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Self Tapping Screws Type A

Application
Hex head self-tapping screws Type ‘A’ are used to fasten steel or aluminum profiles to steel purlins up to 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

 

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