Best 3 Stück 40 Mm 2026

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Last Updated - 22.07.2026

Best Choice

01

SchiBo

SchiBo 50 pieces diameter 40 mm key rings/tool tags, round, made of 3-layer plastic, choice of colours and sizes, blank or numbered with engraving, number circle selectable (with number engraving

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9.6

Exceptional

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

Stable hole: 20 mm. Variant: 3 mm. Hole diameter: 25 mm, 30 mm and 40 mm. Variants: 4 mm hole diameter. Suitable for key rings, wire ropes, carabiners or hooks.
Robust material: 3-layer construction ensures resistance to wear and ensures long-lasting readability of the engraving
Practical size selection: Choose between 20 mm, 25 mm, 30 mm or 40 mm diameter - suitable for different applications.
Individually selectable number range: optionally blank or with individual number engraving. Select number range - for example 1-50, 51-100 or consecutively as needed. This makes it easy to combine or expand multiple sets.
Comprehensive set: 50 key rings made of high-quality 3-layer material for long-lasting use and professional labelling
Choice of colours: available in 8 colour variations (blue, green, red, yellow, orange, black, white, grey). You will receive a selected colour per order (no colour mix)

85,95 €
Value for Money

02

SPAX

Spax, universal screw, 3, countersunk, T-star Plus, 4CUT, partial thread, galvanised, blank A2J - 0191010350303

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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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Main highlights

Use: Universal for indoor and outdoor use where there is no direct weather influence. Exclusive Wirox coating from Spax: Corrosion resistance 20 times higher than standard blank galvanised screws.
Saves power and battery: no predrilling required (depending on the type of wood). Easy to screw. Reduces cracks in wood thanks to the 4Cut square tip. Typical Spax wave-form profile for easier separation of the wood fibres.
Multi-head with countersunk head: easier penetration and easier screwing. Mills in wood and brakes on metal. Optimal power transmission and best hold at the tip, even when working overhead, thanks to the wave-form profile of the T-Star plus.
Made in Germany: TÜV-certified. Official approval: European technical approval: Self-tapping screws as a wood connecting medium in supporting wood constructions (ETA-12/0114).
Box contents: 1 box SPAX T-Star plus, countersunk head, partial thread, 4Cut tip, WIROX coating, adaptor not included.

26,99 €
03

Treki

Treki Pack of 3 40 mm Electric Rotary Cutter Replacement Blades for Electric Scissors Universal Cutter Electric Scissors Blade Replacement Rotary Blades Rotary Cutter Blades for Cardboard Cutters

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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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Main highlights

Use of replacement rotary blades - ideal for cutting cardboard, leather, fabric and similar materials. Compatible with most electric rotary cutters.
Size of rotary cutter blades - diameter is 40 mm, inner diameter of interface is 5.9 mm.
Round blades with toe-necked design - The ten-sided shape provides 12° even support angles on each edge, which ensures improved stability and cutting performance compared to round knives.
Replacement blade for cordless - As a replacement package for household applications, allows easy replacement of old knives.
Material of electric scissors blades - Made of high-quality SK2 steel with high hardness, long-lasting sharpness and better durability than conventional knives.

8,99 €
04

QUARKZMAN

QUARKZMAN Pack of 50 Cylinder Pins Rustproof 3 x 40 mm Tension Pin Dowel Pin Dowel Pins Metal for DIY, Furniture, Craft Projects

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8.9

Very Good

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Main highlights

【Wide Applications】Indoor and outdoor use - Ideal for furniture such as tables, chairs, drawers, cupboards as well as DIY and hobby projects.
Package contents: you will receive 50 pieces of cylindrical cylinder pins, each with a diameter of 3 mm (0.12 inches) and a length of 40 mm (1.57 inches), with a 0.2Ra surface, 58-62HRC hardness and a diameter tolerance of +/-0.02 mm for high precision and durability.
High-quality material: these cylinder pins are made of bearing steel with a smooth burr-free surface, high hardness, high wear resistance and excellent fatigue resistance, which ensures their performance under high loads and long-term use.
Extensive selection: We carry different sizes and quantities of cylinder pins to meet your individual requirements.
Easy to install: the cylindrical tapered end not only optimises the simple design, but makes installation much easier. The smooth surface allows for effortless insertion into any holes.

8,39 €
05

KLIMAS

KLIMAS Torx Wood Screws, Chipboard Screws, White, Countersunk Screws, Patio Screws, Universal Screws, Roof Construction Screws Set, 3 x 40 mm, Pack of 500

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8.8

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

Wood screws with wax coating: The unique wax coating significantly reduces the required screw-in torque. This makes assembly faster and easier and also extends the operating time of battery-powered tools.
Torx screw set with double thread: Additional spirals at the tip make it easier to screw in, which allows the wood to be grasped faster and less pressure is required.
The screw head with TX drive ensures secure and proper attachment. Thanks to the special TX drive, optimal transmission of the torque is ensured. Discover an extensive range of Torx screws, including wood screws (3 x 40 mm) and chipboard screws. Torx screw assortment!
Milling tip / cutting notches: The special shape of the cutter tip reduces resistance when screwing in by 20%, which extends the life of batteries and tools. The cutting notches on the thread cut the wood fibres of the grain when screwing in. Suitable for solid wood, glued solid wood, wood-based boards, plywood, OSB panels and other wood materials.
Drill bit: Our adjusting screws are equipped with a boring cutter that makes it easier to insert the screw by expanding the hole in the component and reducing the required torque. Perfect as construction screws, especially for wood construction and joist hangers.

10,72 €
06

Lovmunia

Lovmunia Pack of 3 Protective Cases with Screen Protector Compatible with Apple Watch SE3 (2025)/SE2/SE/6/5/4 40 mm, All-Round Hard Case Built-In Scratch-Resistant Tempered Glass Screen Protector for iWatch 40 mm

16% Off Limited Time Deal

16% Off

Limited Time Deal

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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

You will receive: you will receive your Apple Watch case in three different colours, so you can change it according to your mood
Precise placement of holes: This Apple Watch case has precise cut-outs for the function buttons and ports, so you can easily access them all
Easy installation: The case is easy to install and remove without having to remove the strap. The screen of the case is very smooth and gives you the same feeling of touch as the original watch screen
Comprehensive protection: This iWatch 40 mm PC hard case has a built-in tempered glass film that protects your Apple Watch from dust, dirt, scratches and damage
Compatible model: suitable for Apple Watch SE 3/SE 2/SE/6/5/4 40 mm smartwatch. Please check your watch size before purchasing

7,12 € 8,49 €(16% Off off)
07

iwui

iwui Replacement Speaker 40 mm 3W 4Ω Mini Speaker with JST-PH2.0 Interface, Built-in Speaker Repair Accessories for DIY Audio Projects, Includes Phillips Screwdriver (Pack of 1)

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8.3

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

Robust materials and durable: the small speaker is manufactured to a high quality, durable and durable. It is suitable as a replacement part for various devices, from advertising machines to electronic projects where reliability is required
Powerful replacement speaker 4Ω 3W: This mini speaker offers 3 watts of power at 4 Ohm impedance and impresses with clear treble and powerful bass. Ideal as a replacement speaker 4Ω 3W for repairs, upgrades or installation in DIY audio projects
Full range speaker for clear sound: Thanks to its design as a full-range speaker, the 40mm built-in speaker delivers a balanced sound with clear highs and rich lows. Perfect for music boxes, small audio devices or DIY speaker projects
Easy installation with JST-PH2.0 interface - With the practical 2-pin JST-PH2.0 interface and the approx. 150 mm cable, the speaker can be connected quickly and safely. This makes it the optimal solution for repairs and electronic crafts
Compact and practical with accessories: with only 40 mm diameter, the speaker is space-saving and versatile. In addition, a Phillips screwdriver is included to facilitate assembly and allow quick repair

9,25 €
08

L K

L K 6 Pieces Screen Protector for Apple Watch Series 6/5/4 SE 3/2/1 40 mm and Apple Watch Series 9/8/7 41 mm Film - Bubble-Free Scratch-Resistant Anti-Scratch HD Clear TPU Screen Protector

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8.2

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

Ultra clear - 99% HD clear screen protector with high-resolution transparent film and maximum resolution, which maintains the bright and colourful image quality
Special material: highly permeable soft acrylic adhesive to restore the screen colour clearly, repair small scratches and bubbles automatically within 24 hours
Sensitive touch: only 0.1 mm thickness maintains the original response sensitivity of the watch and ensures a quick app launch
Maximum coverage - The flexible TPU screen protector adapts perfectly to your screen from curved edge to curved edge. It is designed to provide the maximum coverage for your watch screen
6 pieces - The screen protector has been specially designed for the Apple Watch 41 mm Series 7/8 and Apple Watch Series 6/5/4 SE 3/2/1 40 mm and protects your Apple Watch perfectly. Not for Apple Watch 45 mm Series 8/7

6,99 €
09

Lovmunia

Lovmunia Pack of 3 Protective Cases with Screen Protector Compatible with Apple Watch SE3 (2025)/SE2/SE/6/5/4 40 mm, All-Round Hard Case Built-In Scratch-Resistant Tempered Glass Screen Protector for iWatch 40 mm

16% Off Limited Time Deal

16% Off

Limited Time Deal

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7.9

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.

Show more
Main highlights

You will receive: you will receive your Apple Watch case in three different colours, so you can change it according to your mood
Precise placement of holes: This Apple Watch case has precise cut-outs for the function buttons and ports, so you can easily access them all
Easy installation: The case is easy to install and remove without having to remove the strap. The screen of the case is very smooth and gives you the same feeling of touch as the original watch screen
Comprehensive protection: this iWatch 40 mm PC hard case has an integrated tempered glass film that protects your Apple Watch from dust, dirt, scratches and damage
Compatible model: suitable for Apple Watch SE 3/SE 2/SE/6/5/4 40 mm smartwatch. Please check your watch size before purchasing

7,12 € 8,49 €(16% Off off)
10

TGKML

TGKML Pack of 2 Compatible with Apple Watch SE 3/SE 2/SE/6/5/4 Protective Case with Screen Protector 40 mm, Hard Case Built-In Scratch-Resistant Tempered Glass Screen Protector for iWatch 40 mm, Clear x 2

19% Off Limited Time Deal

19% Off

Limited Time Deal

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7.7

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

Touch sensitive: our iWatch screen protector has an ultra-high light transmission and a smooth surface that feels like the original Apple Watch screen, which is very sensitive to touch
Total protection: the TGKML iWatch 40 mm hard PC case has a built-in tempered glass film to protect your iWatch from dust, scratches and falls. The precise cut-outs allow safe access to all controls and sensors
Package includes: 2 Apple Watch protective cases + 2 sets of wet/dry kits for cleaning your watch.
Easy installation: the Apple Watch protective case has a snap-on design, it can be installed or removed in seconds without removing the watch strap and can be charged directly
Compatible model: suitable for Apple Watch Series SE3 SE2 SE 6 5 4 40 mm smartwatch. Does not apply to other sizes

6,49 € 7,99 €(19% Off off)