Precise 15″ Chuck Size Groove Width 22mm Best-Grip Hard Steel Jaws – 3900-4680

• 1.5mm x 60 Serrations.
• Set includes 3 pieces.
• Supplies maximum concentricity on finish turning operations.
• For use on: Kitagawa, Samchully, Strong, MMK, SMW, Autoblok, Howa & Hitachi-Seiki Chucks
• Chuck Size 15
• Groove width D is 0.866 (22mm).
• Screw size E is M20.
• Hole space F is 1.693 (43mm).
• 3 holes.
• 2 steps.
• Step height S2 is 0.73.
• Step height S3 is 0.73.
• Width C is 2.44.
• Length A is 5.63.
• Height B is 3.39.

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