TIMCO Self-Drilling Wing-Tip Steel to Timber Heavy Section Silver Screws - 5.5 x 85 De-Burring Countersink A single flute countersink designed

A single flute countersink designed for cleaning

Strengthening inside corners

Specifically designed to attach composite panel to light section steel (Max

Ideal for applications where a traditional cosmetic finish is required or for use in a corrosive environment

The tapered body and slow expansion properties of the material allows the user to correctly position the plug to ensure ultimate performance

TIMCO Self-Drilling Wing-Tip Steel to Timber Heavy Section Silver Screws - 5.5 x 85 De-Burring Countersink A single flute countersink designedSpecifically 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 thre