Brownells 35 deg Profile Cutting Tool Kit

The Brownells high-speed steel cutting kit for Lathes - 35 degree profile kit is an essential tool for gunsmiths and machinists seeking precise and efficient metal cutting operations. This kit is meticulously engineered to optimize firearm customization and maintenance tasks, ensuring exceptional performance across various gunsmithing applications. The kit comprises hardened steel toolholders and high-speed steel inserts, designed for turning, threading, profiling and cut-off operations This versatility facilitates an extensive array of lathe operations, crucial for precision firearm modification and enhancement projects, ensuring optimal performance and customization The inserts, manufactured from T-15 high-speed steel and hardened to a Rockwell hardness of RC 65-67, are precision ground on all surfaces They provide superior low-speed performance, exceptional precision in interrupted cuts and a flawless finish on materials frequently used in gunsmithing, including stainless steel and exotic alloys Toolholders - comprising one right-hand and one left-hand bar, each featuring a 0.375 inches square shank and measuring 6 inches in total length Included components - this package contains three MS-1153 screws and a T-7 wrench, designed for secure assembly and precise adjustments The square shank toolholders and boring bars are CNC-machined from 4140/4142 steel bar stock They are hardened to a Rockwell hardness of RC 48-50 and coated with black oxide to resist corrosion, ensuring durability and reliability in demanding workshop environments Inserts - the set includes three HSS VCMW-221 inserts and one carbide vcmw-221 insert All inserts feature a 7 degree positive rake, with an inscribed circle (IC) of 0.250 inches, a thickness of 0.125 inches, a hole diameter of 0.110 inches, a top opening of 0.146 inches and a corner radius of 0.015 inches