Kits & Tools

Onlinecomponents.com stocks more than 1,187 Kits & Tools parts from 87 manufacturers, covering applications across Assembly Tools, Component Kits, PC Card Inserters, Extractors & Guides. Featured suppliers include TE Connectivity / AMP Brand, Molex / Waldom, Calmark Birtcher, Panduit, Pomona Electronics, Mueller Electric and many more, with authorized distribution, datasheets, and tiered pricing on every part. Browse Kits & Tools by taxonomies — Assembly Tools (388), Component Kits (631), PC Card Inserters, Extractors & Guides (168) — or refine results using the supplier, availability, RoHS, and part-status filters on the left. All Kits & Tools listings include real-time inventory, RoHS status, and lead-time information; request a quote on any restricted or low-availability item directly from its product page.

Electronic component kits and tools combine commonly used parts with the instruments needed to assemble, test, and troubleshoot electronic projects. These kits accelerate prototyping and small-scale production for design engineers, technicians, educators, and hobbyists by packaging resistors, capacitors, connectors, soldering supplies, and measurement instruments into organized assortments ready for immediate use. Online Components supports buyer confidence with verified U.S.-based inventory, clear supplier authentication, and reliable domestic shipping, ensuring orders arrive on schedule and meet manufacturer specifications.

How to Choose the Right Electronic Component Kits and Tools

Start by defining the electrical and mechanical requirements, including voltage, current, tolerance, temperature range, and connector form factor, so that the kit contents fit within your design margins. Check the manufacturer's datasheets for tolerance, temperature coefficient, and power ratings instead of relying on summary descriptions, and account for environmental demands if the device will be subjected to vibration, moisture, or thermal cycling. Consider electrostatic discharge (ESD) protection for sensitive devices, tool ergonomics for repeated use, and whether included meters, crimpers, or soldering irons meet your accuracy and durability requirements. Prioritize supplier authentication and part traceability to reduce counterfeit risk and simplify compliance documentation.

Popular Applications for Electronic Component Kits and Tools

Component kits and tools support industrial automation, automotive electronics, consumer electronics repair, medical device prototyping, and STEM (science, technology, engineering, and mathematics) education. In automation and control systems, resistor assortments, relay packs, and connector kits expedite control-panel assembly and minimize machine downtime by maintaining common spares on hand. Automotive and power-electronics teams rely on heat-shrink tubing, heavy-duty crimp tools, and high-current test equipment to meet durability and safety requirements in demanding environments. Maker spaces and classrooms use starter kits, breadboards, and basic tooling to teach circuit fundamentals and accelerate hands-on learning for new engineers.

Why Buy Electronic Component Kits and Tools from Online Components

Select online components for verified U.S.-based inventory, expedited domestic shipping, and transparent supplier authentication that supports engineering and procurement workflows. Our product pages link directly to manufacturer datasheets, indicate authorized distributor status when applicable, and display compatible SKUs to simplify bill of materials (BOM) management for prototyping and low-volume production. Responsive technical support, a straightforward online ordering experience, and predictable fulfillment make replenishing kits and tooling efficient for engineering teams and maintenance crews.

Electronic Component Kits and Tools: What You Need to Know

What's included in a typical electronic component kit?

Typical kits include passive and active components (resistors, capacitors, diodes, and transistors), as well as connectors, jumper wires, headers, and common assembly supplies. Many kits also include a compact toolset or breadboard, allowing you to prototype immediately.

Are the tools in kits suitable for industrial use?

Quality varies: benchtop and hobby kits are suitable for prototyping and light production, while industrial work requires certified crimpers, calibrated meters, torque tools, and equipment with specified working ranges and safety certifications.

How do I verify component specifications before purchase?

Always consult manufacturer datasheets linked on the product page for electrical characteristics, tolerances, and environmental ratings, and compare those values to your design margins before ordering.

Can kits be customized to match a BOM?

Yes. Engineers commonly start with a base kit and add specific SKUs or request custom assortments to match a BOM for prototyping or short production runs, which streamlines procurement and reduces lead time.

See More
Featured Related Products
  • In Stock: 20

    Immediately


  • 5
    $6.39
  • 25
    $5.72
  • 50
    $5.71
See More

Molex / Waldom 76650-0232 - High Speed Connectors Board-to-Board Kit

Molex / Waldom

High Speed Connectors Board-to-Board Kit

  • In Stock: 12

    Immediately


  • 2 +
    $59.64
See More
  • In Stock: 11

    Immediately


  • 1
    $269.59
  • 5
    $268.91
  • 10
    $268.24
See More
  • In Stock: 9

    Immediately


  • 5
    $11.93
  • 25
    $11.33
  • 50
    $11.07
See More
  • In Stock: 8

    Immediately


  • 5
    $11.77
  • 25
    $11.18
  • 50
    $10.93
See More

TE Connectivity / AMP Brand 1583684-3 - General Hand Tool Used In The Aircraft And Military Industri...

TE Connectivity / AMP Brand

General Hand Tool Used In The Aircraft And Military Industries

  • In Stock: 6

    Immediately


  • 1
    $71.82
  • 5
    $67.11
  • 10
    $65.08
See More

TE Connectivity / AMP Brand 871295-1 - General Hand Tool Used In The Aircraft And Military Industri...

TE Connectivity / AMP Brand

General Hand Tool Used In The Aircraft And Military Industries

  • In Stock: 4

    Immediately


  • 1
    $325.60
  • 3
    $316.55
  • 5
    $312.22
See More

TE Connectivity Energy 413987-000 - Torch Kit: FH-2629 Torch Handle + Tip, 10 ft Hose, Adj Regul...

TE Connectivity Energy

Torch Kit: FH-2629 Torch Handle + Tip, 10 ft Hose, Adj Regulator w/Gauge

  • In Stock: 3

    Immediately

  • On Order: 5

    Ships 12/16/26


  • 1
    $686.79
  • 3
    $665.11
  • 5 +
    $663.44
See More
  • In Stock: 2

    Immediately


  • 2
    $40.96
  • 4
    $38.91
  • 8 +
    $36.96
See More

TE Connectivity / AMP Brand 576711 - General Hand Tool Used In The Aircraft And Military Industri...

TE Connectivity / AMP Brand

General Hand Tool Used In The Aircraft And Military Industries

  • In Stock: 1

    Immediately

  • On Order: 5

    Ships 9/30/26


  • 1
    $5,511.70
  • 2
    $5,457.13
  • 3
    $5,403.10
See More

TE Connectivity / AMP Brand 525442-3 - Wire/Slip Gauge, Handtool

TE Connectivity / AMP Brand

Wire/Slip Gauge, Handtool

  • In Stock: 1

    Immediately


  • 1
    $525.65
  • 3
    $524.33
  • 5
    $387.20
See More

Calmark Birtcher 42-7-LF-S - Wedge-Lok - Series 42 - Aluminum Alloy - Gold Chem Film - 3....

Calmark Birtcher

Wedge-Lok - Series 42 - Aluminum Alloy - Gold Chem Film - 3.5 Inch Length.

  • On Order: 500

    Ships 9/30/26


  • 1
    $32.48
  • 9
    $30.86
  • 18
    $23.14
See More

TE Connectivity / AMP Brand 1804014-1 - CCII MIC MK-II REC 20-14 ASSY

TE Connectivity / AMP Brand

CCII MIC MK-II REC 20-14 ASSY

  • On Order: 9

    Ships 10/19/26


  • 1
    $1,269.00
  • 3
    $1,251.00
  • 5 +
    $1,239.00
See More
  • 15 Weeks

  • 13
    $216.91
  • 25
    $119.43
  • 38
    $82.94
See More

Pomona Electronics 2530645 - Basic Industrial DMM Test Lead Kit

Pomona Electronics

Basic Industrial DMM Test Lead Kit

  • 2 Weeks

  • 1
    $105.81
  • 5
    $97.91
  • 10
    $95.07
See More

Pomona Electronics 2520983 - Micro SMD Grabber Test Clips, Holding Rod And Kit

Pomona Electronics

Micro SMD Grabber Test Clips, Holding Rod And Kit

  • 2 Weeks

  • 1
    $321.17
  • 3
    $312.25
  • 5
    $307.97
See More
  • 6 Weeks

  • 1
    $700.39
  • 3
    $681.20
  • 5 +
    $679.50
See More

TE Connectivity / AMP Brand 543494-2 - AMPLIMITE .050 Series Cable Plug Connectors Tool

TE Connectivity / AMP Brand

AMPLIMITE .050 Series Cable Plug Connectors Tool

  • 9 Weeks

  • 1
    $101.30
  • 5
    $97.38
  • 10
    $95.29
See More
  • 7 Weeks

  • 2
    $428.67
  • 4 +
    $420.10
See More

TE Connectivity / AMP Brand 525441-8 - Plug Gauge, Hand Tool

TE Connectivity / AMP Brand

Plug Gauge, Hand Tool

  • 9 Weeks

  • 2
    $702.00
  • 3
    $576.00
  • 4
    $513.00
See More
  • 35 Weeks

  • 1
    $122.87
  • 5
    $121.21
  • 10
    $120.41
See More
  • 10 Weeks

  • 5
    $13.79
  • 25
    $12.50
  • 50
    $11.94
See More

Molex / Waldom 1396PRT - Wire-to-Wire Power Connectors Kit

Molex / Waldom

Wire-to-Wire Power Connectors Kit

  • 8 Weeks

  • 33
    $2.04
  • 400
    $1.95
  • 700
    $1.88
See More
  • 55 Weeks

  • 25
    $232.88
  • 50
    $122.91
  • 75
    $84.53
See More
  • 6 Weeks

  • 1
    $700.39
  • 3
    $681.20
  • 5 +
    $679.50
See More

Join the circuit, keeping you connected to OnlineComponents.com and beyond!