Semblex Corporation- Fastener for Carbon Fiber Reinforced Plastic (CFRP) br br Company website: br br FLOWpoint Delta PT® does not require a pilot hole. The FLOWpoint Delta PT® thread forms a strong female thread in CFRP and is available in stainless steel, steel, and aluminum. br br For more product information please visit: br br Delta PT® is a registered trademark of EJOT Verbindungstechnik GmbH & Co. KG.