Sharktools ER-20 Spring Collet, 1/2″ Size, .500″ – .461″ (1/2″) Range

• All collets inspected for quality and accuracy.
• T.I.R.: 0.0002″
• True double angle for extreme concentricity.
• Concentricity: .0002″
• Collet Angle: 8 degree
• Collet Diameter: 21mm (.83″)
• Collet Length: 31.5mm (1.24″)
• Clamping range: .039″ (except 1/16″ = .020″)
• Compatible with DR, RD, ESX, AR, & BR series collets.

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