Precise Jaw Nut 15" Chuck Size,  Nut Height B 1.791" - 3900-4786

• For use on: Kitagawa, Samchully, Strong, MMK, SMW, Autoblok, Howa & Hitachi-Seiki Chucks
• Set includes 3 Pieces.
• Hardened and ground.
• Heel Height M is 0.650
• Groove Width D is 0.866(22mm)
• Screw Size is M20 X 60
• Hole Space F is 1.693
• Nut Height B is 1.791
• Nut Width A is 1.319
• Nut Length C is 3.150
• Screw Item# is 3900-4801

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