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Machine Screw

Machine screws are designed for attaching parts and components using pre-threaded, tapped holes or for nuts. These specialty screws connect one component to another. They are often used for electronic, mechanical and industrial applications. A large variety of sizes, designs and thread types are available for meeting the demands of virtually any project.

Items 1-36 of 217

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Top products

  1. Machine Screw 8-32 x 3/8 Round Head Zinc
    Machine Screw 8-32 x 3/8 Round Head Zinc
    CFT-Approved Machine Screw 8-32 x 3/8 Round Head Zinc
    CF Product Code: MSPZR832006R
    CAD $0.07
    / Each
    In stock
    CFT-Approved Machine Screw 8-32 x 3/8 Round Head Zinc
    CF Product Code: MSPZR832006R
    CAD $0.07
    / Each
    In stock
  2. Machine Screw 8-32 x 1/2 Round Head Zinc
    Machine Screw 8-32 x 1/2 Round Head Zinc
    CFT-Approved Machine Screw 8-32 x 1/2 Round Head Zinc
    CF Product Code: MSPZR832008R
    CAD $0.07
    / Each
    In stock
    CFT-Approved Machine Screw 8-32 x 1/2 Round Head Zinc
    CF Product Code: MSPZR832008R
    CAD $0.07
    / Each
    In stock
  3. Machine Screw 8-32 x 3/4 Round Head Zinc
    Machine Screw 8-32 x 3/4 Round Head Zinc
    CFT-Approved Machine Screw 8-32 x 3/4 Round Head Zinc
    CF Product Code: MSPZR832012R
    CAD $0.12
    / Each
    In stock
    CFT-Approved Machine Screw 8-32 x 3/4 Round Head Zinc
    CF Product Code: MSPZR832012R
    CAD $0.12
    / Each
    In stock
  4. Machine Screw 10-24 x 1/2 Round Head Stainless Steel
    Machine Screw 10-24 x 1/2 Round Head Stainless Steel
    CFT-Approved Machine Screw 10-24 x 1/2 Round Head Stainless Steel
    CF Product Code: MSS1024008RR
    CAD $0.26
    / Each
    In stock
    CFT-Approved Machine Screw 10-24 x 1/2 Round Head Stainless Steel
    CF Product Code: MSS1024008RR
    CAD $0.26
    / Each
    In stock
  5. Machine Screw 6-32 x 1 Round Head Zinc
    Machine Screw 6-32 x 1 Round Head Zinc
    CFT-Approved Machine Screw 6-32 x 1 Round Head Zinc
    CF Product Code: MSPZR632016R
    CAD $0.08
    / Each
    In stock
    CFT-Approved Machine Screw 6-32 x 1 Round Head Zinc
    CF Product Code: MSPZR632016R
    CAD $0.08
    / Each
    In stock
  6. Machine Screw 10-24 x 3/4 Flat Head Stainless Steel
    Machine Screw 10-24 x 3/4 Flat Head Stainless Steel
    CFT-Approved Machine Screw 10-24 x 3/4 Flat Head Stainless Steel
    CF Product Code: MSS1024012FP
    CAD $0.24
    / Each
    In stock
    CFT-Approved Machine Screw 10-24 x 3/4 Flat Head Stainless Steel
    CF Product Code: MSS1024012FP
    CAD $0.24
    / Each
    In stock
  7. Machine Screw 8-32 x 2 Round Head Zinc
    Machine Screw 8-32 x 2 Round Head Zinc
    CFT-Approved Machine Screw 8-32 x 2 Round Head Zinc
    CF Product Code: MSPZR832032R
    CAD $0.19
    / Each
    In stock
    CFT-Approved Machine Screw 8-32 x 2 Round Head Zinc
    CF Product Code: MSPZR832032R
    CAD $0.19
    / Each
    In stock
  8. Machine Screw 8-32 x 1 Round Head Zinc
    Machine Screw 8-32 x 1 Round Head Zinc
    CFT-Approved Machine Screw 8-32 x 1 Round Head Zinc
    CF Product Code: MSPZR832016R
    CAD $0.10
    / Each
    In stock
    CFT-Approved Machine Screw 8-32 x 1 Round Head Zinc
    CF Product Code: MSPZR832016R
    CAD $0.10
    / Each
    In stock
  9. Machine Screw 6-32 x 2 Round Head Zinc
    Machine Screw 6-32 x 2 Round Head Zinc
    CFT-Approved Machine Screw 6-32 x 2 Round Head Zinc
    CF Product Code: MSPZR632032R
    CAD $0.15
    / Each
    In stock
    CFT-Approved Machine Screw 6-32 x 2 Round Head Zinc
    CF Product Code: MSPZR632032R
    CAD $0.15
    / Each
    In stock
  10. Machine Screw 6-32 x 1/2 Round Head Stainless Steel
    Machine Screw 6-32 x 1/2 Round Head Stainless Steel
    CFT-Approved Machine Screw 6-32 x 1/2 Round Head Stainless Steel
    CF Product Code: MSS632008RR
    CAD $0.13
    / Each
    In stock
    CFT-Approved Machine Screw 6-32 x 1/2 Round Head Stainless Steel
    CF Product Code: MSS632008RR
    CAD $0.13
    / Each
    In stock
  11. Machine Screw 6-32 x 3/8 Round Head Zinc
    Machine Screw 6-32 x 3/8 Round Head Zinc
    CFT-Approved Machine Screw 6-32 x 3/8 Round Head Zinc
    CF Product Code: MSPZR632006R
    CAD $0.07
    / Each
    In stock
    CFT-Approved Machine Screw 6-32 x 3/8 Round Head Zinc
    CF Product Code: MSPZR632006R
    CAD $0.07
    / Each
    In stock
  12. Machine Screw 10-32 x 1/2 Round Head Zinc
    Machine Screw 10-32 x 1/2 Round Head Zinc
    CFT-Approved Machine Screw 10-32 x 1/2 Round Head Zinc
    CF Product Code: MSPZR1032008R
    CAD $0.12
    / Each
    In stock
    CFT-Approved Machine Screw 10-32 x 1/2 Round Head Zinc
    CF Product Code: MSPZR1032008R
    CAD $0.12
    / Each
    In stock
  13. Machine Screw 8-32 x 1/2 Round Head Stainless Steel
    Machine Screw 8-32 x 1/2 Round Head Stainless Steel
    CFT-Approved Machine Screw 8-32 x 1/2 Round Head Stainless Steel
    CF Product Code: MSS832008RS
    CAD $0.23
    / Each
    In stock
    CFT-Approved Machine Screw 8-32 x 1/2 Round Head Stainless Steel
    CF Product Code: MSS832008RS
    CAD $0.23
    / Each
    In stock
  14. Machine Screw 6-32 x 1/2 Round Head Zinc
    Machine Screw 6-32 x 1/2 Round Head Zinc
    CFT-Approved Machine Screw 6-32 x 1/2 Round Head Zinc
    CF Product Code: MSPZR632008R
    CAD $0.07
    / Each
    In stock
    CFT-Approved Machine Screw 6-32 x 1/2 Round Head Zinc
    CF Product Code: MSPZR632008R
    CAD $0.07
    / Each
    In stock
  15. Machine Screw 10-32 x 1 Round Head Zinc
    Machine Screw 10-32 x 1 Round Head Zinc
    CFT-Approved Machine Screw 10-32 x 1 Round Head Zinc
    CF Product Code: MSPZR1032016R
    CAD $0.15
    / Each
    In stock
    CFT-Approved Machine Screw 10-32 x 1 Round Head Zinc
    CF Product Code: MSPZR1032016R
    CAD $0.15
    / Each
    In stock
  16. Machine Screw 10-32 x 3/4 Round Head Zinc
    Machine Screw 10-32 x 3/4 Round Head Zinc
    CFT-Approved Machine Screw 10-32 x 3/4 Round Head Zinc
    CF Product Code: MSPZR1032012R
    CAD $0.15
    / Each
    In stock
    CFT-Approved Machine Screw 10-32 x 3/4 Round Head Zinc
    CF Product Code: MSPZR1032012R
    CAD $0.15
    / Each
    In stock
  17. Machine Screw 10-32 x 1/4 Round Head Zinc
    Machine Screw 10-32 x 1/4 Round Head Zinc
    CFT-Approved Machine Screw 10-32 x 1/4 Round Head Zinc
    CF Product Code: MSPZR1032004R
    CAD $0.07
    / Each
    In stock
    CFT-Approved Machine Screw 10-32 x 1/4 Round Head Zinc
    CF Product Code: MSPZR1032004R
    CAD $0.07
    / Each
    In stock
  18. Machine Screw 10-24 x 1/2 Round Head Zinc
    Machine Screw 10-24 x 1/2 Round Head Zinc
    CFT-Approved Machine Screw 10-24 x 1/2 Round Head Zinc
    CF Product Code: MSPZR1024008R
    CAD $0.12
    / Each
    In stock
    CFT-Approved Machine Screw 10-24 x 1/2 Round Head Zinc
    CF Product Code: MSPZR1024008R
    CAD $0.12
    / Each
    In stock
  19. Machine Screw 10-32 x 1/2 Flat Head Zinc
    Machine Screw 10-32 x 1/2 Flat Head Zinc
    CFT-Approved Machine Screw 10-32 x 1/2 Flat Head Zinc
    CF Product Code: MSPZF1032008R
    CAD $0.12
    / Each
    In stock
    CFT-Approved Machine Screw 10-32 x 1/2 Flat Head Zinc
    CF Product Code: MSPZF1032008R
    CAD $0.12
    / Each
    In stock
  20. Machine Screw 14-20 x 5/8 Truss Head Zinc
    Machine Screw 14-20 x 5/8 Truss Head Zinc
    CFT-Approved Machine Screw 14-20 x 5/8 Truss Head Zinc
    CF Product Code: MSPZT1420012R
    CAD $0.09
    / Each
    In stock
    CFT-Approved Machine Screw 14-20 x 5/8 Truss Head Zinc
    CF Product Code: MSPZT1420012R
    CAD $0.09
    / Each
    In stock
  21. Machine Screw 8-32 x 1 1/2 Round Head Zinc
    Machine Screw 8-32 x 1 1/2 Round Head Zinc
    CFT-Approved Machine Screw 8-32 x 1 1/2 Round Head Zinc
    CF Product Code: MSPZR832024R
    CAD $0.15
    / Each
    In stock
    CFT-Approved Machine Screw 8-32 x 1 1/2 Round Head Zinc
    CF Product Code: MSPZR832024R
    CAD $0.15
    / Each
    In stock
  22. Machine Screw 6-32 x 1 1/2 Round Head Zinc
    Machine Screw 6-32 x 1 1/2 Round Head Zinc
    CFT-Approved Machine Screw 6-32 x 1 1/2 Round Head Zinc
    CF Product Code: MSPZR632024R
    CAD $0.12
    / Each
    In stock
    CFT-Approved Machine Screw 6-32 x 1 1/2 Round Head Zinc
    CF Product Code: MSPZR632024R
    CAD $0.12
    / Each
    In stock
  23. Machine Screw 6-32 x 2 1/2 Round Head Zinc
    Machine Screw 6-32 x 2 1/2 Round Head Zinc
    CFT-Approved Machine Screw 6-32 x 2 1/2 Round Head Zinc
    CF Product Code: MSPZR632040R
    CAD $0.19
    / Each
    In stock
    CFT-Approved Machine Screw 6-32 x 2 1/2 Round Head Zinc
    CF Product Code: MSPZR632040R
    CAD $0.19
    / Each
    In stock
  24. Machine Screw 14-20 x 2 Round Head Zinc
    Machine Screw 14-20 x 2 Round Head Zinc
    CFT-Approved Machine Screw 14-20 x 2 Round Head Zinc
    CF Product Code: MSPZR1420032R
    CAD $0.37
    / Each
    In stock
    CFT-Approved Machine Screw 14-20 x 2 Round Head Zinc
    CF Product Code: MSPZR1420032R
    CAD $0.37
    / Each
    In stock
  25. Machine Screw 12-24 x 1 Round Head Zinc
    Machine Screw 12-24 x 1 Round Head Zinc
    CFT-Approved Machine Screw 12-24 x 1 Round Head Zinc
    CF Product Code: MSPZR1224016R
    CAD $0.16
    / Each
    In stock
    CFT-Approved Machine Screw 12-24 x 1 Round Head Zinc
    CF Product Code: MSPZR1224016R
    CAD $0.16
    / Each
    In stock
  26. Machine Screw 10-32 x 2 1/2 Round Head Zinc
    Machine Screw 10-32 x 2 1/2 Round Head Zinc
    CFT-Approved Machine Screw 10-32 x 2 1/2 Round Head Zinc
    CF Product Code: MSPZR1032040R
    CAD $0.23
    / Each
    In stock
    CFT-Approved Machine Screw 10-32 x 2 1/2 Round Head Zinc
    CF Product Code: MSPZR1032040R
    CAD $0.23
    / Each
    In stock
  27. Machine Screw 10-32 x 3/8 Round Head Zinc
    Machine Screw 10-32 x 3/8 Round Head Zinc
    CFT-Approved Machine Screw 10-32 x 3/8 Round Head Zinc
    CF Product Code: MSPZR1032006R
    CAD $0.08
    / Each
    In stock
    CFT-Approved Machine Screw 10-32 x 3/8 Round Head Zinc
    CF Product Code: MSPZR1032006R
    CAD $0.08
    / Each
    In stock
  28. Machine Screw 10-24 x 3 Round Head Zinc
    Machine Screw 10-24 x 3 Round Head Zinc
    CFT-Approved Machine Screw 10-24 x 3 Round Head Zinc
    CF Product Code: MSPZR1024048R
    CAD $0.30
    / Each
    In stock
    CFT-Approved Machine Screw 10-24 x 3 Round Head Zinc
    CF Product Code: MSPZR1024048R
    CAD $0.30
    / Each
    In stock
  29. Machine Screw 10-24 x 1 Round Head Zinc
    Machine Screw 10-24 x 1 Round Head Zinc
    CFT-Approved Machine Screw 10-24 x 1 Round Head Zinc
    CF Product Code: MSPZR1024016R
    CAD $0.15
    / Each
    In stock
    CFT-Approved Machine Screw 10-24 x 1 Round Head Zinc
    CF Product Code: MSPZR1024016R
    CAD $0.15
    / Each
    In stock
  30. Machine Screw 10-24 x 3/4 Round Head Zinc
    Machine Screw 10-24 x 3/4 Round Head Zinc
    CFT-Approved Machine Screw 10-24 x 3/4 Round Head Zinc
    CF Product Code: MSPZR1024012R
    CAD $0.12
    / Each
    In stock
    CFT-Approved Machine Screw 10-24 x 3/4 Round Head Zinc
    CF Product Code: MSPZR1024012R
    CAD $0.12
    / Each
    In stock
  31. Machine Screw 8-32 x 1 Flat Head Zinc
    Machine Screw 8-32 x 1 Flat Head Zinc
    CFT-Approved Machine Screw 8-32 x 1 Flat Head Zinc
    CF Product Code: MSPZF832016R
    CAD $0.12
    / Each
    In stock
    CFT-Approved Machine Screw 8-32 x 1 Flat Head Zinc
    CF Product Code: MSPZF832016R
    CAD $0.12
    / Each
    In stock
  32. Machine Screw 8-32 x 3/4 Flat Head Zinc
    Machine Screw 8-32 x 3/4 Flat Head Zinc
    CFT-Approved Machine Screw 8-32 x 3/4 Flat Head Zinc
    CF Product Code: MSPZF832012R
    CAD $0.11
    / Each
    In stock
    CFT-Approved Machine Screw 8-32 x 3/4 Flat Head Zinc
    CF Product Code: MSPZF832012R
    CAD $0.11
    / Each
    In stock
  33. Machine Screw 6-32 x 1 Flat Head Zinc
    Machine Screw 6-32 x 1 Flat Head Zinc
    CFT-Approved Machine Screw 6-32 x 1 Flat Head Zinc
    CF Product Code: MSPZF632016R
    CAD $0.08
    / Each
    In stock
    CFT-Approved Machine Screw 6-32 x 1 Flat Head Zinc
    CF Product Code: MSPZF632016R
    CAD $0.08
    / Each
    In stock
  34. Machine Screw 6-32 x 1/2 Flat Head Zinc
    Machine Screw 6-32 x 1/2 Flat Head Zinc
    CFT-Approved Machine Screw 6-32 x 1/2 Flat Head Zinc
    CF Product Code: MSPZF632008R
    CAD $0.07
    / Each
    In stock
    CFT-Approved Machine Screw 6-32 x 1/2 Flat Head Zinc
    CF Product Code: MSPZF632008R
    CAD $0.07
    / Each
    In stock
  35. Machine Screw 10-24 x 1/2 Flat Head Zinc
    Machine Screw 10-24 x 1/2 Flat Head Zinc
    CFT-Approved Machine Screw 10-24 x 1/2 Flat Head Zinc
    CF Product Code: MSPZF1024008R
    CAD $0.07
    / Each
    In stock
    CFT-Approved Machine Screw 10-24 x 1/2 Flat Head Zinc
    CF Product Code: MSPZF1024008R
    CAD $0.07
    / Each
    In stock
  36. Machine Screw 14-20 x 3/4 Truss Head Stainless Steel
    Machine Screw 14-20 x 3/4 Truss Head Stainless Steel
    CFT-Approved Machine Screw 14-20 x 3/4 Truss Head Stainless Steel
    CF Product Code: MSS1420012TP
    CAD $0.59
    / Each
    In stock
    CFT-Approved Machine Screw 14-20 x 3/4 Truss Head Stainless Steel
    CF Product Code: MSS1420012TP
    CAD $0.59
    / Each
    In stock

Items 1-36 of 217

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Machine Screws for Sale

Machine screws have uniform threading throughout the shank, from tip to head. Machine screws are available with Robertson heads and Phillips tipped as well as with coarse or fine threading. Coarse threaded screws (typically around 24 threads per inch) are resistant to cross-threading and galling. Finer threaded screws, nearer to 32 threads per inch, have higher tensile strength and better screw hold in vibrating environments, like an engine compartment.

Machine Screw Sizes

Machine screws match the threading and diameter of a pre-existing, pre-threaded hole. To read screw sizes, look to the product description. For example, a 14-20 x 2" has a diameter of 14, 20 threads per inch and an overall length of two inches. Diameters are in fractions of an inch. 14 has a thread width of 1/4" and sizes decrease from there. M-screws are metric, measured in millimetres.

Our Inventory

Machine screws are available with different head styles to match your project requirements. Machine screw head types include truss, flat, round, pan and hex head screws. Head style can impact fit and visual appeal. Screws in an array of sizes come in durable stainless steel or with zinc plating. Zinc plating offers increased resistance to corrosion and high visibility — an excellent choice for electronic and engine compartments.

Metric screws range from 0.4mm to 0.6mm in diameter with lengths up to 40mm. Most of our stainless and zinc machine screws measure from 4-40 up to 14-20 with a 3/8" option available.

Machine Screw Applications and Uses

Machine screws are typically smaller than wood and construction screws. They fasten components together using small washers, nuts or threaded inserts. Machine screws are popular fasteners for projects where components must achieve a firm, exact fit. They are often used for constructing appliances, computer systems, engine compartments, personal electronics and more.

Shop Machine Screws and More Online

Construction Fasteners and Tools is home to a large selection of machine screws with sizes to fit your needs. We will assist you in finding machine screws with the correct length, drive type and thread count to match your inserts. We carry an enormous selection of different fasteners for residential, commercial and industrial use. Browse our full inventory of fasteners today.

We have the bulk buying power to deliver a massive selection of quality tools and hardware at affordable prices. Orders over $99 may qualify for free shipping. For help choosing the right products or to speak to an expert, give us a call at 1-866-238-8880.