Product Description
BISON 12" 4 Jaw (2 Piece) SET-TRU Chuck Forged Steel with Fine Adjustment 7-847-1200
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).
Hole Size 4.055
Weight 119 lbs
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.
.0004" Accuracy
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.
TECHNICAL DATA
Maximum Speed RPM 2800
F in 11.2598
E in 7.0866
H in 3.819
h in 2.24
C in 0.79
Mounting Bolts M Thread M16 x 2
Mounting Bolts M Qty 3
Fine Adjustment Screws N Thread M18x1
Fine Adjustment Screws N Qty 4
Clamping Range d1 (min-max) .394 - 5.16
Clamping Range d2 (min-max) 4.06 - 8.90
Clamping Range d3 (min-max) 7.48 - 12.40
Clamping Range d4 (min-max) 2.56 - 7.17
Clamping Range d5 (min-max) 5.71 - 10.43
BISON-BIAL SET-TRU Forged Steel Chucks with Fine Adjustment 4-Jaw Chuck with Two-Piece Hard Reversible Jaws
Each chuck is provided with:
• 1 Set of hard master jaws
• 1 Set of hard top reversible jaws
• 1 Chuck wrench
• 1 Set of mounting bolts
• 1 Set of fine adjustment screws
• 2 Hex keys
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).
Hole Size 4.055
Weight 119 lbs
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.
.0004" Accuracy
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.
TECHNICAL DATA
Maximum Speed RPM 2800
F in 11.2598
E in 7.0866
H in 3.819
h in 2.24
C in 0.79
Mounting Bolts M Thread M16 x 2
Mounting Bolts M Qty 3
Fine Adjustment Screws N Thread M18x1
Fine Adjustment Screws N Qty 4
Clamping Range d1 (min-max) .394 - 5.16
Clamping Range d2 (min-max) 4.06 - 8.90
Clamping Range d3 (min-max) 7.48 - 12.40
Clamping Range d4 (min-max) 2.56 - 7.17
Clamping Range d5 (min-max) 5.71 - 10.43
BISON-BIAL SET-TRU Forged Steel Chucks with Fine Adjustment 4-Jaw Chuck with Two-Piece Hard Reversible Jaws
Each chuck is provided with:
• 1 Set of hard master jaws
• 1 Set of hard top reversible jaws
• 1 Chuck wrench
• 1 Set of mounting bolts
• 1 Set of fine adjustment screws
• 2 Hex keys
