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5.5 x 85mm Self Drill Phillips Countersunk Wing-Tip Screw – Metal Construction Timber to Heavy Section Screws – Yellow Zinc Plated

£0.25 - £0.28

Excluding VAT

SKU: 72132.505.085

Specifically designed to attach wood to heavy section steel (Max. 12mm). Metric thread with wings designed to ream out the timber, so the screw can achieve Max. R.P.M. without burning out. When the wings hit the metal they will break off to permit the thread to self-tap into the metal.



Quantity Price
1 - 49
50 - 499


Size (mm) 5.5 x 85
Thread ? (mm) 5.5
Head H (mm) 5
Type For Timber to Heavy Section Steel
Recess Type Phillips
Substrates Steel, Timber
Drill Tip L (mm) 25
Head Type Countersunk with Ribs
Driver Bit Size PH3
To Suit Timber (mm) 30 – 49
Steel & Fixture Thickness (mm) 55
Corrosion Rating (1-5) 1 – Clean, dry & low humidity environments
Rec. RPM 1,000 – 1,800
Included Items PH3 S2 Bit (Qty 1)
L (mm) 85
Head ? (mm) 11
MDT (mm) 12
Point Type Self-Drilling No.5
Finish Yellow Zinc
Effective Thread L (mm) 51
Material Case & Core Hardened Carbon Steel
Approval BS EN 10666 (DIN 7504)
Thread Type Metric
Thread Coverage Fully Threaded