Extended Shank Design: The ER straight rod type extended collet shank features a longer shank that is ideal for deep hole processing; This thoughtful design allows for greater achieve in challenging applications Effective Efficiency: By reducing the need for lengthened tools, this collet shank helps to cut costs while improving overall efficiency; This means you can achieve more without the additional expense of extra tools Accurate Grinding: The outer diameter of the extension rod and other components are precisely ground to eliminate any imbalance; This attention to detail ensures increased stability during cutting, resulting in performance Enhanced Rigidity: Equipped with a bolt for direct tightening, this design increases rigidity and holding force; This means you can work with confidence, knowing that your tool is securely in place Robust Construction: Made from high-speed steel, this collet shank guarantees durability and stability; Its resilient material ensures it can withstand the demands of machining tasks Item Type: Lathe Extension Rod
Model: SL25-ER20-80L
Material: High speed steel
Outer Circle: Approx. 25 mm / 1 in
Square: Approx. 20 mm / 0.8 in
Length: Approx. 120 mm / 4.7 in

Package List：
1 x Lathe Extension Rod
1 x Bolt