Precise 5C Indexing Spin Jig – 3900-1604

• Uses standard 5C collets to 1-1/8″.
• Indexing fixture is intended for use on milling machines, grinders and inspection equipment.
• Hardened and ground spindle.
• 0.0004 T.I.R. spindle accuracy.
• Direct indexing in 10 steps.
• Graduated in 5 increments.
• Precision ground indexing plate.