JOSBY Manual Punch Pin Grinder, 1.5-25mm Punch Forming Machine, Clamping Accuracy 5um (Length 30mm), High Accuracy Grinding Tool Punch Grinding Machine, Needle Sharpening Machine, for Factory

Features: 1. The punch grinder is a tool that can be installed on the grinder and can automatically obtain concentric grinding circular punches without any adjustment. 2. The pressing roller on the pressure arm can be used for rotation or left and right adjustment, which can make the workpiece move forward or backward for grinding. 3. Heavy grinding can use the pressure rod to fix the screw to press the roller and the pressure arm to make it more stable. 4. The accuracy of this tool is within 0.005mm. 5. The outer diameter of the punch can be ground from 01.5-25mm, and the extended grinding length is within 5-35. Specifications: Product name: manual punch grinder Grinding accuracy: 0.005/0.008/0.002/0.001mm Roller clamping range diameter: 1.5-25mm Roller clamping range length: 22-100mm Roller runout accuracy: clamping accuracy 5um (length 30mm) Roller material: SUS440 Roller hardness: HRC50-52° Net weight: 5.8kg Packing list: Host*1

• Double roller design: No need to calibrate the center, just place the workpiece between the rollers when clamping to obtain concentric circles
• Easy grinding and convenient use: The pressing roller on the pressure arm can be rotated or adjusted left and right to make the workpiece move forward or backward for grinding
• Forged steel is sturdy and durable: The pressure screw of the additional pressure arm can adjust the pressure to match the punches of different sizes
• High-precision hard guide wheel: Since the handle is fixed with a pressing roller, the operation can be stably controlled and heavy grinding can be performed
• Save time and effort: Grinding with a precision grinder has more stable precision and is convenient for grinding to obtain concentric circles