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Bison 12" 6-jaw set-tru scorll lathe chuck-0.0004" tir


* 1 Set of fine adjustment screws
* Bison SET-TRU Scroll Chucks can be used for all machining operations where universal chucks are used, along with applications where universal scroll chucks are unsuitable
* Outstanding accuracy, versatility and long life make Bison SET-TRU chucks invaluable in the modern workshop and indispensible in the toolroom
Features of 6-Jaw SET-TRU Chucks:* The 6 jaws grip firmly with less pressure and less distortion per jaw
* Ideal for thin wall and second operation work
* Eliminates the need for spring collets
SET-TRU Chuck Features and Benefits:* Fine adjustment
* 4 micro adjustment screws provide .0004" T.I.R. repeatability
* 16", 20" and 25" diameter chucks with 3 jaws and 6 jaws use 8 micro adjustment screws achieving extremely high gripping concentricity
* Two piece top and master jaws are American Standard tongue and groove
* 4" diameter chuck has 2 sets of solid jaws
* Chuck body is constructed of high quality forged steel, making it safe to run at high lathe speeds
* Scrolls are forged and fully hardened with thread flanks ground on both sides, then precisely balanced for longer life and higher accuracy
* Each scroll is precisely balanced
* Jaw teeth and guides on both sides are fully hardened and ground. Hardened and ground bushings are pressed into the pinion seats. Pinions in 3 pinion models are hardened and ground
* Each chuck is balanced within fine limits
* Steel mounting plates are interchangeable with Bison SET-TRU chucks of the same size so that one chuck can be used on different spindles
* The life of your Bison chuck can be extended significantly through proper maintenance.It must be cleaned on a regular basis as recommended
* For the best gripping results, use the Bison recommended chuck grease: Part Number 7-799-025
Clamping Range for 6-Jaw Chucks w/ Two-Pieces Jaws



Bison 12