Woodtek Drill Screw - 45mm

£9.92

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45mm long, Carbon Steel, sheet to Timber Self drilling screw with 19mm bonded washer. - Sold in Bags of 100no - (CODE: FD1WT45W19).

Widely used when installing single skin box profile steel sheets to timber battens.  Designed to be fixed through the valley (low part) of the cladding profile.  The self tapping screw will drill it's own hole through up to 0.7mm thick steel sheeting and then into your timber - No need to pre-drill.

The 19mm bonded galvanised washer gives a watertight fixing point through the valley and ensures the strongest possible fastening to the timber supports beneath.  (Fixing through the crown of the sheet should be avoided where possible as this can often cause the crown to dent if over tightened, it can also allow for more movement at the fixing point.)

 

  • 45mm long x 5.5mm diameter self tapping screw with course thread for firm hold into wood
  • 8mm (5/16) hex head. 8mm magnetic drill socket also available
  • Comes complete with 19mm diameter bonded galvanised washer.  19mm colour screw caps to suit also available

For fixing box profile roof lights you will require a 29mm washer and 29mm screw cap. A longer fixing would be required when using a seala washer to ensure enough purchase into timber supports

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