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3/16-200

Our series of 200 TPI (Threads per Inch) screw-bushing matched pair series push the limit of the capabilty of screw machine to consistently maintain such a fine thread.  Second only to our 254 TPI screws for ultra fine adjustment, these screws have a pitch of 0.127 mm/rev (127 µm/rev) allowing for submicron adjustment capability

These 200 TPI ultra fine adjustment screws are made in the USA and sold from stock in common sizes (3/8 in, 1/2 in, 5/8 in, 3/4 in, 1in, 1 1/4 in, 1 1/2 in, 1 3/4 in and 2 in long). These ultra fine adjusters come pre-paired to a bushing at the factory to assure the tightest fit possible and prevent debris from being caught in the threads.

For more information on Base Optics fine adjustment screws please see our Fine Adjustment Screws Tutorial.

Don't see what you want? Call 570-371-5710 or email sales@baselabtools.com for custom and vacuum compatible versions.
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