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Description 10 Manufacturers 93 Products
WAS SHENG ENTERPRISE CO., LTD.
Viwinco Inc.
PREETI ENGINEERING
Manton Pushrods
Kozak Micro Adjusters
GRK
EKSMA Optics, UAB
Dongguan Guanbiao Hardware Products Co., Ltd.
CELO

10 Adjustment Screw Manufacturers in 2025

This section provides an overview for adjustment screws as well as their applications and principles. Also, please take a look at the list of 10 adjustment screw manufacturers and their company rankings. Here are the top-ranked adjustment screw companies as of April, 2025: 1.Viwinco Inc., 2.Kozak Micro Adjusters, 3.CELO.

Table of Contents

What Is an Adjustment Screw?

Adjustment screws are widely utilized for fine-tuning the position and height of machine parts and jigs. They offer a range of adjustment capabilities, from broad movements to precise alterations, with the selection of the optimal thread pitch based on the specific application. To maintain the adjusted position and prevent shifts, they are commonly secured with nuts.

These screws are integral in adjusting various functions of machines and equipment, including pressure, flow rate, voltage, and frequency, beyond their basic positional adjustments.

Uses of Adjustment Screws

1. Position Adjustment of Machinery and Equipment

Adjustment screws enable precise positioning of mechanical components, crucial in instances where processing accuracy needs enhancement or post-assembly adjustments are necessary.

2. Adjusting the Position of Jigs and Tools

For securing jigs and tools in exact positions on mechanical equipment, adjustment screws provide the necessary precision.

3. Adjustment of Detector/Sensor Position

These screws are essential for the precise positioning of detectors and sensors, including adjustments to the optical axis of photoelectric sensors. They can be used in conjunction with a micrometer for visual confirmation of adjustments, taking care to avoid micrometer damage during the process.

4. Tilt Adjustment

Adjustment screws facilitate tilt adjustments by using multiple screws on the same surface to alter the inclination of the contact surface, ideal for applications such as chutes.

Principles of Adjustment Screws

By rotating the screw, which moves in the axial direction due to the thread lead, adjustment screws push against the mating material to modify its position. The screw ends often feature a spherical contact surface to minimize surface condition effects, with many screws hardened for enhanced wear resistance. The pitch is tailored for precise adjustments, though coarser threads are used for specific applications, requiring matching accuracy for both screw and hole.

Adjustment Screw Types

1. Set Screw Type

Resembling a set screw, this type has a hardened, spherical end for contact. It accommodates hexagonal holes and spanner use with its chamfered screw tightening part.

2. Hexagon Bolt Type

Similar to a hexagonal bolt, this adjustment screw type uses the threaded end as the contact surface, designed for ease of torque application with a wrench and offering compatibility with both spanners and wrenches.

3. Spindle Type

Combining a precision screw with a brass bush and spindle, this type allows for finer adjustments than standard adjustment screws, commonly found in micrometers and precision stages.

Other Information on Adjustment Screws

1. Material of Adjustment Screw

Constructed from materials like carbon steel, chromoly steel, and stainless steel, adjustment screws are treated for rust and corrosion resistance to withstand exposure and continuous adjustments.

2. How to Use the Adjustment Screw

Adjustment screws are positioned and tightened against the mating material to adjust placement. Securing with a nut prevents loosening, with careful attention needed to avoid shift during nut tightening. Alternatively, positioning screws on opposite sides of an object allows for precise bidirectional adjustments.

List of 10 Adjustment Screw Manufacturers

*Including some distributors, etc.

Sort by Features

  • Default
  • Company Size: largest first
  • Year Founded: oldest first
  • Year Founded: earliest first

Sort by Area

  • United States of America
  • China
  • India
  • Lithuania
  • Taiwan
    • Kozak Micro Adjusters
      • United States of America Address: 193 Franklin Road Randolph, New Jersey, United States of America

      Manufacturer Overview

      Kozak Micro Adjusters Inc., a subsidiary of Kozak Precision Products, established in 1980 and headquartered in Morris County, New Jersey, is a manufacturer and global supplier of micro precision adjustment screws and mechanical hardware. Some of the products offered by the company include imperial fine adjustment screws & bushings, knobs for fine adjustment screws, metric fine adjustment screws & bushings, screw and bushing matched sets, and zero-backlash bushing & screw sets. These products enable precision adjustment in applications like optical instruments, lasers, microscopes, and precision mechanical assemblies, ensuring accurate positioning for optimal performance.

    • WAS SHENG ENTERPRISE CO., LTD.
      • Taiwan Address: 5F., No. 123-9, Xingde Rd., Sanchong Dist., New Taipei City, Taiwan

      Manufacturer Overview

      Was Sheng Enterprise Co. Ltd., established in 1985 and headquartered in New Taipei, Taiwan, is an ISO 9001:2015 certified manufacturer of industrial mechanical components and aerospace industrial parts. Its product line includes standoffs for electronic component mounting, inserts for fastening materials, customized screws, and pins for joining materials. The company also offers various capabilities, including CNC machining, stamping, milling, and multi-stage cold forging. The company has engaged in collaborations with global business entities, including ASUS, BMW, Dyson, Ferrari, and General Motors.

    • CELO

      Manufacturer Overview

      CELO, founded in 1963 and based in Aichach, Germany, is a manufacturer of fixing equipment and systems for a wide range of applications in various industries. The company's product folio consists of fixings & anchors, decorative screw scraps, self-drilling screws, metal clamps, and installation accessories that are essential in locksmiths, metalworking, woodwork, and, plumbing & sanitation industries. The company holds ISO 9001 certification and is structured into two main operational business divisions: fixings and fasteners and distributes products under the brand CELO.

    • EKSMA Optics, UAB
      • Lithuania Address: Dvarcioniu st. 2B,Vilnius, Lithuania

      Company Overview

      EKSMA Optics, UAB, established in 1983 and based in Vilnius, Lithuania, is a manufacturer and supplier of precision optical components, optical systems, and similar products. The company fabricates optical components, nonlinear and laser crystals, and electro-optics and laser electronics. It also produces laser line components, opto-mechanical components, and optical systems. It uses electron evaporation, ion assistance deposition, thermal evaporation, and advanced ion beam sputtered technologies for the deposition of coatings on optical and crystal elements.

    • Dongguan Guanbiao Hardware Products Co., Ltd.
      • China Address: No. 306, Yangkeng Road, Qiaotou Industrial Zone, Yangkeng Road, Qiaoli Village, Changping Town, Dongguan City, Guangdong Province, China

Adjustment Screw Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the adjustment screw page as of April 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

Newly Established Company

  1. Dongguan Guanbiao Hardware Products Co., Ltd.: 2013 (12 years ago)
  2. Hyway: 2008 (17 years ago)
  3. WAS SHENG ENTERPRISE CO., LTD.: 1985 (40 years ago)

Company with a History

  1. Kozak Micro Adjusters: 1980 (45 years ago)
  2. Viwinco Inc.: 1982 (43 years ago)
  3. EKSMA Optics, UAB: 1983 (42 years ago)

Adjustment Screw Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Adjustment Screw Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 3 37.5%
Taiwan Taiwan 2 25.0%
Lithuania Lithuania 1 12.5%
India India 1 12.5%
China China 1 12.5%

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List of Adjustment Screw Products

93 products found

93 products

Pre-coated type anti-loosening Seahorse lock resistance type (resin type)-Ikeda Metal Industry Co., Ltd.

Ikeda Metal Industry Co., Ltd.

Pre-coated type anti-loosening Seahorse lock resistance type (resin type)

240+ people viewing

Last viewed: 1 day ago

■Features ・Eliminate the hassle, unevenness, and forgetfulness of adhesive application work ・It is possible to order the type, application range,...


M16 bulge insert for precast concrete-Nikko Sangyo Co., Ltd.

Nikko Sangyo Co., Ltd.

M16 bulge insert for precast concrete

170+ people viewing

Last viewed: 7 hours ago

We have recently developed a bulge-forming screw processed using bulge-forming technology. When a bulge is formed on the inner surface of a screw, ...


M36 bulge insert for precast concrete-Nikko Sangyo Co., Ltd.

Nikko Sangyo Co., Ltd.

M36 bulge insert for precast concrete

170+ people viewing

Last viewed: 10 hours ago

We have recently developed a bulge-forming screw processed using bulge-forming technology. When a bulge is formed on the inner surface of a screw, ...


Michigan Deviling Tool Modular Type (A ~ G Type) Accessories Modular type Blade adjustment screw-Rinos Co., Ltd.

Rinos Co., Ltd.

Michigan Deviling Tool Modular Type (A ~ G Type) Accessories Modular type Blade adjustment screw

200+ people viewing

Last viewed: 23 hours ago

2 models listed

MDT-301-Michigan Deviling Tool Modular Type (A ~ G Type) Accessories Modular type Blade adjustment screw
MDT-302-Michigan Deviling Tool Modular Type (A ~ G Type) Accessories Modular type Blade adjustment screw

Bali removal tool Michigan Deviling Tool Auto lock type MDT-401 Auto lock type blade adjustment screw-Rinos Co., Ltd.

Rinos Co., Ltd.

Bali removal tool Michigan Deviling Tool Auto lock type MDT-401 Auto lock type blade adjustment screw

220+ people viewing

Last viewed: 1 day ago

■ Characteristics ・ It is a tool that removes the back and surface of the penetrating hole from φ6.43 to φ26.0. ・ There is no need to create a co...


Michigan Deviling Tool Modular Type (A ~ G Type) Accessories Modular type Pilot adjustment screw-Rinos Co., Ltd.

Rinos Co., Ltd.

Michigan Deviling Tool Modular Type (A ~ G Type) Accessories Modular type Pilot adjustment screw

200+ people viewing

Last viewed: 11 hours ago

3 models listed

MDT-201-Michigan Deviling Tool Modular Type (A ~ G Type) Accessories Modular type Pilot adjustment screw
MDT-202-Michigan Deviling Tool Modular Type (A ~ G Type) Accessories Modular type Pilot adjustment screw
MDT-203-Michigan Deviling Tool Modular Type (A ~ G Type) Accessories Modular type Pilot adjustment screw

Plastic screw & plastic spring PC series-Tokyo Hatsujo Manufacturing Co., Ltd.

Tokyo Hatsujo Manufacturing Co., Ltd.

Plastic screw & plastic spring PC series

170+ people viewing

Last viewed: 1 day ago

Nippon Chemical Screw Co., Ltd. began selling polycarbonate screws in 1965, and continues to operate as Japan's only manufacturer specializing in p...


Plastic screw & plastic spring PPS series-Tokyo Hatsujo Manufacturing Co., Ltd.

Tokyo Hatsujo Manufacturing Co., Ltd.

Plastic screw & plastic spring PPS series

180+ people viewing

Last viewed: 1 day ago

Nippon Chemical Screw Co., Ltd. began selling polycarbonate screws in 1965, and continues to operate as Japan's only manufacturer specializing in p...


Plastic screw & plastic spring RENY series-Tokyo Hatsujo Manufacturing Co., Ltd.

Tokyo Hatsujo Manufacturing Co., Ltd.

Plastic screw & plastic spring RENY series

160+ people viewing

Last viewed: 3 hours ago

Nippon Chemical Screw Co., Ltd. began selling polycarbonate screws in 1965, and continues to operate as Japan's only manufacturer specializing in p...


Plastic screw & plastic spring PEEK series-Tokyo Hatsujo Manufacturing Co., Ltd.

Tokyo Hatsujo Manufacturing Co., Ltd.

Plastic screw & plastic spring PEEK series

180+ people viewing

Last viewed: 5 hours ago

Nippon Chemical Screw Co., Ltd. began selling polycarbonate screws in 1965, and continues to operate as Japan's only manufacturer specializing in p...


Plastic screw & plastic spring POM series-Tokyo Hatsujo Manufacturing Co., Ltd.

Tokyo Hatsujo Manufacturing Co., Ltd.

Plastic screw & plastic spring POM series

170+ people viewing

Last viewed: 5 hours ago

Nippon Chemical Screw Co., Ltd. began selling polycarbonate screws in 1965, and continues to operate as Japan's only manufacturer specializing in p...


Adjustment screw-Optoscience Co., Ltd.

Optoscience Co., Ltd.

Adjustment screw

150+ people viewing

Last viewed: 4 hours ago

The precision adjustment screw has a stainless steel spindle in a brass bush. This will result in smooth movement. Thread pitch is 0.15 or 0.25 mm....


Plastic screw & plastic spring PVC series-Tokyo Hatsujo Manufacturing Co., Ltd.

Tokyo Hatsujo Manufacturing Co., Ltd.

Plastic screw & plastic spring PVC series

200+ people viewing

Last viewed: 1 day ago

Nippon Chemical Screw Co., Ltd. began selling polycarbonate screws in 1965, and continues to operate as Japan's only manufacturer specializing in p...


Plastic screw & plastic spring PI series-Tokyo Hatsujo Manufacturing Co., Ltd.

Tokyo Hatsujo Manufacturing Co., Ltd.

Plastic screw & plastic spring PI series

170+ people viewing

Last viewed: 12 hours ago

Nippon Chemical Screw Co., Ltd. began selling polycarbonate screws in 1965, and continues to operate as Japan's only manufacturer specializing in p...


Plastic screw & plastic spring PP series-Tokyo Hatsujo Manufacturing Co., Ltd.

Tokyo Hatsujo Manufacturing Co., Ltd.

Plastic screw & plastic spring PP series

180+ people viewing

Last viewed: 1 day ago

Nippon Chemical Screw Co., Ltd. began selling polycarbonate screws in 1965, and continues to operate as Japan's only manufacturer specializing in p...


Plastic screw & plastic spring PTFE series-Tokyo Hatsujo Manufacturing Co., Ltd.

Tokyo Hatsujo Manufacturing Co., Ltd.

Plastic screw & plastic spring PTFE series

180+ people viewing

Last viewed: 1 hour ago

Nippon Chemical Screw Co., Ltd. began selling polycarbonate screws in 1965, and continues to operate as Japan's only manufacturer specializing in p...


Plastic screw & plastic spring PFA series-Tokyo Hatsujo Manufacturing Co., Ltd.

Tokyo Hatsujo Manufacturing Co., Ltd.

Plastic screw & plastic spring PFA series

190+ people viewing

Last viewed: 6 hours ago

Nippon Chemical Screw Co., Ltd. began selling polycarbonate screws in 1965, and continues to operate as Japan's only manufacturer specializing in p...


[Accessories/Replacement parts] Accessories Direct work clamping device, standard adjustment screw PDSC-Sunk Japan Co., Ltd.

Sunk Japan Co., Ltd.

[Accessories/Replacement parts] Accessories Direct work clamping device, standard adjustment screw PDSC

310+ people viewing

Last viewed: 1 day ago

The compensation screw minimizes coaxial error compensation of the workpiece.

4 models listed

PDSC M12-60-[Accessories/Replacement parts] Accessories Direct work clamping device, standard adjustment screw PDSC
PDSC M14-62-[Accessories/Replacement parts] Accessories Direct work clamping device, standard adjustment screw PDSC
PDSC M16-65-[Accessories/Replacement parts] Accessories Direct work clamping device, standard adjustment screw PDSC
PDSC M16-70-[Accessories/Replacement parts] Accessories Direct work clamping device, standard adjustment screw PDSC

You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock-Taiyo Mold Supplies Co., Ltd.

Taiyo Mold Supplies Co., Ltd.

You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock

500+ people viewing

Last viewed: 1 day ago

■Features - The tension can be adjusted freely using the adjustment bolt, and even if it becomes weak during use, it can be readjusted. -Adjustment...

8 models listed

Plalock 12 (no brim)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock
Plalock 13 (no brim)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock
Plalock 16 (no brim)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock
Plalock 20 (no brim)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock
Plalock 16 (with shaft)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock
Plalock 12 (with collar)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock

Adjustment bolt N-S for level adjustment of mechanical equipment-Taiyo Mold Supplies Co., Ltd.

Taiyo Mold Supplies Co., Ltd.

Adjustment bolt N-S for level adjustment of mechanical equipment

560+ people viewing

Last viewed: 1 day ago

For level adjustment of mechanical equipment. ■Features - The bottom of the saucer has a cross hole that is not found in conventional products. Ea...

10 models listed

N-S 16×75-Adjustment bolt N-S for level adjustment of mechanical equipment
N-S 16×100-Adjustment bolt N-S for level adjustment of mechanical equipment
N-S 16×130-Adjustment bolt N-S for level adjustment of mechanical equipment
N-S 16×150-Adjustment bolt N-S for level adjustment of mechanical equipment
N-S 16×180-Adjustment bolt N-S for level adjustment of mechanical equipment
N-S 16×200-Adjustment bolt N-S for level adjustment of mechanical equipment

You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock (with bush)-Taiyo Mold Supplies Co., Ltd.

Taiyo Mold Supplies Co., Ltd.

You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock (with bush)

520+ people viewing

Last viewed: 3 hours ago

■Features - The tension can be adjusted freely using the adjustment bolt, and even if it becomes weak during use, it can be readjusted. -Adjustment...

7 models listed

Plalock (with bush) 13 (without collar)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock (with bush)
Plalock (with bush) 16 (without collar)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock (with bush)
Plalock (with bush) 20 (without collar)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock (with bush)
Plalock (with bush) 16 (with shaft)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock (with bush)
Plalock (with bush) 13 (with collar)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock (with bush)
Plalock (with bush) 16 (with collar)-You can freely adjust the tensile force with the adjustment bolt, and even if it becomes weak during use, you can readjust it. Plalock (with bush)

Accessories adjustment screw for small diameter milling chuck-Seiwa Precision Machinery Co., Ltd.

Seiwa Precision Machinery Co., Ltd.

Accessories adjustment screw for small diameter milling chuck

330+ people viewing

Last viewed: 1 day ago

For hard chuck, small diameter milling chuck, small diameter slim chuck, milling chuck *Other model numbers are available.

10 models listed

OR-M10 (-25)-Accessories adjustment screw for small diameter milling chuck
OR-M12 (-25)-Accessories adjustment screw for small diameter milling chuck
OR-M14 (-30)-Accessories adjustment screw for small diameter milling chuck
OR-M18 (-25)-Accessories adjustment screw for small diameter milling chuck
OR-M18 (-35)-Accessories adjustment screw for small diameter milling chuck
OR-M24-25-Accessories adjustment screw for small diameter milling chuck

Accessories for CS chuck Adjustment screw-Seiwa Precision Machinery Co., Ltd.

Seiwa Precision Machinery Co., Ltd.

Accessories for CS chuck Adjustment screw

370+ people viewing

Last viewed: 1 day ago

10 models listed

OR-CS16-M10-Accessories for CS chuck Adjustment screw
OR-CS16-M12-Accessories for CS chuck Adjustment screw
OR-CS20-M10-Accessories for CS chuck Adjustment screw
OR-CS20-M12-Accessories for CS chuck Adjustment screw
OR-CS25-M10-Accessories for CS chuck Adjustment screw
OR-CS25-M12-Accessories for CS chuck Adjustment screw

Suction cup unit extension screw-Sailor Fountain Pen Co., Ltd. Robot Equipment Division

Sailor Fountain Pen Co., Ltd. Robot Equipment Division

Suction cup unit extension screw

100+ people viewing

Last viewed: 1 day ago


Fine adjustment screw [Fine pitch screw, micro type, differential type]-Tsukumo Engineering Co., Ltd.

Tsukumo Engineering Co., Ltd.

Fine adjustment screw [Fine pitch screw, micro type, differential type]

Electronics & Electrical Use Energy Industry Use Aerospace Industry Use

350+ people viewing

Last viewed: 19 hours ago

■Summary - Fine adjustment screws are adjustment screws used in various products. -Can be used for integration into equipment or as adjustment part...

9 models listed

TM-11-Fine adjustment screw [Fine pitch screw, micro type, differential type]
-Fine adjustment screw [Fine pitch screw, micro type, differential type]
-Fine adjustment screw [Fine pitch screw, micro type, differential type]
-Fine adjustment screw [Fine pitch screw, micro type, differential type]
-Fine adjustment screw [Fine pitch screw, micro type, differential type]
-Fine adjustment screw [Fine pitch screw, micro type, differential type]

Price (without tax)

$ 9.10 〜

Adjustment jack (standard type)-Sugimoto Ltd.

Sugimoto Ltd.

Adjustment jack (standard type)

40+ people viewing

Last viewed: 1 day ago

There are two types: ``Standard type'' and ``Strong type'', and they are used to adjust the height of the clamp. *Cannot be used under the mold as...


Adjustment jack (strong type)-Sugimoto Ltd.

Sugimoto Ltd.

Adjustment jack (strong type)

40+ people viewing

Last viewed: 1 day ago

There are two types: ``Standard type'' and ``Strong type'', and they are used to adjust the height of the clamp. *Cannot be used under the mold as...


Hexagon socket head screw adjustment bolt set (ASH/coarse iron (or standard)-Yamazaki Co., Ltd.

Yamazaki Co., Ltd.

Hexagon socket head screw adjustment bolt set (ASH/coarse iron (or standard)

40+ people viewing

Last viewed: 8 hours ago


Hexagon socket head screw adjustment bolt set (ASHF/fine iron (or standard)-Yamazaki Co., Ltd.

Yamazaki Co., Ltd.

Hexagon socket head screw adjustment bolt set (ASHF/fine iron (or standard)

30+ people viewing

Last viewed: 18 hours ago








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