BISON 6" 6-Jaw (Solid) SET-TRU Fine Adjustment Forged Steel Chuck with 2 sets of OD/ID Hard Solid Jaws 7-868-8040
Bison SET-TRU Chucks can give your lathe the accuracy of a tool room lathe. Once dialed in you can count on .0003" total indicator run out (radial) and .0001 total indicator run out (axial).
Set-Tru Scroll Chucks have 3 pinions, or 3 positions for the chuck wrench. Compare with other well-known chucks which only use a single pinion design. Bison's finest product.
This well respected brand of chucks has been the long accepted standard for high quality European work holding technology. At your request an Ajax Chuck & Jaw Technician can assest in selection of a Bison Chuck to fit your application. Ajax sales and service 1 (800) 543-5998
Maximum RPM 4000
Hole Size .787
Weight 11 lbs
Fine Adjustment Steel Body
Scroll & jaws hardened and ground
Three hardened and ground pinions
4 Micro adjustment screws provide .0004 T.I.R. repeatability
Extremely high gripping concentricity
2-Piece top jaws are American Standard Tongue & Groove.
4" Has 2 sets solid jaws.
F in 3.2677
E in 1.7717
H in 2.677
h Solid Jaws in 0.63
C in 0.51
M Thread M8 x 1.25
M Qty 3
N Thread M12 x 1
N Qty 4
Each chuck is provided with:
• 1 Set of hard solid ID jaws
• 1 Set of hard solid OD jaws
• 1 Chuck wrench
• 1 Set of mounting bolts
• 1 Set of fine adjustment screws
• 1 hex key