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Hex Adjusters, 3/16"-100 Ultra Fine


  • Hex Adjusters and Adjusters with Knobs
  • Tolerances Better Than Class 3
  • 0.01" Travel per Revolution

F19SSN1P

LN19100

F19SSK1

N100L5P

F19SC1

5/64"
Hex Socket

F19SS100

F19SS200

UFS075

UFS100

F19SSK1L

Related Items


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Features

  • 100 TPI Fine Adjustment
  • Hex Adjusters Feature a 5/64" (2 mm) Hex Socket
  • Removable Adjustment Knobs Available for Hex Adjusters
  • Adjusters with Integrated Adjustment Knob
  • Phosphor Bronze Sleeves, Threaded Bushings, Lock Nuts, and Locking Collars for Threading Integration

These 3/16"-100 adjuster screws are especially challenging to manufacture given that the thread depth (peak to valley) is just 0.006". We have developed a manufacturing process that meets the Class 3 thread tolerancing standard.

If you are incorporating any of these components into larger optomechanical systems, please ensure that the specifications for any mating parts you are manufacturing have the appropriate tolerances. For more details, please see the Integration tab.

Threaded Bushing Application

Integrating Fine Adjustment Screws Into Optomechanical Systems

The assembly process begins by producing the appropriately sized mating hole for the threaded bushing. Given the close fit between the threaded bushing and the mating adjuster screw, we caution against using a press fit to assemble these products. For our own production needs, we use a permanent anaerobic adhesive that provides excellent long-term performance.

We recommend using Loctite Anaerobic Adhesive product number 680 or equivalent. In order to ensure maximum strength between the bonded parts, we strongly urge the user to follow carefully the instructions provided by Loctite, which specify the amount of clearance between the threaded bushing and the mounting plate. The most common source of failure is not allowing for the proper clearance between the parts being bonded since this clearance provides for the proper volume of adhesive.

When assembling, apply a small amount of the Loctite adhesive to the threaded bushing only. Rotate the bushing as it is installed to ensure a uniform distribution of the adhesive. After insertion, remove any excess adhesive from around the part.

As shown in the figure to the right, the flange on the mating bushing is designed to support the axial load of the screw and bushing assembly.

Volume Pricing Discount
Contact Thorlabs

OEM & Custom Precision Screws

Thorlabs manufactures custom and high volume OEM precision screws and bushings with various diameters, lengths, and threads. To inquire about custom or OEM precision screws, please contact Technical Support or use the "Contact Us" form to the right. A specialist will contact you within 24 hours or the next business day.

Precision Screw Capabilities

Thorlabs' in-house machine shop, located in Newton, NJ, gives us the ability to quickly produce large quantities of precision screws and bushings. We are equipped to manufacture screw diameters ranging from 2.5 mm to 20 mm with lengths up to 165 mm and a maximum thread pitch of 200 TPI. Our standard adjuster screw design has a hardened steel ball tip to provide a single point of contact; for other applications we are able to provide adjusters without the steel ball. Custom orders can be achieved on a case-by-case basis. For large orders of an item, Thorlabs passes on to the customer the cost savings associated with planned production of high volumes of that item. For more information on Thorlabs' discount pricing policy, click the "V" link to the right. We also offer a large variety of stock precision screws, which are available here.

Fast Turn-Around Times
Our experienced, highly skilled machinists are running our five on-site Citizen Swiss Screw Machines 24 hours a day, allowing us to produce high-volume custom and OEM orders. Each machine is capable of running unattended, producing one screw every 30 to 120 seconds. This flexibility allows us to fulfill multiple orders at once without sacrificing quality.

High Quality
Thorlabs inspects all of our fabricated precision screws and bushings after the initial fabrication process and right before packaging. All inspections adhere to the ANSI AQL1.5 acceptable quality level, which states that if a certain percentage, based upon the amount of product in a certain lot, does not meet specification, then the entire lot is not sold. This ensures that all customers recieve the highest quality product every time and that all items will be of equal performance.

Precision Screw Production


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Posted Comments:
Poster:H.RITTLER
Posted Date:2016-03-16 08:23:35.813
CAD MODELS?
Poster:besembeson
Posted Date:2016-03-17 09:46:01.0
Response from Bweh at Thorlabs USA: We have the CAD models on the website. I will contact you if you have any questions about these models.
Poster:jlow
Posted Date:2012-08-27 17:00:00.0
Response from Jeremy at Thorlabs: These fine adjusters are already greased with Apiezon M grease.
Poster:scholten
Posted Date:2012-08-25 19:59:58.0
Thanks for these adjusters, but it seems they are supplied without lubricant. What grease or other lubricant to you recommend? Your SG10 vacuum grease? Thanks
Poster:Thorlabs
Posted Date:2010-10-08 17:24:23.0
Response from Javier at Thorlabs to w.nayland: Thank you very much for your feedback. I will share your comments with our mechanics department and contact you directly with more information.
Poster:w.nayland
Posted Date:2010-09-23 12:54:35.0
I am having great difficulty using the adjusters with the 5/64 hex socket and think it would be an improvement if the adjuster were extended slightly to include a round hole lead in which is a tight clearance on the key. With the suggested change fitting the key in the hexagon can be done in 2 stages. 1) fitting the key in the round hole so that it is concentric with the hexagon. 2) fiddling the key into the hexagon.
Poster:Tyler
Posted Date:2008-07-30 16:48:35.0
A response from Tyler at Thorlabs to somansv: The hex adjusters are RoHS compliant while the bushings are RoHS exempt 6. This information is typically available on the "Documents and Drawings" tab or by clicking on the part number in the price box. Thank you for your interest in our products.
Poster:somansv
Posted Date:2008-07-30 14:24:48.0
Is this material ROHS Compliant?

3/16"-100 Ultra-Fine Hex Adjusters

  • Seven Lengths Available from 0.375" to 2"
  • 5/64" (2 mm) Hex Key Compatible
  • Max Load: 18 lbs (8 kg)

Our high precision 3/16"-100 Fine Hex Adjusters can be adjusted with a 5/64" (2 mm) hex key, 3/16"-100 removable adjustment knob (sold below), or HKTS-5/64 hex key adjuster knob (sold below). The F19SS series adjusters have a maximum axial load capacity of 18 lbs (8 kg). These adjusters are constructed of 303 stainless steel and come pregreased to ensure smooth mating into compatible components.

These adjuster screws are designed to be used with 3/16"-100 threaded bushings, available below. Alternatively, for more compact applications, a 3/16"-100 plug tap can create 3/16"-100 tapped holes in optomechanical components.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
F19SS038 Support Documentation
F19SS038Ultra-Fine Hex Adjuster, 3/16"-100, 0.375" Long
$3.93
Today
F19SS050 Support Documentation
F19SS050Ultra-Fine Hex Adjuster, 3/16"-100, 0.50" Long
$4.46
Today
F19SS075 Support Documentation
F19SS075Ultra-Fine Hex Adjuster, 3/16"-100, 0.75" Long
$5.40
Today
F19SS100 Support Documentation
F19SS100Ultra-Fine Hex Adjuster, 3/16"-100, 1.00" Long
$6.00
Today
F19SS125 Support Documentation
F19SS125Ultra-Fine Hex Adjuster, 3/16"-100: 1.25" Long
$6.85
Today
F19SS150 Support Documentation
F19SS150Ultra-Fine Hex Adjuster, 3/16"-100, 1.50" Long
$8.00
Today
F19SS200 Support Documentation
F19SS200Ultra-Fine Hex Adjuster, 3/16"-100, 2.00" Long
$9.20
Today

3/16"-100 Ultra-Fine Adjusters with Knob

  • Two Lengths Available
  • Max Load: 18 lbs (8 kg)

Our high precision 3/16"-100 Fine Adjustment Screws are equivalent to the adjusters sold above, but with a knob permanently attached to one end. The knob improves adjustment sensitivity. Our UFS series adjusters have a maximum axial load capacity of 18 lbs (8 kg). The adjusters are constructed of 303 stainless steel and come pregreased to ensure smooth mating into compatible components.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
UFS075 Support Documentation
UFS075Ultra-Fine Adjustment Screw with Knob, 3/16"-100, 0.75" Long
$13.20
Today
UFS100 Support Documentation
UFS100Ultra-Fine Adjustment Screw with Knob, 3/16"-100, 1.00" Long
$15.30
Today

3/16"-100 Removable Adjustment Knobs

  • Use with 3/16"-100 Hex Adjusters
  • Clearance Hole Allows Access to Adjuster's Hex Socket
  • Available in 2 Sizes
  • Knurled Knob Increases Adjustment Sensitivity

The F19SSK1 and F19SSK1L Removable Adjustment Knobs thread onto our 3/16"-100 F19SS series hex adjusters to allow adjustment without the use of a hex key. This provides quick and easy adjustments for a broad range of applications. The adjuster knobs are available in two sizes: standard (Ø0.41") and large (Ø0.71").

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
F19SSK1 Support Documentation
F19SSK13/16"-100 Removable Adjuster Knob
$4.70
Today
F19SSK1L Support Documentation
F19SSK1LLarge-Diameter 3/16"-100 Removable Adjuster Knob
$7.75
Today

3/16"-100 Threaded Bushings

  • Ideal for Slip Fit
  • Three Lengths Available
  • Made from 510 Phosphor Bronze (Vacuum Rated for 10-6 Torr)
  • Recommended Bore Diameter:
    • N100: 0.242" +0.001"/-0.000"
    • F19: 0.290" +0.001"/-0.000"

The N100B2P and F19SS series threaded bushings are designed for slip fit applications, as the 3/16"-100 threading tolerances are too tight for press fit. The recommended bore diameter for our N100 bushings is 0.242" +0.001"/-0.000", and for our F19 bushings is 0.290" +0.001/-0.000". Each bushing is made of phosphor bronze in order to prevent damage to the fine adjusters. Phosphor bronze offers advantages like vacuum compatibility over brass. For vacuum applications, we recommend a thorough ultrasonic cleaning to remove any grease or particulates prior to use. To learn more about the use of fine adjustment screws and bushings in optomechanical systems, please see the Integration tab above.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
N100B2P Support Documentation
N100B2PThreaded Bushing, Phosphor Bronze, 3/16"-100, 0.34" Long
$4.59
Today
F19SSN1P Support Documentation
F19SSN1PThreaded Bushing, Phosphor Bronze, 3/16"-100, 0.40" Long
$4.49
Today
F19SSN2P Support Documentation
F19SSN2PThreaded Bushing, Phosphor Bronze, 3/16"-100, 0.53" Long
$4.29
Today

3/16"-100 Ultra-Fine Locking Bushing with Nut

  • Material: 510 Phosphor Bronze (Vacuum Rated for 10-6 Torr)
  • Installed Using the 7/16" Hex Locking Nut
  • Adjuster Screws Can be Locked in Place with the Side-Located Setscrew

This 3/16"-100 threaded bushing is made from 510 Phosphor Bronze (vacuum rated for 10-6 torr) and includes a removable nut with a 7/16" hex. The sleeve can be mounted in a clearance hole, using the 7/16" hex nut to lock them into place. Adjusters installed in this bushing can be locked in place via a side-located setscrew. For vacuum applications, we recommend a thorough ultrasonic cleaning to remove any grease or particulates prior to use.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
N100L5P Support Documentation
N100L5PUltra-Fine Phosphor-Bronze Locking Bushing with Nut, 3/16"-100
$11.00
Today

3/16"-100 Lock Nut

  • Knurled Outside Diameter for Easy Tightening
  • Material: 510 Phosphor Bronze
  • Vacuum Compatible: 10-6 Torr

The LN19100 lock nut features a knurled outside diameter to make gripping the nut easier when loosening or tightening. The 0.15" (3.8 mm) thick lock nut is made from 510 Phosphor Bronze, which is vacuum rated for 10-6 Torr. Each nut features blind holes that allow a hex key to be used to help tighten the lock nut.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
LN19100 Support Documentation
LN19100Customer Inspired!3/16"-100 Lock Nut
$8.40
Today

3/16"-100 Locking Collar

Stop Colar Jam Nut
Click to Enlarge

Two Collars Can be Locked Together to Create a Hard Stop
Stop Colar Lock Nut
Click to Enlarge

A Single Locking Collar Can Lock an Adjuster in Position
  • Extremely Compact Lock Nut: 0.05" (1.1 mm) Thick
  • Use One Collar To Lock an Adjuster to a Bushing
  • Use Two Collars to Create a Hard Stop on an Adjuster
  • Sold in Packages of Five
  • Install and Remove with the SPW401 Spanner Wrench, Sold Below

These locking collars are compact alternatives to the lock nuts sold above. They are only 0.05" (1.1 mm) thick and are constructed of 303 stainless steel. They are compatible with all of the 3/16"-100 adjusters sold on this page, as well as those used in our PY005 5-axis platform.

As shown in the photos to the right, they can be used to lock an adjuster in a desired position, or to create a hard stop at any position to prevent overdriving an adjuster. In addition to using two collars to create a hard stop, as shown in the photo to the far right, a single collar can be epoxied to an adjuster using our G14250 epoxy to create a permanent hard stop. We recommend the SPW401 Spanner Wrench, sold below, to install or remove these locking collars.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
F19SC1 Support Documentation
F19SC1Locking Collar for 3/16"-100 Adjusters, 5 Pack
$26.75
Today
+1 Qty Docs Part Number - Universal Price Available / Ships
SPW401 Support Documentation
SPW401Spanner Wrench for F19SC1 3/16"-100 Locking Collars
$25.50
Today

5/64" Hex Key Adjusters

POLARIS-K12AH with HKTS-5/64 Adjuster
Click for Details

POLARIS-K1-2AH with HKTS-5/64 Adjuster
  • For Convenient Adjustment of 5/64" and 2 mm Hex-Driven Actuators
  • Red Anodized Adjustment Knob with Engraved Hex Size
  • Replaceable Hex Tip
  • Sold in Packages of 4

These 5/64" Hex Key Adjuster Thumbscrews allow for quick adjustment of many 5/64" and 2 mm hex-driven actuators (or standard actuators with the knobs removed). These temporary knobs can be left in the screw's hex socket between adjustments for convenience (see photo to the right). An 8-32 setscrew (5/64" hex) secures the replaceable hex bit, which can be reversed if the tip is stripped. Contact Tech Support to order replacement hex key bits.

We offer hex key thumbscrews in sizes from 0.050" to 3/16" and 2 mm to 5 mm.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
HKTS-5/64 Support Documentation
HKTS-5/64Customer Inspired!5/64" (2 mm) Hex Key Thumbscrew (4 Pack)
$23.00
Today
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