![Item # TS250-100-1500-AA-HV, 1/4-100 TPI High-vacuum Fine Adjustment Screws](http://kozakmicro.com/cdn/shop/products/14-80_20screws_201_057493a8-b739-49fc-8b85-4a48b376d637_{width}x.jpg?v=1597015550)
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.
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Specifications
Thread Diameter
1/4 in
Thread Pitch
100 TPI
Thread Class
3A
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