Best Thumb Screws 2025

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Last Updated - 09/06/2025

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

Moendergo

Moendergo 195pcs Thumb Screw Set M4 M5 M6 Carbon Thread Knurled Knob Fixing Screw Handle Screws Round Clamp Screw Hose Clamps for Types of Stands and Machines

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9.6

Exceptional

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Wide Applications Suitable for woodworking, body shop, mechanical equipment, electronic equipment, drills, milling tables, lathes, table saw, workshop machinery, doors, lockers, cabinet, shelf bracket, furniture equipment, instruments, appliances and so on. Also available as a replacement knob for shop wiring jigs and fixtures.
Thumb Screw Kit:The thumb screw knob includes 195 pieces thumb screws in 12 sizes:M4 x 12mm, M4 x 16mm, M4 x 20mm, M4 x 25mm, M5 x 12mm, M5 x 16mm, M5 x 20mm, M5 x 25mm, M5 x 25mm, M5 6 x 12 6mm, M6 x 12 mm, M6 x 16 mm, M6 x 20 mm, M6 x 25 mm. All of them are packed in a transparent storage box for easy carrying and taking. Multiple sizes and abundant quantities can satisfy your lathe replacement needs.
NON-SLIP Safe and secure thumb screws for the ultimate adjustment and tightening control. The screws are neat and clear, the force is even, and it is not easy to slip.
High Quality The male threaded knurled clamp knobs are made of high quality galvanized iron, with good hardness, strength, anti-corrosion and good stability.
EASY TO INSTALL Clamping screw for easy installation, smooth lines and finger grip distance for easy rotation, no tools required.

13,99 €
03

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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9.5

Excellent

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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.

13,49 €
04

BREANIFULL

BREANIFULL Pack of 10 Button Star Screw M6 x 60 mm Star Clamping Knob Handle Knurled Screw Handle Clamping Screws Star Grip Nut Star Screw for Industrial Equipment

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9.4

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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MACHINE TOOL CLAMP SCREW: Star handle screws is easy to grip and can withstand high torque without detaching from the metal. The plastic handle thread clamp button sits comfortably in the hand and is suitable for most machine tools and devices, such as mechanical devices, instruments, household goods, etc.
Versatile use: button star screw is mainly used in related industries, such as in the electronics, communication and fitness industry, bridge construction, furniture industry, food and pharmaceutical industries and so on.
Package contents: each package contains 10 pieces M6 x 60 mm star knurled screws carbon steel. Thread length: 60 mm, thread diameter: 6 mm, head diameter: 38 mm.
High-quality material: button nut screws are made of high-quality plastic and carbon steel, with good toughness and impact resistance, robust and durable. Superior quality, star shaped handle is perfect for gripping.
Easy to use: this thumb screw is perfect for gripping, with star and thread design, the surface is carefully polished to ensure a comfortable grip. Star handle with thread for easy assembly, disassembly and adjustment, clamping knob handle is ideal for manual adjustment in mechanical engineering.

8,39 €
Value for Money

05

PIANKEKE

380-Piece PC Screws Set, SSD Screw Set, PC Motherboard Computer Screws Spacer Kit, Screws #6-32 Male to M3 Female for Hard Drive Fan, Housing, SSD, CD-ROM, Computer

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9.3

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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Wide Applications Perfect for PC cases, power supplies, motherboards, hard drives, fans and fixed floppy disk/CD-ROM/DVD-ROM drives and more. These PC screw assortment kits are used for repairing or DIY computers and laptops etc.
Premium Material Our computer screw kit is made of excellent metal material with high hardness, which is rust-proof, oxidation, corrosion and rust resistant, firm, stable, sturdy and durable.
Package Included You will get a total of 380 pieces computer motherboard standoff screws, including the most common sizes, which can meet your different computer installation needs.
PC computer screw kit: includes case fan screws, case screws, hard drive screws, standoff screws, CD-ROM screws, SSD screws, housing hand turning screws, motherboard screws and insulating seals.
Easy to Use All screw sets for PC parts are packed in a storage box, which is easy to use, find and carry. Ideal for computer enthusiasts and professionals.

10,99 €
06

CZlinOduMMX

Pack of 10 Knurled Screws M6 × 30 mm, M6 Knurled Screw Non-Slip, Knurled Screws, Knurled Screw M6 x 30, Black Zinc Alloy Clamping Screw, for Mechanical Devices, Instrumentation, Household Appliances

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9.2

Excellent

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Wide range of applications: the high design of the thumb screw allows for a protruding screw head, allowing a more comfortable working area even when fully screwed in. Suitable for mechanical equipment, tools, automobiles, meters, industrial equipment, household appliances, furniture making and testing equipment where screws need to be loosened frequently.
Screw size: the package includes 10 M6 carbon steel thumb screws with a head diameter of 20 mm, a total thread length of 32 mm, and a head height of approx. 12mm Easy to carry and does not take up space. This is the ideal size for thumb screws.
Precision screws: thumb wing screws are smooth and flat, with clear and sharp threads, uniform rotation force, not easy to slip and good tightening and rotation effects. Attractive metal screws ensure optimal durability and functionality.
High Quality Material Hand tightened round head screws are made of high strength carbon steel with galvanized surface, which has good mechanical properties such as rust resistance, corrosion resistance, heat resistance and low temperature resistance.
Easy to install: Thumb screws are also called thumbscrews and adjustment screws. It is a special screw type with a threaded edge design that increases friction to prevent fingers from slipping when screwing in and out, and can be mounted without tools.

11,99 €
07

POPPSTAR

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

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9.1

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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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 €
08

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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9.0

Excellent

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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.

6,69 €
09

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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8.9

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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Main highlights

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.

12,99 €
10

LERANXIN

M8 Screws, LERANXIN Pack of 8 Hammer Head Screws M8 × 40 mm, Blue and White Surface Zinc Plated Round Head Thumb Screw M8 for Mechanical Equipment, Instrumentation, Household Appliances

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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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Main highlights

Wide range of applications: toggle nut M8 lockable is suitable for mechanical devices, instrumentation, industrial equipment, household appliances, furniture making and testing equipment, etc.
High-quality material: our hammer head screws M8 are made of carbon steel, smooth and textured, hard and not easy to break, not easy to rust, the quality will not let you down
Galvanised surface: the surface of the M8 screws is coated with blue and white zinc, which is smooth and flat, does not cause scratches on the hands, has a certain degree of shine and has a satisfactory look for you.
Easy to use: around the screw head there are vertical lines that increase friction and prevent slipping when screwing in and out, assembly is possible without tools.
Clear thread: our M8 screw thread is clearly defined, smooth and flat, does not slip off easily when rotating, the mounting surface is evenly stressed and the fastening effect is good.

9,99 €