5Pcs R8 End Mill Holder Set 1/4 3/8 1/2 5/8 3/4 Adapter for R8 Spindles Milling Machines
Specification:
R8 Stub Milling Machine Arbor
Diameter: 1/4", 3/8", 1/2", 5/8", 3/4"
Drawbar End Thread: 7/16-20
Feature:
R8 Style replacement for Bridgeport Type Machine
For double and single end (single end mill only for sizes over 5/8")
Hardened and ground throughout to assure maximum concentricity
Hardened and ground for durabilty and superior performance crafted from alloy forged tool steel
Package includes:
1 x R8 holders: 1/4" diameters
1 x R8 holders: 3/8" diameters
1 x R8 holders: 1/2" diameters
1 x R8 holders: 5/8" diameters
1 x R8 holders: 3/4" diameters