supply of set of prevailing torque type hexagonal nut consisting of 04 items etc. , set of prevailing torque type hexagonal nut consisting of 04 items (i) hex. nut m12 qty . 20 nos . (ii) hex. nut m16 qty. 48 nos . (iii) hex. nut m10 qty. 6 nos . (iv) hex. nut m8 qty. 16 nos . as per specn. no. din 6925/din 980v,is:1367/2002, pt. 8, 10, a3b. note - grade & make should be cle arly embossed at suitable location of material. (on peripheral face of nuts) for easy traceability & verifi cation. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]