Gem Bids For U-drill Dia 22mm Sh. Dia25mm Cel66mm Oal140mmthrough Coolant With Suitable Insert Grp30-p40 &spares, U Drill Dia 20mm Sh. Dia 25mm Cel 60mm Oal134mm Through Coolant With Suitable Insert Grp30-p40, U Drill Dia 13mm Sh. Dia 16mm Cel 39mm Oal99mm Through Coolant With Suitable Insert Gr. P30-p40, U Drill Dia 14mm Sh. Dia 16mm Cel 42mm Oal103mm Through Coolant With Suitable Insert Grp30-p40, U Drill Dia 18mm Sh. Dia 25mm Cel 54mm Oal127mm Through Coolant With Suitable Insert Gr.p30-p40