Baer Circular Die HSS - BSF - Right Hand - For General use - 3/8 x 20 Face Mill Arbors - Through Coolant The sealed design minimizes coolant

The sealed design minimizes coolant leakage

and reduce downtime across extended machining cycles

they offer reliable durability and heat resistance for dependable performance in metalworking and fabrication tasks

it provides a reliable go/no-go check to guard against incorrectly sized fasteners entering critical joints

it complies with DIN 8089 and ISO H4 tolerance for stable

Baer Circular Die HSS - BSF - Right Hand - For General use - 3/8 x 20 Face Mill Arbors - Through Coolant The sealed design minimizes coolantThe Baer Circular Die HSS BSF, Right Hand, 3 8 x 20 is a precision external threading tool designed for general metalworking. Its built for machinists, fabricators, and DIY enthusiasts who demand clean, accurate threads on cylindrical stock. Material: High Speed Steel (HSS) construction for durability and long life in regular workshop use. Thread Type: BSF (British Standard Fine) for fine pitch external threads and strong engagement with mating parts.