Precision 8 3 jaw Self Centering Scroll Lathe Chucks 2 Piece Jaws. Outstanding accuracy, versatility and durability. Each high quality chuck comes with a certification that documents TIR. Bolt Circle Diameter: 7.087. Semi-steel chuck body made from high quality cast iron.
Three pinion design with each pinion ground and hardened to HRC 43. Two piece jaw design with a master jaw and a top reversible jaw in American Standard tongue and groove specification. Both side of jaw teeth and guides are ground and hardened to HRC 58-62.
Each set of jaws are serialized in their own set. A serialized set of jaws are then finished, ground, and lapped on their designated chuck body which will be the same chuck body on the final assembly to achieve a greater accuracy. Before assembling the jaw to its designated chuck body, the jaw's finish machining are performed on a closed tolerance state of the art CNC machine from Japan. Scroll plate's thread flank are ground on both side to achieve a tighter contact with the master jaw. Each chuck has gone through rigorous accuracy and repeatability inspection with clamping and jamming multiple random testing rods or rings.Accuracy is maintained for the entire clamping range. Clamping Range A-A1: 0.157-3.346. Jamming Range B-B1:2.559 -7.874. Clamping Range C-C1: 2.559-7.874. 1 set of reversible jaws for inside and outside.
3 piece of mounting screws for the lathe chuck back plate. 8 Fully Machined Threaded Back Plate with 1-1/2 x 8 TPI for 3 or 4 Jaw Self Centering Lathe Chucks. 8 Fully Machined Threaded Back Plate with 2-1/4 x 8 TPI For 3 or 4 Jaw Self-Centering Chuck. Semi-Machined THREADED BACK PLATE 8" 2-3/8-6 TPI FOR 8" LATHE CHUCK. 8" D1-6 Fully Machined Back Plate For 8" 3 and 4 Jaw Self Centering Chucks.
8" D1-3 Fully Machined Back Plate For 8" 3 and 4 Jaw Self Centering Chucks. 8" D1-4 Fully Machined Back Plate For 8" 3 and 4 Jaw Self Centering Chucks. Semi-Machined THREADED BACK PLATE 8" 1-3/4-8 TPI FOR 8" LATHE CHUCK. 8 Jaw BORING RING Kitagawa B208 CNC LATHE CHUCK SOFT TOP JAWS BORE.8" x 1.259" HT Tongue & Groove T&G Soft Steel Pointed Chuck Jaw Buck Bison Atlas. The item "SHARS 8 3 JAW LATHE SCROLL CHUCK SELF CENTERING HARDENED FOR SOUTH BEND" is in sale since Monday, January 27, 2014. This item is in the category "Business & Industrial\Manufacturing & Metalworking\Metalworking Tooling\Workholding\Chucks". The seller is "discount_machine" and is located in Saint Charles, Illinois. This item can be shipped worldwide.