Carmex Thread Mills Carbide - Through Coolant (Flutes) - Whitworth BSW BSF - 1/4, 3/8 x 20 - MT7 Through Coolant this intermediate reamer fits standard

this intermediate reamer fits standard taper shank tooling for secure seating in collets and holders

and dedicated hobbyists tackling large‑diameter threaded holes

The straight shank simplifies tool changes on CNC or manual machines

and delivering dependable results across materials

supports smoother finishing operations

Carmex Thread Mills Carbide - Through Coolant (Flutes) - Whitworth BSW BSF - 1/4, 3/8 x 20 - MT7 Through Coolant this intermediate reamer fits standardThe Carmex MTZ Through Coolant Carbide Thread Mills are precision tools designed for Whitworth threading in through hole applications. Built for reliability and consistency, they deliver coolant right to the cutting edge for smooth, efficient thread milling even in challenging setups. Through Coolant Delivery: coolant travels through the flutes directly to the cutting edge, improving heat management and extending insert life during threading. Carbide