findmall 5-Piece R8 End Mill Holder Set 1/4 3/8 1/2 5/8 3/4 Adapter for Bridgeport Type Milling Machines

Specification:


Contains 1 each R8 holders: 1/4", 3/8", 1/2", 5/8", & 3/4"
Drawbar End Thread: 7/16"-20
For double and single end (single end mill only for sizes over 5/8")
Hardened and ground for durabilty and superior performance Crafted from alloy forged tool steel