44 INSULATION FIXINGS SELF DRILLING INSULATION SCREWS Self Drilling Insulation Designed For: Fixing insulation to steel and timber purlins Head Style: Bugle Drive: Phillips 2 or Torx 25 Thread Form: Twin Material Grade: AISI C1022 Coating: 500hr Evoshield® Recommended Drill Speed: Steel drilling capacity 0.7-2.0 mm 1,500 - 2,500 RPM ✓ Evoshield Coating ✓ Self drilling point and coarse thread allows optimum performance in steel and timber substrates ✓ Bugle head allows use with various washer designs ✓ Heat treated carbon steel construction yields material strength of 1,100N/mm2 for superior physical performance ✓ Evoshield® coating provides greater corrosion resistance over the industry standard 2002/95/EC EUROPA EN 14566