Precise 3 Piece 8″ Chuck Size Soft Steel Jaws Set – 3900-4644

• 1/16 x 90 Serrations.
• Set includes 3 pieces.
• Supplies maximum concentricity on finish turning operations.
• Can be bored or turned to fit workpiece.
• For use on: SMW, Autoblok, Rohm, Pratt Burnerd and other Chucks
• Jaws can be hardened.
• Made of SAE1045 steel.
• Chuck Size 8
• Groove width (D) is 0.669.
• Screw size (E) is 12mm.
• Hole space (F) is 0.875.
• Hole to front (H) is 1.929.
• Width (C) is 1.38.
• Length (A) is 3.74.
• Height (B) is 1.46.

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