hiwe need security screw with Bit ( Tamper proof bolts) M8*40security screw with Bit / Tamper proof bolts with bit size - M8*40 Length & 1.25 pitch of threadI have requirement of above said bolt with bit (Tool to fit bolt)i have attached image of bolt head design for reference .Material is not so important, any metal like simple Mild steel initial quantity will be 500 nos for testing (sample) , later if found ok then i will place order of 3000 nosplease send your quotesSize:M8 Show More