Ingersoll’s Rapid Thread Shell Mill with indexable inserts provide the ultimate solution for very fast and efficient thread milling.
General Cutting Tools is an authorized Ingersoll Cutting Tools distributor. We are based in Chicago serving Illinois, Wisconsin and Indiana and ship nationwide as well as around the world. Contact us for more information.
SERIES: 12Y1N_D, 12Y1S_D, 12Y1U_D
- Insert length: 21mm, 30mm, 40mm
- Available for both 4 and 5 insert style holders
- Used for large diameters, long threads and long overhangs
- Standard inserts are suitable for multi-insert tools
- All inserts have the same profile position
- Bodies can be mounted on standard Shell Mill adapters
- One tool for external and internal right and left hand threads
2.480″, 3.150″, 3.940″
21mm (0.827), 30mm (1.181), 40mm (1.575)
ISO, UN, NPT, NPTF, BSPT, W
Internal and External Thread Milling
Cast Iron, Steel, Stainless Steel, Aluminum, Titanium and other high temperature or nickel-based alloys.