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Mechanical Components – The Basis for Robust Constructions

Mechanical components for your projects – from fasteners to cables and fuses. Ensure stability, safety, and order in your constructions!
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Mounting Material
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MakerBeam Profile
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Cables & Wires
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Cable Accessories
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Fuses

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DREMEC
TFM-M2.5KX
Plastic spacer sleeve with thread (inside/outside) M2.5

From €0.51

Available · 100+ piece · 1-3 days

Frei
M3X16BIN
Screw, M3x16, countersunk head, blackened, hexagon socket, steel

€0.06

Available · 100+ piece · 1-3 days

Average rating of 5 out of 5 stars

DREMEC
TFM-M2.5
Metal spacer sleeve with thread (inside/outside) M2.5

From €0.24

Available · 100+ piece · 1-3 days

Average rating of 5 out of 5 stars

Frei
TFF-M2.5
Metal spacer sleeve with thread (inside) M2.5

From €0.24

Available · 100+ piece · 1-3 days

Average rating of 5 out of 5 stars

Frei
D7985
Screw; Head : Cylinder, M2.5X5

€0.06

Available · 73 piece · 1-3 days

Bossard
1156705
Screw, M4x10, countersunk head, zinc-plated, Phillips, steel

€0.05

Available · 100+ piece · 1-3 days

TAPPEX
003M4
MULTISERT® BN 37896: Robust threaded insert made of brass, M4, for plastic mounting

€0.57

Available · 100+ piece · 1-3 days

Frei
D7988
Screw; head : cylinder, M2.5X8

€0.05

Available · 100+ piece · 1-3 days

FIX&FASTEN
FIX-SF-050435
FIX&FASTEN self-adhesive base, width: 5mm, length: 4.5mm, height: 3.5mm, rubber, black

€0.15

Available · 100+ piece · 1-3 days

Frei
BN781
Washer with external toothing, metal, M2.5; D5.5mm; H0.4mm

€0.07

Available · 74 piece · 1-3 days

TAPPEX
138M4
TRISERT® Thread insert: M4, brass, 7.1mm - Ideal for thermoset and plastic - 1 pc

€0.40

Available · 47 piece · 1-3 days

Bossard
BN4828
Screw with flange; head : ball, M2.5X8

€0.09

Available · 33 piece · 1-3 days

FIX&FASTEN
FIX-5.0X25-PRO
Bend protection sleeve, Øopening: 5mm, elastomer, black, L: 25mm

€0.59

Available · 30 piece · 1-3 days

KRAFTBERG
M25X10D7985
Screw, M2.5x10, cylinder head, Phillips PH1, steel

€0.03

Available · 100+ piece · 1-3 days

Average rating of 5 out of 5 stars

Bossard
BN4825
Screw with flange; head : ball, M2.5X5

€0.06

Available · 100+ piece · 1-3 days

Average rating of 5 out of 5 stars

Bossard
BN109
Nut, hexagonal, M2.5; H2mm; 5mm

€0.05

Available · 100+ piece · 1-3 days

Pololu
POL952
Pololu Ball Caster, 0.5 inch plastic ball, ABS housing, height-adjustable for small robots

€2.50

Available · 21 piece · 1-3 days

Average rating of 4.8 out of 5 stars

goobay
55045
Stranded copper wire insulated, 1x0.14mm, 10m
Color: black

Content: 10 Meter (€0.12 / 1 Meter)

€1.20

Available · 100+ piece · 1-3 days

Average rating of 5 out of 5 stars

Bossard
BN670
Washer, metal, round, M2.5; D5.1mm; H0.6mm

€0.04

Available · 100+ piece · 1-3 days

Average rating of 4.8 out of 5 stars

goobay
55044
Stranded copper wire insulated, 1x0.14mm, 10m
Color: red

Content: 10 Meter (€0.12 / 1 Meter)

€1.20

Available · 57 piece · 1-3 days

KEYSTONE
781-C
Keystone self-adhesive, non-slip base, polyurethane, D: 12.7 mm, H: 1.5 mm, transparent, 1 piece

€0.20

Available · 33 piece · 1-3 days

SKF
608-2Z-SKF
Ball bearing SKF 608-2Z: 8mm bore, 22mm outside, 7mm width, 75000 r/min, CN, grooves, rolling bearing steel

€4.60

Available · 16 piece · 1-3 days

Average rating of 4.5 out of 5 stars

Donau Elektronik
E205-10
Copper switching wire, insulated, ø2x0.5mm, red-white, 10m

€3.70

Available · 6 piece · 1-3 days

DROMET
DROMET-OUS-5
DROMET S-hook, steel, zinc-coated, for suspension / bracket, 5mm

€0.35

Available · 5 piece · 1-3 days

Average rating of 4.5 out of 5 stars

BerryBase
DBSET-M2.5
120-piece brass spacer assortment in plastic box, size: M2.5

€12.90

Available · 100+ piece · 1-3 days

Average rating of 4 out of 5 stars

Donau Elektronik
Drill014
Insulated stranded wire, 3x0.14mm, 5m

Content: 5 Meter (€0.56 / 1 Meter)

From €2.80

Available · 34 piece · 1-3 days

Bossard
BN1052-M3
Bossard BN1052 Gewindeeinsatz, Messing, M3, Länge 5,8mm

€0.15

Available · 35 piece · 1-3 days

Average rating of 4.8 out of 5 stars

Donau Elektronik
KSD05
Copper switching wire, insulated, ø0.5mm, 10m

Content: 10 Meter (€0.19 / 1 Meter)

From €1.90

Available · 100+ piece · 1-3 days

Average rating of 4.8 out of 5 stars

goobay
55046
Stranded copper wire insulated, 1x0.14mm, 10m
Color: white

Content: 10 Meter (€0.12 / 1 Meter)

€1.20

Available · 83 piece · 1-3 days

PROFFUSE
SIH-ZHL32
PROFFUSE fuse holder 5x20mm: PCB-compatible, 6A, 0.25kV, black

€0.40

Available · 97 piece · 1-3 days

Average rating of 4.8 out of 5 stars

goobay
55042
Stranded copper wire insulated, 1x0.14mm, 10m
Color: green

Content: 10 Meter (€0.12 / 1 Meter)

€1.20

Available · 20 piece · 1-3 days

Average rating of 4.8 out of 5 stars

goobay
55041
Stranded copper wire insulated, 1x0.14mm, 10m
Color: yellow

Content: 10 Meter (€0.12 / 1 Meter)

€1.20

Available · 93 piece · 1-3 days

Average rating of 4.8 out of 5 stars

goobay
55039
Stranded copper wire insulated, 1x0.14mm, 10m
Color: blue

Content: 10 Meter (€0.12 / 1 Meter)

€1.20

Available · 88 piece · 1-3 days

ELESA+GANTER
VIBM40
Vibration damper M4, Ø 10mm, highly flexible rubber, 55 Shore hardness, 89N load capacity

€1.20

Available · 22 piece · 1-3 days

RST ROZTOCZE
3.ZN60.101-07
RST ROZTOCZE, hinge, 3.ZN60.101-07, polyamide, 40mm, black

€2.70

Available · 14 piece · 1-3 days

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Mechanical Components – Fundamentals for Electronics and Prototyping

Mechanical components are among the fundamental elements in the fields of electronics, prototyping, and microcontroller projects. They do not perform any electrical function, but they are essential for the stability, mounting, structure, and protection of circuits and assemblies.

In the context of microcontrollers such as Arduino, Raspberry Pi, or ESP32, mechanical components ensure that circuit boards are securely mounted, cables are properly routed, and components are reliably fixed in place. They are used both in breadboard prototyping and in permanent setups.

Typical mechanical components include mounting hardware, cables and wires, fuses, profiles, and tools for modular constructions. They enable reproducible setups, simplify maintenance, and increase the service life of electronic systems.

Mounting Hardware for PCBs and Enclosures

Mounting hardware is essential for securely installing printed circuit boards, modules, and mechanical components. It provides a firm hold, defined spacing, and mechanical decoupling of sensitive electronics.

Typical products include screws, nuts, washers, threaded inserts, standoffs, and spacer sleeves. The range is complemented by enclosure feet, vibration dampers, and hinges for movable or low-vibration constructions.

In the microcontroller field, mounting hardware is used to install PCBs stress-free inside enclosures, allow air circulation, or stack multiple boards on top of each other. Standardized thread sizes such as M2, M2.5, and M3 are particularly common.

MakerBeam Profiles – Modular Frames and Constructions

MakerBeam profiles are compact aluminum profiles with a 10 × 10 mm cross-section, specifically developed for precise and modular constructions. They are ideal for building stable frames, mounts, and enclosure structures in electronics and maker projects.

With suitable angles, connectors, and screws, MakerBeam profiles can be flexibly combined and expanded at any time. This makes them particularly suitable for prototyping, test setups, 3D printer accessories, or custom microcontroller enclosures.

MakerBeam systems combine mechanical stability with reusability and enable clean, right-angled constructions without custom fabrication.

Cables and Wires for Electronics Projects

Cables and wires provide electrical connections between components, modules, and power sources. They are indispensable for building circuits, especially in breadboard use and prototyping.

Depending on the application, different types are used, including insulated stranded copper wire, twin-core wire, four-core wire, eight-core wire, ribbon cables, and copper-clad steel wire. They differ in flexibility, current-carrying capacity, and mechanical durability.

In microcontroller projects, wires are used to connect sensors, distribute voltages, or transmit signals between modules. Clean cable routing increases reliability and simplifies troubleshooting and expansions.

FAQ – Mechanical Components

Which screw and standoff sizes are required for printed circuit boards (PCBs)?
For most PCBs, screws and standoffs in sizes M2, M2.5, or M3 are used. The choice depends on the hole diameter of the PCB.
What is the difference between plastic and metal standoffs?
Plastic standoffs are electrically insulating and lightweight. Metal standoffs offer greater stability but must be used with insulation in sensitive circuits.
What mounting options are available for PCBs in enclosures?
Common options include screwed standoffs, snap-in mounts, or screwed mounting plates. The choice depends on the enclosure type and accessibility.
What size standoffs are used for Arduino and Raspberry Pi boards?
Arduino and Raspberry Pi boards typically use M2.5 or M3 standoffs with heights between 6 mm and 12 mm, depending on the enclosure and setup.