Products

DWZ Double Threaded Insulation Screw 7mm x 300mm packed in 50 pieces per box

Name: DWZ Double Threaded Insulation Screw 7mm x 300mm packed in 50 pieces per box
Brand: Rothoblaas Holztechnic
SKU: 00037
Price: 112.0 GBP
Availability: InStock

Store / Timber Fixings

£112.00

In stock

Product Details

Brand: Rothoblaas Holztechnic

NEW DWZ Double Threaded Screw for fixing high and low density wood fibre insulation. Suitable for: wood based panels; solid timber; glue laminated timber; CLT, LVL and high density woods in service class 1 and 2 applications. Part of the Rothoblass Holztechnic range.

Key Performance Characteristics

Prevents thermal bridging

Double threaded

Suitable for fixing low density insulation such as STEICOflex and high density insulation such as STEICOtherm

Cylindrical head ideal for counter sinking into joist

Bright Zinc plated Carbon Steel

Diameter 7.0mm, 9.0mm

Lengths 220mm to 520mm

Technical Properties

Nominal Diameter	d1	mm	7	9
Head Diameter	dk	mm	9.5	11.5
Tip Diameter	d2	mm	4.6	5.9
Shank diameter	ds	mm	5.0	6.5
Characteristic Yield Moment	Myk	Nmm	14174	27244
Characteristic withdrawal resistance parameter	Fax,k	N/mm2	11.7	11.7
Characteristic tensile strength	Ftens,k	kN	15.4	25.4