.9 x 193	1	192	96	–	13,0	96	–	10,8
		2	184	56	72	23,3	49	86	18,1
		3	176	18 ≤ t_a ≤ 21	67 ≤ t_i ≤ 70	31,2	≤ 26	≥ 62	21,4
220	6.9 x 213	1	212	106	–	13,0	106	–	10,8
		2	204	67	70	24,5	59	86	18,7
		3	196	27	71	33,8	13 ≤ t_a ≤ 26	72 ≤ t_i≤ 85	24,0
240	6.9 x 233	1	232	116	–	13,0	116	–	10,8
		2	224	76	72	25,7	26	12	19,5
		3	216	37	71	34,5	23 ≤ t_a ≤ 26	82 ≤ t_i ≤ 85	26,5
The bearing capacities given are for coniferous wood C24 (rk = 350 kg/m³). For other strength classes, the load capacities can be multiplied by the factors in Table 4.
PLEASE NOTE: These are guides for planning purposes. The values must be calculated for each project by authorised persons.

Load capacity table of drill rod anchors BSD
Table 1: Load capacity against shear force per rod anchor for connections with 1, 2 and 3 plates with a maximum slot thickness t_s = 6 mm
b	Rod anchor d x l	Plates	b_net	a = 0°			a = 90°
mm	mm	Unt.	mm	t_a mm	t_i mm	F_v,Rk mm	t_a mm	t_i mm	F_v,Rk mm
80	6.9 x 73	1	74	37	–	8,49	37	–	6,78
		2	68	≤ 21	≥ 26	11,2	≤ 26	≥ 16	7,74
		3	62	≤ 21	≥ 10	10,1	≤ 26	≥ 10	6,98
100	6.9 x 93	1	94	47	–	9,33	47	–	7,19
		2	88	≤ 21	≥ 46	14,9	≤ 26	≥ 36	10,3
		3	82	≤ 21	≥ 20	13,8	≤ 26	≥ 15	9,51
120	6.9 x 113	1	114	57	–	10,4	57	–	7,81
		2	108	20	68	18,6	12 ≥ t_a ≤ 26	56 ≤ t_i≤ 84	12,8
		3	102	≤ 21	≥ 30	17,5	≤ 26	≥ 25	12,1
140	6.9 x 133	1	134	67	–	11,6	67	–	8,54
		2	128	29	70	21,0	24	80	15,3
		3	122	≤ 21	≥ 40	21,2	≤ 26	≥ 35	14,6
160	6.9 x 153	1	154	77	–	12,7	77	–	9,35
		2	148	38	72	21,6	31	86	17,2
		3	142	≤ 21	≥ 50	24,9	≤ 26	≥ 45	17,1
180	6.9 x 173	1	174	87	–	13,0	87	–	10,2
		2	168	48	72	22,5	41	86	17,7
		3	162	11 ≤ t_a ≤ 21	60 ≤ t_i ≤ 70	28,6	≤ 26	≥ 55	19,7
200	6.9 x 193	1	194	97	–	13,0	97	–	10,8
		2	188	58	72	23,5	51	53	18,2
		3	182	21	70	32,3	≤ 26	≥ 65	22,2
220	6.9 x 213	1	214	107	–	13,0	107	–	10,8
		2	208	69	70	24,7	61	86	18,9
		3	202	30	71	34,2	16 ≥ t_a ≤ 26	75 ≤ t_i ≤ 85	24,7
240	6.9 x 233	1	234	117	–	13,0	117	–	10,8
		2	228	78	72	25,8	71	86	19,7
		3	222	40	71	34,8	26	85	27,3
The bearing capacities given are for coniferous wood C24 (rk = 350 kg/m³). For other strength classes, the load capacities can be multiplied by the factors in Table 4.
PLEASE NOTE: These are guides for planning purposes. The values must be calculated for each project by authorised persons.

Load capacity table of drill rod anchors BSD
Table 4: Conversion factors fr for bulk densities rk ≥ 350 kg/m³
Strength class	GL24c	C30	GL24h	GL28c, GL30c	C24, GL32c	GL28h	GL30h	GL32h
Bulk density in kg/m³	365	380	385	390	400	425	430	440
f_r	1,02	1,04	1,05	1,06	1,07	1,10	1,11	1,12
PLEASE NOTE: These are guides for planning purposes. The values must be calculated for each project by authorised persons.

Load capacity table of drill rod anchors BSD
Table 3: Load capacity against shear force per rod anchor for connections with 1, 2 and 3 plates with a maximum slot thickness t_s = 10 mm
b	Rod anchor d x l	Plates	b_net	a = 0°			a = 90°
mm	mm	Unt.	mm	t_a mm	t_i mm	F_v,Rk mm	t_a mm	t_i mm	F_v,Rk mm
80	6.9 x 73	1	70	35	–	8,37	35	–	6,73
		2	60	≤ 21	≥ 18	9,77	≤ 26	≥ 8	6,72
		3	50	≤ 21	≥ 4	7,93	≤ 25	≥ 0	5,45
100	6.9 x 93	1	90	45	–	9,14	45	–	7,09
		2	80	≤ 21	≥ 38	13,5	≤ 26	≥ 28	9,26
		3	70	≤ 21	≥ 14	11,6	≤ 26	≥ 9	7,99
120	6.9 x 113	1	110	55	–	10,2	55	–	7,67
		2	100	15 ≤ t_a ≤ 21	58 ≤ t_i ≤ 70	17,1	≤ 26	≥ 48	11,8
		3	90	≤ 21	≥ 24	15,3	≤ 26	≥ 19	10,5
140	6.9 x 133	1	130	65	–	11,3	65	–	8,39
		2	120	25	70	20,3	18 ≤ t_a ≤ 26	68 ≤ t_i ≤ 84	14,3
		3	110	≤ 21	≥ 34	19,0	≤ 26	≥ 29	13,1
160	6.9 x 153	1	150	75	–	12,6	75	–	9,18
		2	140	34	72	21,3	27	86	16,7
		3	130	≤ 21	≥ 44	22,7	≤ 26	≥ 39	15,6
180	6.9 x 173	1	170	85	–	13,0	85	–	10,0
		2	160	44	72	22,1	37	86	17,6
		3	150	≤ 21	≥ 54	26,4	≤ 26	≥ 49	18,1
200	6.9 x 193	1	190	95	–	13,0	95	–	10,7
		2	180	54	72	23,1	47	86	18,0
		3	170	15 ≤ ta ≤ 21	64 ≤ ti ≤ 70	30,1	≤ 26	≥ 59	20,7
220	6.9 x 213	1	210	105	–	13,0	105	–	10,8
		2	200	65	70	24,2	57	86	18,6
		3	190	24	71	33,2	≤ 26	≥ 69	23,2
240	6.9 x 233	1	230	115	–	13,0	115	–	10,8
		2	220	74	72	25,5	26	12	19,3
		3	210	34	71	34,4	20 ≤ ta ≤ 26	79 ≤ ti ≤ 85	25,7
The bearing capacities given are for coniferous wood C24 (rk = 350 kg/m³). For other strength classes, the load capacities can be multiplied by the factors in Table 4.
PLEASE NOTE: These are guides for planning purposes. The values must be calculated for each project by authorised persons.

Load capacity table of drill rod anchors BSD
If using multiple rod anchors in succession in the direction of the grain, the load capacity of the connection must be calculated using the effective number of rod anchors: n_ef = n₉₀ x n_0,ef,a. The effective number of rod anchors depends on the number n0 of rod anchors placed in succession in the direction of the grain, on the axis distance a1 and on the angle  between the load and grain. The following applies to load/grain angles of a = 0°: n_ef = n₉₀ x n_0,ef,0°. The following applies to load/grain angles of = 90°: n_0,ef,90° = n₀ and therefore n_ef = n₉₀ x n_{_0.} At load/grain angles a  90°, the effective number of rod anchors in the direction of the grain can be calculated using the following equation: n_0,ef,a = n_0,ef,0° x (90° - a)/90° + n₀ x  / 90° If the wood is prevented from splitting by a reinforcement perpendicular to the direction of the grain, e.g. by using ASSY plus VG screws, the formula n_ef = n₉₀ x n₀ can be used for calculation regardless of the load/grain angle.
Table 6: Effective number of rod anchors n_0,ef,0° depending on the distance a₁ and the number of rod anchors n₀ for a = 0°
a₁ in mm		30	40	50	60	80	100	120
n0	2	1,42	1,52	1,61	1,69	1,81	1,92	2,00
	3	2,04	2,20	2,32	2,43	2,61	2,76	2,89
	4	2,65	2,85	3,01	3,15	3,38	3,58	3,74
	5	3,24	3,48	3,68	3,85	4,14	4,37	4,58
	6	3,81	4,10	4,33	4,54	4,87	5,15	5,39
	7	4,38	4,71	4,98	5,21	5,60	5,92	6,20
	8	4,94	5,31	5,61	5,88	6,31	6,68	6,99
	9	5,49	5,90	6,24	6,53	7,02	7,42	7,77
	10	6,04	6,49	6,86	7,18	7,72	8,16	8,54

Load capacity table of drill rod anchors BSD
Table 5: Minimum distances according to EN 1995-1-1 Table 8.5 depending on the load/grain angle a
a	a₁	a₂	a_3,t	a_3,c	a_4,t	a_4,c
0	35	21	80	40	21	21
10	35			40	21
20	34			40	21
30	33			40	21
40	32			52	23
50	30			62	25
60	28			70	26
70	26			76	27
80	24			79	28
90	21			80	28

KEY
t_i	Minimum middle wood width
t_a	Minimum side wood thickness
Plates	Number of plates
b_net	Net cross-section width of the wooden component minus the slots
b	Cross-section width of the wooden component
F_v,Rk	Characteristic load capacity against shear force of a drill rod anchor BSD
Rated load capacity of a rod anchor: F_v,Rd = F_v,Rk × k_mod/1.3
Calculation basis
Sheet steel/wood connections with drill rod anchors are calculated in accordance with EN 1995-1-1 Section 8.6. Characteristic values of drill rod anchors: d = 6.9 mm, M_y,Rk = 43.5 Nmm The rod anchors must be pre-drilled to their nominal diameter and screwed in at one end flush with the surface at an angle of less than 90° to the direction of the grain.
Prerequisites for using the tabulated values
Sheet steel/wood connection with steel plates inside Sheet steel: strength min. S235, minimum sheet thickness 3 mm for sufficient bearing stress capacity of sheet steel with edge distances of e1 ≥ 3 x d0 and e2 ≥ 1.5 x d0. The load/grain angle a is 0° or 90°. The specified load capacities are not valid for other angles. The rod anchors must be arranged perpendicular to the direction of the grain. The rod anchors must be screwed in flush with the surface on one side. The specified thickness of the outer and inner wooden components (ta and ti) must be observed. The bearing capacities given are for coniferous woods with a characteristic bulk density p_k of 350 kg/m³. Connections with rod anchors should contain at least 2 drill rod anchors. Connections using one drill rod anchor only have half the calculated load capacity. The minimum distances in line with EN 1995-1-1 Table 8.5.
PLEASE NOTE: These are guides for planning purposes. The values must be calculated for each project by authorised persons.

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