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Mitee-Bite 31050 0.28-0.49" Mild Steel ID Expansion Clamps

Online Price Only: $35.82 Regular Price: $35.85
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More Information
Mfg SKU #31050
Flange Diameter1.170
Maximum Expansion Diameter0.4900
Minimum Expansion Diameter0.2800
Clamping Force (Lbs)950
Center Screw Thread Size8-32
Mounting Screw Thread Size6-32
MaterialMild Steel
Mount Hole Diameter0.825
Flange Thickness0.23
Expansion Height0.59
Height Above Flange0.63
Overall Height0.86
Number of Mount Holes3
Thread Length Below Base0.30
Maximum Torque Ft/Lb3.6


Made in USAMade in USA


ID Xpansion™ Clamps

The ID Xpansion™ clamp is the ideal solution to hold parts on an inside diameter for high density machining on vertical or horizontal machining centers. It can also be used as an expanding mandrel on a lathe.

  • These machinable clamps are produced in 12L14 steel with black oxide coating in 12 sizes and can hold internal diameters from under 3/16 to almost 10 inches (4.1 to 254mm). #10 manufactured using 7075-T6 aluminum.

    The low profile ID Xpansion™ Clamp can hold several parts in one compact area for secondary operations without any clamping interference. They are quickly tightened with a hex key, torque driver or can be mated to hydraulic pull cylinders for automation.

  • The flange diameter of the clamp is held to a close tolerance for precision locating in a machined pocket on work cubes and fixture plates.

    The customer machines the mild steel clamp to match the bore of the part ensuring a proper fit. Often times the clamps can be remachined for different size jobs.


  • Low Profile
  • Ideal way to hold multiple parts on an inside diameter for multiple machining on a vertical or horizontal machining center
  • Strong clamping surface
  • Heat-treated and coated screw for long life
  • Clamp body made of mild steel for machinability