SELF TAPPING SCREWS TYPE B
APPLICATION
Hex head self tapping screws Type ‘B’ are used to fasten steel or aluminium profiles to steel thickness over 3.0mm. Available in Stainless Steel Grade 304/316 and Carbon Steel with RUSPERT/TUFCOTE coating. Thread dia: #14 (6.10-6.3mm) Thread type: Fine (“B”) with flute and flat end Length: 1″ – 9″ (25mm – 225mm) Recommended drill bit diameters *
| Metal thickness | Drill bit dia |
| 2.0-4.0mm | 5.3mm |
| 4.0-7.0mm | 5.5mm |
| Above 7.0mm | 5.7mm |
*drill holes depends on the hardness of the steel, therefore a site test prior to installation is recommended.
Recommended drive speed Stainless Steel Screw : 600 – 800 RPM Carbon Steel Screw : 1800 – 2000 RPM
Washer : 16mm and 19mm bonded to EPDM seal
