DESCRIPTION: 5 pcs of R8 End Mill Holders
* Please select any 5 bore sizes from our stock sizes: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8”, 11/16", 3/4", 7/8", 1”, 1-1/4", 1-1/2"
* Draw Ba Threads: 7/16"-20
Made of forged alloy steel for long, durable service life.
Hardened to HRC56-60 and ground to ensure max. accuracy.
End mill socket TIR