5/8" Snr0013m16 Snl001 3m16 External/internal Threading Boring

SNR/SNL0013M16 Threading boring bars-- 1/2in shank dia, overallength 5.9in, SNR0013M16 adpt to 16IR inserts, SNL0013M16 adpt to 16ER inserts,;. 1pc SNR0013M16. Threading boring bars tool holders--40CrMo, Widely Use, Tightly impacted bolt, simple structure, often used for small hole machining,Anti-rust oil wiped on holders to prevent from oxidation;.