ANSI: E20S-SDXNR-07
ISO: E20S SDXNR-07
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Use left-hand inserts on right-hand bars and vice versa. A - steel shank with coolant hole, E - carbide shank with coolant hole.
Boring bars with steel and carbide shanks carrying the DNGP 22.. 55° rhombic inserts with negative and positive alternating flanks that enabled bar design with a firm insert clamping and small minimum diameter.