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Metroll Newcastle
Metroll Newcastle

Fasteners » TECHNICAL SPECS - Type 17 Screws

 
Download Type 17 Technical PDF
Climaseal® 5

Type 17 Screws

Self drilling screws for fixing into timber and thin steel thicknesses up to 0.75mm battens.

  1. The thread on a Type 17 is parallel for constant clamp load.

  2. The drill point is sharp pointed and drills the timber to a pulp consistency.

  3. The special end slot forms a thread cutting action into the timber. The timber it cuts becomes pulp like sawdust, which is distributed evenly into the open cell structure in the timber. This becomes stabilised by the frictional heat generated while cutting, eliminating timber expansion and minimising the splitting of timber.


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Minimum Embedment Into Timber

The minimum amount of embedment that must be screwed into the timber is important in order to achieve the required pullout loads from the timber. The pullout load will also vary according to the grade of timber (softwood Vs hardwood).

Gauge
Min. Embedment
Exceptions
6g
16mm
8g
18mm
10g
25mm
10g x 25mm = 23mm
12g
30mm
12g x 25mm = 23mm
14g
35mm
14g x 25mm = 23mm

 

 
   
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