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  5. Starrett S831EZ Small Hole Gage 4 in Case .125-.400"/3.2-10.2mm
Starrett S831EZ Small Hole Gage 4 in Case .125-.400
Starrett S831EZ Small Hole Gage Set

Starrett S831EZ Small Hole Gage 4 in Case .125-.400"/3.2-10.2mm

Part Number:: S831EZ
MFG ID: S831EZ
Your Price $171.00
Retail Price:$190.00
Your Savings:$19.00(10%)
The Starrett 831 Series Small Hole Gages are well balanced tools that are ideal for accurately measuring small holes, slots, grooves and recesses in all kinds of work. They all feature a hardened-ball measuring surface with two-point contact, the radius on each gage is less than the minimum diameter to be measured, which provides the two-point contact necessary for maximum accuracy. All have a smooth, sensitive adjustment for better feel, giving more accurate measurements and the adjustment of the gage beyond their Range is restricted by a safety stop that prevents breakage. Accurate measurements are obtained by slightly "rocking" these gages in the hole to be measured. This will guarantee contact at the true diameter. The final size is then obtained by measuring over the ball contacts with a micrometer. This S831EZ Set of 4 gages comes in a convenient case and has a measuring Range of .125-.400" / 3.2-10.2mm and are 2-13/16" to 3-1/2" / 70-90 mm in length. This permits use in even the most shallow holes, slots and recesses due to the half-ball, flat bottom gaging surface.

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