PSL Self Tapping Screws Type A

APPLICATION

Hex head self tapping screws Type ‘A’ are used to fasten steel or aluminium profiles to steel purlins upto a maximum of 3.0mm thickness or to wood sub-structure. Available in Stainless Steel Grade 304/316 and Carbon Steel with RUSPERT/TUFCOTE coating. Thread dia: #14 (6.25-6.50mm) Thread type: Coarse(”A”) with sharp end Length: 1″ – 9″ (25mm – 225mm) Recommended drill bit diameters

Metal thickness	Drill bit dia
0.63-0.75mm	4.0mm
0.88-1.25mm	4.5mm
1.5-3.00mm	5.0mm

Recommended drive speed Stainless Steel Screw: 600 – 800 RPM Carbon Steel Screw: 1800 – 2000 RPM Washer : 16mm and 19mm bonded to EPDM seal.