Gem Bids For Drilling Machine,parts 1. Part Name : Drill Bit 2. Type : Y-type 3. Material : En-8 4. Size : D=55mm 5. Drawing Reference : Modi-328 Rev B 6. Equipment Name : Tap Hole Drilling Machine 7. Equipment Make : Tmt Special Instructions: A.technical Specification: 1.material For Tungsten Tip :wc Grade-xt As Per Is:4005-1967 B.special Instructions: 1.the Internal Thread Dimensions Of Drill Bit Should Be Strictly Maintained As Per The Drawing. 2.part No:1 And 1a Of The Drawing Are To Be Brazed. 3.the Tolerances And Notes Mentioned In The Drawing Should Be Strictly Followed/maintained. 4.drill Bits Are To Painted To A Length Of 50 Mm From Threaded End Of Bit In The Colour Code Allocated To The Party. 5.drill Bits Are To Be Supplied In Packets,each Packet Consisting Of 25 Nos Of Bits And Tagged With Suppliers Name And P.o.number. 6.material Test Certificate Shall Be Submitted From Government/government Apporved Laboratories/nabl/iso