Tender For corrigendum : supply of a set of insert 2mm grooving & parting, grade equivalent tt 9080 , holder - pdjnr 2020 k 15. , holder - svjbr 2020 k 16 , holder - sir 0010k11 along with screw 10 nos. , tool holder - sclcr 2525 m12 , insert grooving width 2.67 mm.