Self-Tapping Fasteners Stainless Steel Fastener identification codes JA3/JZ3 A2 Stainless Steel Self Tapping Fastener JA1/JZ1 Corremaks 1.4529 Stainless steel for high corrosive environments J A 3 - 6.5 x 19 - S 16 EJOT COLOUR MATCHING Colour match powder-coating available for certain low profile stainless steel fasteners in this range. Please ask for details. Self-Drilling Fasteners Self-Tapping Fasteners Storm Washers Rivets Accessories Tool Accessories Self-Tapping Fasteners 50 PRODUCT GROUP A range of fasteners specifically designed for use in roofing and cladding. DESIGN The thread forms are designed to provide maximum mechanical performance with ease of installation. ASSEMBLY Where specified they are assembled with a high quality metal and EPDM vulcanised sealing washer ensuring a safe seal every time. FINISH Stainless steel with a wax finish to provide lubrication during installation. Effective Clamping Thickness (ECT) is the total thickness of the build up to be fixed. Embedment (EMB) figures relate to depth into substrate (not including clamp pieces).