SET-TRU Scroll Chucks can be used for all machining operations where universal chucks are used, along with applications where universal scroll chucks require tighter tolerances
Outstanding accuracy, versatility and long life make SET-TRU chucks invaluable in the modern workshop and indispensable 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
Available with forged steel body or semi-steel body
3 pinion design
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
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 SET-TRU chucks of the same size so that one chuck can be used on different spindles
The life of your chuck can be extended significantly through proper maintenance and must be cleaned on a regular basis as recommended
