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All Categories > Metric Fine Adjustment Screws and Bushings > Metric Fine Adjustment Screws > M3-0.25 Screws High-Vacuum Screws > Item # TS3-25-20-HV  
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Item # TS3-25-20-HV

List Price $19.22 ( Quantity Discount Available )

Our M3-0.25 high-vacuum compatible fine adjusters are available in standard lengths from 8 mm to 25 mm and are supplied with a 53 HRC 1.6 mm dia. tip and provide sub-micron sensitivity. The screws are made of passivated 304 SS and include a relief in the ball cavity which allows air to escape from under the ball-tip. Our metric ultra fine adjusters are HEX driven (1.5 mm) and optional knobs and drive types are available. Thread class exceeds 6g. Additional lengths available by request.

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


Thread Diameter


Thread Pitch

0.25 mm

Thread Class


Screw Length

0.787 in

Ball Tip Diameter

1.6 mm

Hex Drive

1.5 mm

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)

0.0023 lb

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TS3-25-20-HV 3D Models

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