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The VALUE COLLECTION SC08180044 is a hardened and ground alloy steel arbor spacer designed for use on milling machine arbors. With a 7/8-inch inner diameter, a 1-3/8-inch outer diameter, and a 1/16-inch thickness, this spacer allows machinists and tool-room technicians to precisely position cutting tools, collars, and other arbor-mounted components. The hardened and ground finish ensures dimensional accuracy and resistance to wear under repeated use in machine shop environments. Each unit is sold individually and is a standard catalog replacement spacer.
This arbor spacer is used in machine shop and toolroom applications where milling machine arbors require precise axial spacing of cutters or tooling components. It is suited to horizontal and vertical milling setups where incremental spacing adjustments are needed. The compact 1/16-inch thickness makes it useful for fine-positioning tasks where standard thicker spacers would result in incorrect cutter placement or interference with adjacent tooling.
Designed for use with milling machine arbors requiring 7/8-inch inner diameter spacers. Consult your arbor and tooling specifications to confirm dimensional fit before installation.
Installation is performed by qualified machinists or tool-room technicians during arbor assembly or cutter changeover. Always power down and lock out the machine before disassembling the arbor or adjusting spacers. Verify that all spacer stack dimensions are within the arbor draw-in bolt length tolerance before tightening. Handle hardened components carefully to avoid chipping edges on precision-ground surfaces.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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