Standard: API Spec7-1
Size: 4-5/8” to 36”
Material: AISI 4145H and AISI 4145H Mod.
Type of cutter:
Type S: Milled, machined with sharp teeth for maximum reaming in soft formations.
Type M: Milled, machined and flat hard faced teeth, ideal for medium to hard formations.
Type H: Equipped with pressed-in tungsten carbide buttons, for hard formations.