For milling T-slots for hexagon head screws with metric threads or for slot nuts. Stops can therefore be used directly in the material and fastened without the use of profile rails. These sets are also ideal for routing recesses in picture frames, creating keyhole suspensions, or creating countersinks for electrical cables. Supplied with one each of M5, M6, M8, and M10 T-slot cutters. Material: HW. Shaft diameter: 8 mm. Set size: 4 pieces. Brand: EN. Contents: 1.