Shars 1/2" Shank 8 PCS Solid HSS Turning Grooving Threading Tool Bit Set New #{

External grooving tool with chip breaker. Made from HSS 4341 and hardened to HRc 60. TOOL BIT STYLEAR-Right Hand,AL-Left Hand,BR-Right Hand,BL-Left Hand,C-Square Nose,D-Pointed Nose,E Threading Tool. 60 degree chip breaker style straight threading tools.

eBay