16 TEK SCREWS SUPER TEK - HEAVY SECTION Super Tek Hex Head Tek 7 / Tek 8 TECHNICAL Unwashered Hex Head Tek 7 Designed For: Fixing steel to steel Head Style: Hexagonal Drive: 5/16” hexagonal Thread Form: 24 threads per inch fine thread, ‘V’ fluted Drill Point: Tek 7 spiral point Shank Material: Carbon steel Material Grade: AISI C1022 Coating: 1,000hr Evoshield® Recommended Drill Speed: 1,500 - 2,500 RPM Steel Thickness: 4.0mm - 18.0mm ✓ Evoshield Coating Washered Hex Head Tek 7 All of the above PLUS: Washer: 16mm Ø bonded EPDM 2002/95/EC