Best Laser Diodes Deals Online in the UK (25 Deals Found)

Last Updated - 15/12/2025 Sort By:

Best Choice
CESFONJER

New
CESFONJER 15pcs 3V Red Dot Laser Head - 5mW 650nm Red Laser Diode
★Package includes:15 pcs 3V 650nm 5mW Red Dot Diode Laser Head

£6.99
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Best Value
Hailege

New
Hailege 5pcs 5mW 650nm Red Dot Laser Diode Laser Transmitter Module for PIC AVR DC5V KY-008
5mW 650nm red dot laser transmitter module for Arduino laser sensor projects

£5.49
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Refurbished
Blue Laser Diode, M140 Nichia 450nm up to 2000mW! BUY 2+1 FREE OFFER! FAST 48h
DIODE M140 M-Type 5.6mm,, 445nm. When you buy 2, you'll automatically receive 1 free diode! The diodes must be inserted

£3.51
CTRICALVER

New
CTRICALVER Laser Module Adjustable Focal Kit, (Light Source Shape: Purple line) 3-5V 405nm Industrial Laser Module Diode
✅ Application: Used for industrial level, alignment, adjustment, positioning, measurement and positioning of medical equ

£10.99
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New
Laser Module Red Cross hair Line Poin Dot Diode Focusable Lens 650nm 5mW 3V 5V
Laser Module Red Cross hair Line Poin Dot Diode Focusable Lens 650nm 5mW 3V 5V.

£4.36
Hailege

New
Hailege 20pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm
5V 650nm 5mW Red Dot Diode Laser Head Red Laser Diode 6mm Red Laser Diode Laser Head

£7.49
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BGTXINGI

New
BGTXINGI 40pcs of Mini Laser Dot Diode Module Head WL Red 650nm 6mm 5V 5mW and 3V 5mW Each of 20Pcs
40pcs Of Mini Laser Dot Diode Module Head WL Red 650nm 6mm 5V 5mW And 3V 5mW Each of 20Pcs

£10.99
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New
Laser Module Red Cross hair Line Diode Focusable Lens 650nm 5mW 3-5V UK

£4.95
OTOTEC

New
OTOTEC 20PCS 5V 650nm Less Than 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm for
5V 650nm less than 5mW Red Dot Diode Laser Head

£12.19
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Used
Pump Source Diode Laser 40-1000W for Raycus MAX JPT IPG Laser Welding Cutting
Remote Ignition Capability:Equipped with remote ignition, the MAX Laser Pump Source simplifies operations, ensuring safe

£9.00
A-DIGISHUO

New
A-DIGISHUO 5Pcs KY-008 Laser Head Sensor Module Light Source Wavelength 650nm Operating Voltage 5V Laser Diode Laser Tra
void setup() { pinMode(13, OUTPUT); // Define pin 13 as a digital output interface } void loop() { digitalWrite(13, HIGH

£4.99
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BGTXINGI

New
BGTXINGI 20Pcs Mini Red Laser Dot Head Laser Diode Laser Tube Diode Module Head 650nm 6mm 5V 5mW and 3V 5mW + 20Pcs 5mm
Package set: 40pcs laser dot module and photoresistor set. Including 10pcs 5v 5mW, 10pcs 3V 5mW laser dot module, 20pcs

£11.99
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New
Laser Dot Diode Module, Pack of 3, 650nm, 3v or 5v, Red - UK Stock
Wavelength: 650nm. Laser Dot Diode Module. Produces a Red Dot. Red Spot Mode. An SMD resistor towards the back of the un

£3.56
CTRICALVER

New
CTRICALVER Laser Module Adjustable Focal Kit, Power Supply kit +520nm Industrial Laser Module Diode 3-5V 2.1mm DC Plug (
✅ Structure: high-quality laser diode, light weight, low power consumption; metal shell, durable, high strength, toughne

£15.99
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New
Laser Module Red Cross hair Line Poin Dot Diode Focusable Lens 650nm 5mW 5v UK
Focusable: Yes. Wavelength: 650nm. Output power: 5mW. LASER MODULE DOT / LINE / CROSS. Available in 3 different variants

£4.75
CTRICALVER

New
CTRICALVER Laser Module Adjustable Focal Kit, 405nm Industrial Laser Module Diode 3-5V 2.1mm DC Plug +Power Supply kit (
✅ Features: Light source shape: purple dot. Diameter 12mm, length 35mm, compact size, large light angle, clear light. Th

£10.99
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New
650nm 80mW Red Laser Diode Module DC2.5V LED Light With No Driver
650nm 80mW Red Focus Dot Laser Module. 1x 650nm 80mW Laser Dot Diode Module. Be sure the operator has experience in opti

£4.79
Used
1pcs Used NICHIA 445nm 7W-8W Blue 9mm NUBM47 A1 Laser Diode
1pcs Used High Power NICHIA 445nm 7W-8W Blue 9.0mm NUBM47 -A1 Bank Laser Diode. 1x Used NUBM47 Laser. Manufacturer: Nich

£24.71
New
Housing 16x55mm Focusable w/Glass Collimating Lens for 5.6mm TO-18 Laser Diodes
1pcs Housing 16x55mm w/Glass Collimating Lens for 5.6mm TO-18 Laser Diodes. For 5.6mm TO-18 laser diode.

£6.83
New
3.7V Current Driver Board for 445nm 447nm 450nm Blue 1w 1.4w 2W Laser Diode
Driver Board 3.7V Current for Blue 445nm 447nm 450nm 1w 1.4w 2W Laser Diode. Widely use in industrial and LAB ! Pin defi

£8.15
New
638nm 1.2W Red 1200mW 9.0mm Laser Diode HL63283HD TO-5 Multimode LD
638nm 1.2W Multimode Red 1200mW Laser Diode HL63283HD TO-9 9.0mm LD. Wavelength: 638nm. 1x 635nm 638nm 1200mW Laser Diod

£33.47
New
12V 4A Driver Board TTL For 405nm-520nm Blue Green 500mW-4.5W Laser Diode Module
Wavelength: 405-450nm Violet Blue; 515nm 520nm Green. 405nm 450nm 500mW-4.5W Laser Module Driver Board. Note: Default po

£11.88
Used
1pc Used Nichia NUBM4C 455nm 4.5W High Power Blue Laser Diode TO5-9mm
Model: NUBM4C. 1pc Used Nichia NUBM4C 455nm 4.35W Blue Laser Diode giant screen projection TO5-9mm. Wavelength: 455nm ±7

£18.47
New
Diode Laser Cap For Hair Growth
The Diode Laser Cap for Hair Growth is a unisex hair care accessory designed to stimulate hair growth and prevent hair l

£414.70
New
AlgoLaser Delta 22W Diode Laser Engraver -UK Shipping-
Software: AlgoLaser APP / Lightburn / LaserGRBL. Machine: Delta 22W. Laser Source: Diode Laser. Laser Power: 22. Laser S

£465.70

25 Laser Diodes deals are available from: Amazon, eBay stores, starting from £3.51.
The biggest discount we found is 10%% on CESFONJER 15pcs 3V Red Dot Laser Head - 5mW 650nm Red Laser Diode at Amazon.
The lowest price we found is £3.51 while the highest is £465.70.
Prices for the best Laser Diodes deals average at £44.68.
Last updated on December 15, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Laser Diodes.