Shopping Cart (0) All Categories > Chuck Jaws & Accessories > Square Serrated Key Jaw Nuts > Item # 12JN All CategoriesAll Categories Chuck Jaws & AccessoriesChuck Jaws & Accessories Square Serrated Key Jaw NutsSquare Serrated Key Jaw Nuts Item # 12JN Item # 12JN, Jaws for Square Serrated Key Chucks 12JNJaws for Square Serrated Key Chucks Email This Page Download PDF Download PDF Printable Page List Price $79.00 Qty. Order DOWNLOADS Installation and Application for Jaws Close Window Unit of Measure Imperial Metric Both Specifications Chuck Size N/A 10-12 in250-315 mm A Width N/A 1.00 in25.4 mm B Height N/A 1.00 in25.4 mm C Length N/A 2.44 in62.0 mm D Tongue N/A 0.750 in19.1 mm E Slot N/A 0.996 in25.3 mm F Hole Spacing N/A 1.750 in44.5 mm G Bolt Size N/A 1/2 M Flange N/A 0.375 in9.5 mm Material N/A 4140 Steel