Carmex Thread Mills Solid Carbide - With Through Coolant - G (55 Degree) BSF BSP - G1/4 x 19 - MT7The Carmex MTB Thread Mills are a solid carbide threading solution designed for professionals who demand precision, durability, and efficient chip evacuation in BSP BSF applications. This through coolant variant with MT7 compatibility is built to deliver clean, accurate G (55 Degree) threads in demanding materials. Through Coolant Bore: Internal coolant channels feed directly to the cutting edges, flushing chips from the hole and helping maintain