TIMCO Self-Drilling Wing-Tip Steel to Timber Heavy Section Silver Screws - 5.5 x 85 Box OF 100 - HW85B Gloves The envelopes measure 318 x

The envelopes measure 318 x 267mm and feature a simple and secure peel and seal closure

• EN 343 Class 3 Water Penetration Resistance Class 1 Air Permeability

It is supplied with both a flexible and an angular rigid steel delivery tube and has a 1/4" BSP connector

flat finish

They have a nickel plated finish that resists rust and corrosion for increased durability

TIMCO Self-Drilling Wing-Tip Steel to Timber Heavy Section Silver Screws - 5.5 x 85 Box OF 100 - HW85B Gloves The envelopes measure 318 xBox of 100 Size 5. 5 x 85TIMCO Self Drilling Wing Tip Steel to Timber Heavy Section Silver Screws 5. 5 x 85 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. WingTip Screw S DRILL No4 Zinc