74875003 : 3/4" Sleeve ID 1/4"

Specifications Item Number 74875003 Item Description Milling Sleeve 3/4" OD - 1/4" ID Body Dia 3/4" Weight 0.5 Sleeve ID 1/4" Sleeve OD 3/4" Projection Length 2.14" Overview **All images are representative images. Verify specifications before placing orders.** Reduction Sleeves for Milling Chucks provide up to 5X the gripping force of other manufacturer’s ER40 holders to meet the most demanding, high material removal rate applications such as heavy milling of titanium or other high-temp alloys. A machined bearing cage and high precision, individually matched needle bearings symmetrically placed provide smooth, reliable operation. All Techniks Milling Chucks are designed with CoolBLAST coolant grooves in the I.D. bore to direct coolant to the cutting area and assist with chip evacuation. Reduction sleeves can be used to hold almost any shank diameter T.I.R. only 0.0001" For inch and metric shanks Precision ground for maximum accuracy