Metal insulation dowel W-MDD - DWL-(W-MDD-R)-A2-D35MM-(0-50)-8X80

Metal insulation dowel W-MDD - DWL-(W-MDD-R)-A2-D35MM-(0-50)-8X80 - 1

Metal insulation dowel W-MDD - DWL-(W-MDD-R)-A2-D35MM-(0-50)-8X80 - 2

Metal insulation dowel W-MDD - DWL-(W-MDD-R)-A2-D35MM-(0-50)-8X80 - 3

Metal insulation dowel W-MDD

Name: Metal insulation dowel W-MDD
Brand: Würth
SKU: 5921018080

Steel insulation anchor W-MDD
DWL-(W-MDD-R)-A2-D35MM-(0-50)-8X80

Art.-no. 5921018080

EAN 4058794201598

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Metal insulation dowel W-MDD

Art.-no. 5921018080

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x 250 pcs

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For mounting insulation panels in concrete made from stainless steel. Tested fire resistance

Permitted loads under exposure to fire R30; R60; R90; R120.

Tested fire resistance

When attaching soft insulation materials that are not self-supporting, the insulation disc is simply pushed onto the insulation anchor.

Quick and secure mounting thanks to 2-part construction

Knock-in shaft has the design of a clamping sleeve and braces along the entire installation depth in the drill hole

Surface of anchor head suitable for use as a plaster base

Notice

The insulation panels must be fastened with at least 4 anchors per square metre.

Application area

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

Application area

With a German construction permit, the anchor may be used in a multiple attachment configuration to anchor insulation panels in cracked and non-cracked standard concrete with a strength class of at least C20/25 and max. C50/60.


Anchor diameter	9 mm
Anchor length (l) (l)	80 mm
Disc diameter	35 mm
Nominal drill-bit diameter (d 0)	8 mm
Embedding depth (h nom)	40 mm
Material	Stainless steel A2
Max. attachment height (t fix)	50 mm
Centre-to-centre distance (a)	120 mm
Edge clearance (a r)	60 mm
Minimum component thickness (h min)	80 mm
Drill hole depth (h 1) - condition	0 - not applicable
Surface	0 - not applicable

Performance data
Anchor diameter (mm)		8
Permissible load in concrete	F_perm [kN] = C20/25 – C50/60¹⁾	0,074
Max. weight/plate in concrete (for 4 anchors)	(kg)	29.6⁴⁾
Perm. load under exposure to fire²⁾	R30; F_perm[kN]²⁾	0,07
	R60; F_perm [kN]²⁾	0,07
	R90; F_perm [kN]²⁾	0,07
	R120; F_perm [kN]²⁾	0,06
Axis distance R30–R120	s_{cr, fi} (mm)³⁾	160
Edge distance R30–R120	c_{cr, fi}(mm)³⁾	80
¹⁾ Permissible load = zulF = RD/ΥRD with HyRD = 1.35 ²⁾ Under fire stress, the partial safety factor for the load-bearing capacity YM, fi is at least 1.0 ³⁾ If the fire affects more than one side, the edge distance must be ≥ 300 mm. ⁴⁾ 29.6 kg corresponds to 0.296 kN

		Designation	L [mm]	max t_fix [mm]	PU/qty.
Insulation anchor steel hot dip galvanized Washer dia. 35 mm	5921 008 080	W-MDD 8x80	80	40	250
	5921 008 110	W-MDD 8x110	110	70	250
	5921 008 140	W-MDD 8x140	140	100	250
	5921 008 170	W-MDD 8x170	170	130	250
	5921 008 200	W-MDD 8x200	200	160	250
	5921 008 250	W-MDD 8x250	250	210	200
	5921 008 300	W-MDD 8x300	300	260	200
Insulating material washer, steel, hot-dip galvanised washer dia. 80 mm	5921 008 80	W-MDD 80	–	–	250
Insulation anchor, A2 stainless steel, washer dia. 35 mm	5921 018 080	W-MDD-R 8x80	80	40	250
	5921 018 110	W-MDD-R 8x110	110	70	250
	5921 018 140	W-MDD-R 8x140	140	100	250
	5921 018 170	W-MDD-R 8x170	170	130	250
	5921 018 200	W-MDD-R 8x200	200	160	250
	5921 018 250	W-MDD-R 8x250	250	210	200
	5921 018 300	W-MDD-R 8x300	300	260	200
Insulating material washer, steel, A2 stainless steel washer dia. 80 mm	5921 018 80	W-MDD-R 80	–	–	250

Installation parameters
Nominal drill bit diameter	d₀ (mm)	8
Drilling surface diameter	d_cut ≤	8,45
Drill hole depth	h₁≥ (mm)	45
Sleeve diameter	d_h (mm)	9
Embedment depth	h_ef ≥ (mm)	40
Minimum component thickness	h_min ≥ (mm)	80
minimum edge distance	c_min ≥ (mm)	60
Minimum axis distance	s_min ≥ (mm)	120