Ozzistraightshooter 8-40 SCREW SET for rifle scope mountings. High quality hardened steel black oxide screws to retain your scope mounts on the rifles receiver. Set includes 3 sizes of screw, 10 pieces of each size. 30 screws in the set. Screws included are: 8-40 x 1/2 in, TORX cap head. T15, overall length 15.4mm, thread length 12.5mm (approx.), head diameter 5.2mm. 8-40 x 3/8 in, TORX cap head. T15, overall length 12.2mm, thread length 9.2mm (approx.), head diameter 5.2mm. 8-40 x 1/4 in, TORX cap head. T15 overall length 9.0mm thread length 5.8mm (approx.), head diameter 5.2mm. You might also be interested in the 8-40 drill and tap set. It is very common that the original 6-48 screws strip out and you can enlarge the screw holes and re-tap for 8-40 threads. |