Gorilla 4 Flute Square End GMS² Coated & WTF Coated End Mills, Inch, Super Bitchin' Performance, Made in USA Measuring Tools or 2″ for larger blades

or 2″ for larger blades and angles

High accuracy - all surfaces are hardened and precision ground square and parallel to an accuracy of 0

chamfering and countersinking

Set of Gears

When the micrometer is used to measure the thread

Gorilla 4 Flute Square End GMS² Coated & WTF Coated End Mills, Inch, Super Bitchin' Performance, Made in USA Measuring Tools or 2″ for larger bladesGorilla Mill YETI End Mill Serials. Made in USA. 4 Flute (INCH), Super Bitchin' Performance Ferrous Based off the original Patented 4 flute Gorilla Mill, the Gorilla Mill Yeti is built tough for heavy roughing in all materials especially high temperature alloys. Its geometric enhancements allow for work on difficult to machine materials including: Inconel, Waspaloy, Hastelloy, Rene, Stellite, 17 4 SS, 15 5 SS, 13 8 SS, and Titanium. The Gorilla Mill