Bison Hard Master Jaws 7-885-420
4-Jaw Set, 20″ Dia.

Bison 20″ Dia. Hard Master Jaws for Lathe Chucks

20″ Max Chuck Diam Tongue & Groove Hard Lathe Chuck Master Jaws
Steel, 0.7496″ Groove Width, 1.5748″ OAW x 6.5351″ OAL

Features:

• Master jaws, also known as base jaws, are attached to the scroll within the chuck body. Top jaws are attached to them and they hold the workpiece.
• When ordering sets, request a quantity of 1 and you will receive one set of the quantity listed.
• Bison jaws fit Bison chucks only

Specifications:

Manufacturer Part # 7-885-420 Jaw Type Master Jaws Jaw Interface Type Tongue & Groove Maximum Compatible Chuck Diameter (Inch) 20 Maximum Compatible Chuck Diameter (Decimal Inch) 20.00 Material Steel Overall Width/Diameter (Decimal Inch) 1.5748 Overall Length (Decimal Inch) 6.5351 Minimum Compatible Chuck Diameter (Inch) 20 Groove Width (Decimal Inch) 0.7496 Number of Jaws 4 Fastener Size (Inch) 3/4-10 Distance Between Mount Hole Centers (Inch) 1-1/2

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