5.5 x 50

Self-Drilling Light Section Silver Screws with EPDM Washer - 5.5 x 50

Hex No.3 S/Dr Screw W16 - BZP_x000D_

Hex head self-drilling screws, for joining roofing sheets to light section steel (Max. 5.0mm) without the need to pre-drill a hole.

£ 7.83

Self-Drilling Wing-Tip Steel to Timber Light Section Exterior Silver Screws - 5.5 x 50

WingTip Screw S/DRILL No3 EXT_x000D_

Specifically designed to attach wood to metal (Max. 5mm). Coarse self-tapping 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.

£ 18.30

Self-Drilling Wing-Tip Steel to Timber Light Section Silver Screws - 5.5 x 50

Wing Tip No.3 S/Drill - BZP_x000D_

Specifically designed to attach wood to metal (Max. 5mm). Coarse self-tapping 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.

£ 14.64

Self-Drilling Wing-Tip Steel to Timber Light Section Silver Screws - 5.5 x 50

WingTip Screw S/DRILL No3 Zinc_x000D_

Specifically designed to attach wood to light section steel (Max. 5mm). Coarse self-tapping 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.

£ 15.90