5.5 x 65mm External Countersunk Self Drilling Screws
White Painted Hex Head Self-Drill Screws 5.5 x 26 - Armafix
4.8 x 22mm Low Profile Wafer Head Tek Screw - ADA Fastfix Ltd
TIMco 5.5 x 65mm Hex Head Self Drilling Heavy Section TEK Screws With 16mm Washer Qty
10 X 1-1/2" (1/2" to 2-1/2" Available) Pan Head Self Drilling Screws, Phillips Drive Self Tapping Sheet Metal Tek Screws, 410 Stainless Steel, 100 PCS : Amazon.co.uk: DIY & Tools
White Truss Head Drilling Screws 4 2/19 pack of 475 pcs
Extra Low Profile Self-Drilling Tek Screws Black 4.2mm x 14mm
Cladco 45mm TEK Screw to Wood & 19mm Bonded Washer Pack of 100 | Roofing Superstore®
Super Heavy Section Self Drill Screws - Heavy Section Steel | Washered Hexagon Head Self Drill Screws | Self Drilling TEK Screws | Screws | Fixings - Screws, Nails & Anchors | Fixfirm
Hex Head Self Drilling Light Section Interior Tek Screws | Metal Fabrication Supplies