ITEM NAME:Locking screw, for screwing on, head diameter 40 mm, external thread M8 x 3 B8O5 Locking screw, for screwing on, head diameter 40 mm, external thread M8 x 3 B8O5 Great spare part for damaged locking screws For screwing on for easy installation and with a high quality finish for easy gripping Widely used in mechanical equipment, instruments and equipment Product name: Locking screw Type: to tighten Head diameter: 40 mm Thread length: 30 mm Thread diameter: 8 mm Material: metal, plastic Color: silver / black Weight: 60 g Scope of.For screwing on for easy installation and with a high quality finish for easy gripping. Thread length: 30 mm.