Omega Products Castleated Spanner/Wrench - For ER Collet Chucks with Castle (UM) Nut - ER40 Hydraulic Expansion Chucks 00 mm tapping shanks with

00 mm tapping shanks with tight concentricity

Extended reach with stub-cut body: The longer neck and stub geometry let you access tight cavities and deep contours while maintaining rigidity for accurate

Designed to improve your mold-and-die workflow

productive machining on BT30 spindles

Chamfered end-face: Reduces edge chipping and extends tool life

Omega Products Castleated Spanner/Wrench - For ER Collet Chucks with Castle (UM) Nut - ER40 Hydraulic Expansion Chucks 00 mm tapping shanks withOmega Products Castleated Spanners Wrenches are specialized tools for ER collet chucks with a castle (UM) nut. This two piece set is designed to deliver precise, secure tightening for ER40 chucks, helping you establish consistent grip and reliable preload. The castleated profile matches the UM nut exactly, reducing slippage during torque application. The two soft grip handles are bright red for quick identification and comfortable use in long setups.