Best Thumb Screws 2026

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Last Updated - 03.02.2026

Best Choice

01

CiShow

Pack of 45 Flat Thumb Screws, M4 x 12/25/40 | M5 x 12/25/40 | M6 x 12/25/40 High Thumb Screws, Flat Knurled Head Screws, Thumb Screws, Zinc Alloy Clamping Screw for Household Appliances

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9.7

Exceptional

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5.【Various sizes】: The thumb screws come in three sizes: M4, M5, M6 and three lengths: 12mm, 25mm and 40mm. You can choose the thumb screws depending on the size of the item, so you don't have to buy them multiple times.
4.【Easy to use】: High thumb screws have a flat knurled head so they grip well and are easy to twist and tight.
3.【Package includes】: the package contains 5 pieces M4*12 flat thumb screws, 5 pieces M4*25 flat thumb screws, 5 pieces M4*40 flat thumb screws, 5 pieces M5*12 flat thumb screws, 5 pieces M5*25 flat thumb screws, 5 pieces M5*40 flat knurled screws, 5 pieces M5*40 flat knurled screws 5 pcs M6*12 flat thumb screws, 5pcs M6*25 flat thumb screws and 5pcs M6*40 flat thumb screws.
2.【Wide Application】: High thumb screws are suitable for household appliances, electrical appliances, instruments, the machinery industry, the gauge industry, the construction industry, the undercarriage circuits, the marine industry and also for fixing decorations, furniture.
1.【Quality Material】: Flat thumb screws are made of high quality steel, with smooth surface, neatly arranged screw threads and uniform force. Wear-resistant, does not rust, can be used for a long

15,99 €
02

CVASNF

Pack of 45 Thumb Screws, Round Head Knurled Screws M4 M5 M6 with Thread Non-Slip High Thumb Screws Thumb Screws Zinc Alloy Clamping Screw for Mechanical Devices

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9.4

Excellent

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Wide application: the knurled mounting screws are suitable for mechanical equipment, communication equipment, electronic equipment, hardware products, furniture decoration, electrical appliances, decorative products, woodworking and other related industries.
Non-slip design: the mounting screws are suitable full thread design, clear threads, smooth lines, good toughness and impact resistance, not easy to slip, uniform force, achieving the ultimate control of adjustment and fixing.
Multiple sizes: the thumb screw contains 5 pieces M4 x 12 mm, 5 pieces M4 x 25 mm, 5 pieces M4 x 40 mm, 5 pieces M5 x 12 mm, 5 pieces M5 x 25 mm, 5 pieces M5 x 40 mm, 5 pieces M6 x 12 mm, 5 pieces M6 x 25 5 mm, 5 Pieces M6 x 40 mm, meet the requirements of multiple scenarios and areas.
High quality material: the wing screws knurls are made of high quality carbon steel, have galvanized surface, are exquisitely made, rust and corrosion resistant, durable and good stability, can be used for a long time.
Easy to Install Our flat thumb screws feature a knurled thread design without any tools to attach. Finger shaft spacing for easy rotation, simple and precise adjustments can be made by turning by hand.

12,99 €
03

BJBJJIU

195-Piece Knurled Screws Set, M4 M5 M6 Knurled Screw with Thread Mounting Screw, Handle Knobs, Round Head Knurled Screws, Clamping Screws, Handle Screws for Machines

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9.3

Excellent

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Sturdy and Durable Material The thumb screw is made of high quality carbon steel, exquisite workmanship, good hardness and strength, sturdy and features long durability and stability.
Package includes: total 195 pieces, sizes and quantities include: 20 pieces M4 x 12 mm, 15 pieces M4 x 16 mm, 15 pieces M4 x 20 mm, 15 pieces M4 x 25 mm, 20 pieces M5 x 12 mm, 15 pieces M5 x 16 mm, 15 pieces M5 x 20 mm, mm, 15 Pieces M5 x 25 mm, 20 pieces M6 x 12 mm, 1 5 pieces M6 x 16 mm, 15 pieces M6 x 20 mm, 15 pieces M6 x 25 mm, meet the requirements of multiple scenarios and areas.
Non-slip design: fully threaded design, clear thread, uniform force, smooth lines, good toughness and impact resistance, not easy to slip and can easily achieve final adjustment and tightening control.
Multi-scene application: thumb screws are widely used in mechanical equipment, communication equipment, electronic equipment, hardware products, furniture decoration, electrical appliances, woodworking, furniture equipment and other related industries.
Knurled Screw Head The screw head features a knurled thread design that provides the leverage of thumb and index finger to turn and allows quick assembly and disassembly by hand without the need for special tools.

12,49 €
Value for Money

04

LERANXIN

LERANXIN Pack of 8 Thumb Screws M6 20 mm, Clamping Screw Black, M6 Screws, Metal Screws for CNC Machining, Furniture, Model Making and Mechanical Engineering

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11% Off
9.2

Excellent

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Wide range of applications: handmade thumb screws are suitable for mechanical equipment, instrumentation, industrial equipment, household appliances, furniture making and testing equipment.
Screw size: the screw head diameter is 20 mm, the thread length is 20 mm, and the head height is approx. 10 mm. It is easy to carry and does not take up space.
Precision screw: thumb screw thumb screws are smooth and flat, the thread is clear, the rotation is not easy to slip and the fastening effect is good.
High Quality Material The thumb screws are made of high quality zinc alloy and the surface is zinc plated, which is not easy to rust and corrosion resistant.
Easy to use: the wave-edge design increases friction and prevents slipping when screwing in and out and can be mounted without tools.

7,99 € 8,99 €(11% Off off)
05

SC-Normteile

Thumb Screws (Low Shape) – M5 x 10 – Pack of 2 – DIN 653 – Made of Stainless Steel A1 VA – Niro – SC653 | SC-Normteile®

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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The thumb screws are also known as thumb and set screws. They are a special type of screw that can be operated by hand. Due to its ribbed edge, slipping of the fingers is prevented when screwing in and out. No additional tools are required for attaching/loosening the thumb screw.
Other areas of application include the following areas: household appliances, furniture construction, mechanical engineering, industrial and underwater technology, precision engineering and testing equipment.
Material: screws made of stainless steel A1 / VA (1.4305). You will receive only first-class professional quality.
Areas of application: the thumb screws can be used individually. They are particularly impressive when connecting connections that need to be released frequently (e.g. PC housing, tripod for cameras, etc.)
►Quantity: 2 pieces, size: M5 x 10, type: knurled screw (low shape) according to DIN 653, metric standard thread

7,05 €
06

Teaaha

Teaaha Pack of 10 Thumb Screws M4, M4 x 10 mm Carbon Steel Threaded Wing Screws Knurled Star Handle Screw Made of Carbon Steel, Black Clamping Screws with Round Head

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8.9

Very Good

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Wide Application These knurled thread nails are widely used in mechanical equipment, instruments, electrical appliances, food and pharmaceutical industry equipment, and are a good helper in fixing a variety of instruments. Thumb nails with internal thread can also be used for hardware and machine furniture, lighting, equipment.
WARNING: The screw section is 10mm long and can reach to the stop on some computer monitors. When installing some monitors, we recommend that you need washers as spacers when mounting the monitor part to avoid damage to the computer monitor. In some cases, all you need is a layer of padding to prevent direct contact.
Sufficient quantity: you will get 10 pieces thumb screws with 4mm x 10mm thread, which can be installed anywhere you need them for your daily use and replacement needs. Thumb screws are durable mounting accessories that can be reused for a wide range of applications. Round head screws have a smooth surface without roughness, ensuring a comfortable user experience.
High-quality materials: the knurled clamp knob with external thread is made of high quality carbon steel with good hardness, strength, corrosion and abrasion resistance; The female thread nail is a mounting accessory that can be used for a long time, and the thumb screws of the handle are screwed in, making it easy to install. The material of the internal thread nail can maintain its service life over a long period of time.
EASY TO USE These toggle screws feature a thread for easy and straightforward installation in daily use. The surface of the round head screws is very smooth and burr-free, which makes handling more comfortable. The size of the screw is very small, it is very convenient to carry, when you need to use it, you can keep it ready for any occasion you need.

4,99 €
07

ORTAVA

ORTAVA Pack of 10 Star Grip Screws, Screws with Handle M5 x 16 mm, Knurled Screw, Star Head Screw, Star Grip Nut, Clamping Knob for Machine Tools, Machine (Black)

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Wide range of uses: our thumb screws are wide application, not only for home use, but also for mechanical engineering, lathe, instrument, industrial equipment.
Size: star head screw M5 x 16 mm, head diameter: 32 mm, thread diameter: 5 mm, the length of the screw: 16 mm.
Safe and accurate: Our thumb screws are very safe to use. Precise threads can connect devices very stably.
High-quality material: Our star handle screw is made of high-quality carbon steel and PP material, robust, corrosion and rust resistant, deformation-free and durable. Regardless of the damp or dry environment, this does not affect the stability of the screws.
Easy to use: our star handle screw with high-quality PP material handle, star head and full thread design, installation and disassembly are very easy.

6,99 €
08

Knpwer

Knpwer 195 Pieces 12 Sizes Knurled Screws Set, M4 M5 M6 Carbon Thread Knurled Screw, Knurled Screw with Thread, Mounting Screw Handle Knobs, Round Head Knurled Screws

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Widely used: widely used in metalworking, for attaching microphone stands, TV and computer monitors, etc. Suitable for woodworking, body shop projects, mechanical equipment, electronic equipment and so on. Also available as replacement knob for shop wiring jigs and fixtures.
Valuable set: the thumb screw knob contains 195 pieces, 12 sizes knurled knurled screws: M4 x 12 mm, M4 x 16 mm, M4 x 20 mm, M4 x 25 mm, M5 x 12 mm, M5 x 16 mm, M5 x 20 mm, M5 x 25 mm, M6 x 12 mm. M6 x 16 mm, M6 x 20 mm, M6 x 25 mm. All are packed in a clear storage box so they can be easily transported and taken with you.
Safe and firm: Knurled thumb screws for ultimate control when adjusting and tightening. The screws are clean and clear, the force is even, and it is not easy to slip.
High-quality material: the knurled clamping knobs with external thread are made of high-quality galvanised iron, which is characterised by high hardness, strength, corrosion protection and good stability.
Easy to install: Screw clamping design for easy installation, smooth lines and handle spacing for easy rotation, no tools required.

12,99 €
09

Knpwer

Knpwer 195 Pieces 12 Sizes Knurled Screws Set, M4 M5 M6 Carbon Thread Knurled Screw, Knurled Screw with Thread, Mounting Screw Handle Knobs, Round Head Knurled Screws

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Widely used: widely used in metalworking, for attaching microphone stands, TV and computer monitors, etc. Suitable for woodworking, body shop projects, mechanical equipment, electronic equipment and so on. Also available as replacement knob for shop wiring jigs and fixtures.
Valuable set: the thumb screw knob contains 195 pieces, 12 sizes knurled knurled screws: M4 x 12 mm, M4 x 16 mm, M4 x 20 mm, M4 x 25 mm, M5 x 12 mm, M5 x 16 mm, M5 x 20 mm, M5 x 25 mm, M6 x 12 mm. M6 x 16 mm, M6 x 20 mm, M6 x 25 mm. All are packed in a clear storage box so they can be easily transported and taken with you.
Safe and firm: Knurled thumb screws for ultimate control when adjusting and tightening. The screws are clean and clear, the force is even, and it is not easy to slip.
High-quality material: the knurled clamping knobs with external thread are made of high-quality galvanised iron, which is characterised by high hardness, strength, corrosion protection and good stability.
Easy to install: Screw clamping design for easy installation, smooth lines and handle spacing for easy rotation, no tools required.

10,26 €
10

POPPSTAR

Poppstar 25 x Thumb Screws for PC Case (#6-32 x 6 mm) Steel Computer Case Screws

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Tool-free installation: wide screw head for easy hand screwing and optimal tightening control; with Phillips head for screwdrivers
PC case screws with UNC thread 6#-32 to 6 mm high-quality workmanship, for attaching computer covers
Computer screws set of 25 for casing, PC covers, PC tower side panels, PCIe slot panel and much more.
Computer Case Thumb Screws: Precision-made, robust and durable - galvanised PC screws ideal for case modding, replacement and maintenance
Box contents: pack of 25 pieces 6-32 UNC housing screws PC (thread length 5 mm, shaft diameter 6 mm, steel black galvanised)

8,56 €