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All Categories > Imperial (US) Fine Adjustment Screws and Bushings > Fine Adjustment Screws (inch) > 1/4-100 TPI High-Vacuum Screws > Item # TS250-100-1500-AA-HV  
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Item # TS250-100-1500-AA-HV, 1/4-100 TPI Screws

List Price $26.42 ( Quantity Discount Available )

Our 1/4-100 (100 TPI) high-vacuum fine adjusters are available in lengths from 3/8" to 2.0" and are supplied with a 53 HRC .156" or .187" dia. tip and provide sub-micron sensitivity making them an ideal alternative to more costly micrometers where position indicated readout is not a necessity. Our fine adjusters are HEX driven and optional knobs and drive types are available. Thread class exceeds 3A.

Note: Kozak Micro cannot guarantee that our screws and bushings will be compatible with screws and bushings sold by other manufacturers.


Thread Diameter

1/4 in

Thread Pitch

100 TPI

Thread Class


Screw Length Fractional

1-1/2 in

Screw Length Decimal

1.500 in

Ball Tip Diameter

0.187 in

Hex Drive

5/64 in

Screw Material

304 S.S.

Screw ASTM #

AISI 304 (ASTM-A-276-00)

Ball Material

AISI 52100

Ball Hardness

53 HRC

Shipping Weight (lb/piece)

0.0232 lb

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TS250-100-1500-AA-HV 3D Models

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