OPIOL QUALITY® Cylinder Screws with Hexalobular Torx DIN 912 / ISO 14579 M5 x 50 mm A2 V2A Stainless Steel (Pack of 10) Cylinder Head Screws Cylinder Head Screws : Amazon.de: DIY & Tools
Countersunk Screws Torx Hexalobular Full Thread ISO 14581 DIN 965 TX Countersunk Screws Stainless Steel : Amazon.de: DIY & Tools
Wera 867/1 Diamond Coated Impaktor Torx Screwdriver Bits for TX30 Torx Socket Screws, Pack of 10: Amazon.com: Tools & Home Improvement