Deep Hole Drilling with the Kennametal 40XD SGL Drill. 1. SGL short drills (online catalog and F&S data): https://www.kennametal.com/en/products/20478624/556249/3924453/7813126/7800158.html 2. SGL deep-hole drills (online catalog and F&S data): https://www.kennametal.com/en/products/20478624/556249/3924453/7824523.html 3: Our general dep-hole drill video. https://www.youtube.com/watch?v=60052AWpRkk