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12-1/2" Bison Chuck 6 Jaw "SetTru" Fine Adj Lathe Chuck + One Adapter Plate & Chuck Package 12-1/2" Bison Chuck 6 Jaw "Set-Tru" T.I.R. 0.0005" With 4 Fine Adjustment Screws , Scroll Chuck, Forged Steel Body, 3-pinion Design. 1 Set full of two-piece reversible jaws hard and master jaws. 1 Set of fine adjustment screws * 6-Jaw grips firmly with less pressure and less distortion per jaw. Ideal for thin wall and second opertation work. Eliminates the need for spring collets. * 4 micro adjustment screws provide 0.0005" T.I.R. repeatability. * Extremely high gripping concentricity. * 2-piece top & master jaws are American Standard Tongue & Groove. 6 Total Jaws included. * Chuck body made of high quality Forged steel, is safe at high lathe speeds. * Forged Scroll fully hardened with thread flanks ground on both sides for longer life and higher accuracy. * Hardened and ground bushings are pressed into the pinion seats. * 3 pinions are hardened and ground * Each chuck is balanced within fine limits. * The Life of Bison "Set-Tru" chucks is approximately 2.5 times longer than universal chucks. 12-1/2" Bison "Set-Tru" Chuck Accepts Bison Adapter Plates Only. As part of this Selling Set; Which 1 Fits Your Spindle Nose? Yes, L1, LO, and LOO also avaiable 12-1/2" Bison "Set-Tru" A-Type Adapter plate 12-1/2" Bison "Set-Tru" D-Type Adapter plates D1-Type adapters to choose one from D1-6 # of studs 6 Stud Diameter 7/8" D1-8 # of studs 6 Stud Diameter 1" D1-11 #of Studs 6 Stud Diameter 1-3/16" 12-1/2" Bison "Set-Tru" Threaded Adapter plates 1 Threaded Types to choose one from |