Check the listing for details. BT40-60° OTT Internal Thread Pull Claw 4 Petal Clamp Pull Claw for CNC Machine. Condition: New. Listed at 179.00 USD. Spindle Pull Claw Pull Stud Type Clamping OTT-BT40-60° Internal Thread Alloy Steel 4 Petal Clamp Tightening Fixture for Drilling Machines, CNC Spindle Machine. 1. [High Quality]: These pull claws are made of high-quality alloy steel. Significant improvement in the surface hardness and wear resistance. 2. [Stable quality]: Strict batch management ,and each product has a batch number for easy quality traceability. 3. [Same serial number as a group]: One-piece separator claw. High fit, high precision, and high stability. 4. [Online detection and automatic compensation system]: Zero point quick change fixture. With the extensive use of robots, we achieved 6x24 hours of continuous mass production. 5. [Our Warranty]: One year warranty. Exchange instead of repair within one year. Only exchange but not repair within the warranty period.