Bison 4-Jaw Independent Oil Country Chucks

Bison 4-Jaw Extra Heavy Duty Oil Country Chucks

4-Jaw Independent Forged Steel Extra Heavy Duty Chucks
Large Thru Hole, 2 Piece Jaws,
A, D, and Plain Back Mount,

Chucks Size	4-Jaw Independent Extra Heavy Duty Forged Steel 2 pc. Jaws Plain Back (Model 4307)	4-Jaw Independent Forged Steel 2 pc. Jaws A Type Mount (Model 4317)		4-Jaw Independent Forged Steel 2 pc. Jaws D Type Mount (Model 4343)
Chucks Size	Chuck Number	Chuck Number	Spindle Mount	Chuck Number	Spindle Mount
16" Inch		7-859-1620 7-859-1625	A2-8 A2-11	7-859-6150 7-859-6153	D1-8 D1-11
20 Inch		7-859-2033 7-859-2043	A2-11 A2-15	7-859-6200 7-859-6203	D1-8 D1-11
25 Inch		7-859-2543 7-859-2555	A2-15 A2-20
28 Inch		7-859-2845 7-859-2853	A2-15 A2-20	7-859-6839	D1-11
32 Inch		7-859-3243 7-859-3255 7-859-3257	A2-15 A2-20 A2-20
40 Inch	7-859-4201	7-859-4063	A2-28