supply of set of fasteners for nmr coach wheelsset of fasteners for nmr coach wheels,set of fasteners for nmr coach wheels. one set consist of 4 items. item 1) fit bolt for nmr bogies to icf drg. no.aaa02159. - 1 no. note. i) mat erial shall confirm to en8 or similar. ii) fit bolt shall be suitably zinc electroplated to minimum coting thickness of 8 microns with yellowish gleaming to yellow brown iridescent finish. iii) identification details (manufactures name/logo /brand) shall be suitably embossed/punched/laser marked in 5 mm high letters. iv) thread pitch shall be 3mm to match prevailing torque type hexagon regular nut. item-2) prevailing torque type hexagon nut to iso 7040-m24-8 or iso 7040 -m24-10 as per icf drg. no. 67302014 alt-e, item no.26 -1no. note: zinc electroplated to grade a3l of annexure e of is-1367(part eleven) item-3) washer for nmr pinion arrangement (machined and surface ground) to icf drg no.aaa02149-1no. note. i) material specification to is:2062 e250 a or is:2062 e250 c or is:2062 e250 cu c or irs m-41. ii) finished component zinc electro plated to grade a3l of annexure-e of is:1367(part eleven) item-4) hardened and temper ed washer (for m24 bolt) as per icf drg no.aaa02160 - 1no. note. i) dimensions, material mechanical properties, testing etc. shall confirm to washer iso 70 89-24-200hv ii) after hardening & tempering washer shall be surface grinding. iii) hardened and tempered washer shall be suitably zinc electroplated to mi nimum coting thickness of 8 microns with yellowish gleaming to yellow brown iridescent finish. iv) identification details (manufactures name/logo /brand) sha ll be suitably done with laser marking. [ warranty period: 30 months after the date of delivery ] ] => limited