Omega Products Castleated Spanner/Wrench - For ER Collet Chucks with Castle (UM) Nut - ER40

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Omega 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. Castle-fit engagement: The castleated design matches the UM nut on ER40 collet chucks for a secure, slip-free tightening every time. Ergonomic red soft-grip handles: Bright, comfortable grip reduces hand fatigue and improves control through the tightening cycle. Two-piece, purpose-built set: Keeps your toolkit organized and ensures quick access when you’re aligning and securing ER40 chucks in busy workshops. With these spanners, you’ll tighten ER collet chucks quickly and accurately, improving setup time and reducing the risk of overtightening or misalignment. The precise fit protects the castle nut and chuck from wear, while the ergonomic handles lighten the workload across frequent setups, delivering repeatable clamping forces for dependable results. Show more