Bison Hard Top Jaws 7-883-420
4-Jaw Set, 20″ Dia.

Bison 20″ Dia. Hard Top Jaws for Lathe Chucks

20″ Max Chuck Diam Tongue & Groove Hard Lathe Chuck Top Jaws
Steel, 1.654″ OAW x 5″ OAL x 2.933″ OAH

Features:

• Top jaws, also known as hard or step jaws, hold a workpiece during an operation. They are reversible and are bolted onto the master jaw.
• 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 # 7-883-420 Jaw Type Top 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) 1.6540 Overall Length (Decimal Inch) 5.0000 Minimum Compatible Chuck Diameter (Inch) 20 Number of Jaws 4 Overall Height (Decimal Inch) 2.9330 Fastener Size (Inch) 3/4-10 Distance Between Mount Hole Centers (Inch) 3

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See all Bison Hard Master & Top Jaws for Lathe Chucks