6" 660U CNC Milling Machine Vise 0.0004"

SKU 202-0995

6" 660U CNC Milling Machine Vise 0.0004"

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SKU 202-0995
Vise Category Milling Machine Vises
Brand Shars Tool
Vise Application CNC machine, manual machine
jaw opening 6.25
Jaw Width 6
Jaw Depth 1.75
overall length 15.16
Bed Height +/-0.0005" 3.189
With Swivel Base no
Jaw Plate Thread Size 1/2"-13
Jaw Plate Threads Spacing (inch) 3.875
Clamping Force (Lbs) 8000
Full Details

Product Spotlight

660U Advantage 

  • Unibody design of vise bed and stationary jaws improves clamping accuracy by eliminating jaw flex and provides greater strength than the conventional milling vise
  • Unlike other less expensive import vises, 660U 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
  • Vise body made from 80,000 PSI stress relieved ductile cast iron
  • Vise bed and jaw plates are flame hardened to 45 HRc
  • Precision ground flat sides allow the vise to be mounted on each side, vertically, or in high density mounting system
  • Multiple mounting options available including 4 bolt flanges spaced 5" apart to be in perfectly alignment with Bridgeport mill's T-slot, and also feature two 1/2" counterbored holes through the vise bed with 5" spacing
  • Stationary jaw features machined keyway to easy workstop
  • Semi-hard leadscrew in ground bright finish
  • Sealed and lubricated needle roller thrust bearing for maximum bearing life and minimum torque requirements
  • Unique design features a brush on both end of spindle nut to wipe off chips to improve  leadscrew life cycle and maintain clamping accuracy
  • Up to 8000 Lbs of clamping force
  • Bed height matched to 3.189" +/- 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
  • Footprint and distance from the keyway to stationary jaws meet the industry standard
  • Life Time Limited Warranty


Lifetime Limited Warranty 

Shars Tool warrants that this 660U vise will be free from defects in material and/or workmanship for the life of the product. The life of the product or part is defined as that point in time when such item no longer functions due to normal wear and tear. Failure to properly maintain and/or operate this product under normal conditions, or the use of this vise with third party components will void this warranty. This warranty does not cover normal wear items (Example: O-rings, leadscrew, vise jaw, etc.) and any product or part that has been, abused, heated, ground or otherwise altered, used for a purpose other than that for which it was intended, or used in a manner inconsistent with any instructions regarding its use.  Shars Tool is not responsible for damage cost resulting from failure or defect of this vise.  Shars Tool will correct any defects by repair or replacement at Shars Tool's choice provided that such an item is returned to Shars Tool’s place of business with transportation, shipping and postal charges prepaid.

Parts List

660U-17 660U-4-5 660U-19
Locking Screw Nut Vise Nut and Brush Pair Slide Cover
690V-Key2 660U-2 660U-18
Vise Key 11/16" Main Screw Stable Screw Nut
690V-Key1 690V-14
Stepped Vise Key 11/16" to 5/8" Jaw Plate

What's Included

  • Polish Handle
  • 2 pc of 11/16" T-slot Keys
  • Four toe clamps with T-nuts for 11/16" T-slots
  • Chip Guard
  • Inspection report