Tegara 6 Inch Cnc Premium Milling Machine Vise 6" Jaw Width 690V Model 0.0004" Clamping 202-0994 R

[690V Advantage]Unlike other less expensive import vises, 690V offers key improvements to prevent jaw lifting by using a 45 degree wedge and a pivoting ground finished steel hemisphere in a milled pocket to hold down the movable jaw while stationary jaw features integral key to increase holding strength and hold down by 2 large cap socket screw (M14P2L75); Vise body made from 80,000 PSI stress relieved ductile cast iron; Vise bed and jaw plates are flame hardened to 45 HRc; Outside rail edges of the body are precision machined and lapping for easy alignment; The collar around the hold down screw slot are precision machined and ground to achieve greater parallelism; Stationary jaw features machined keyway to easy workstop; Semi-hard leadscrew in ground bright finish; Seal ball bearing system reduces clamping force and extends bearing life; Vise spindle nut does not extend beyond the end of vise body when jaws are closed; Unique Design features a brush on both end of spindle nut to wipe off chips that fall onto the leadscrew to improve leadscrew life cycle and maintain clamping accuracy; Included chip guard that is easy to install and prevent any chips from damaging the lead screw; Up to 8200 Lbs of clamping force; Bed height matched to 2.875" +/- 0.0005"; Clamping repeatability within +/- 0.0004"; Bed height tolerance of +/- 0.0005"; Vises' bed parallel to base within 0.0005"; Fixed Jaw perpendicular to bed within 0.0005"; Fixed jaw parallel to vise's keyway within +/- 0.0005"; Vise Jaw Plate thread and spacing is compatible with other American made vise on the market