McMaster-Carr logo
    Filter by
    Flexibility
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    DFARS Specialty Metals
    Maximum Grit
    Industrial Info Snippet
    Minimum Grit
    Industrial Info Snippet
    File Thickness
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    36 Products

    Electrical Contact Files

    Clean contacts on electrical components such as spark plugs, switches, relays, and ignition points.
    Files with Tungsten-Coated Teeth
    Image of Product. Front orientation. Electrical Contact Files. Electrical Contact Files, Files with Tungsten-Coated Teeth.
    Image of Specification. Front orientation. ZoomedIn view. Double-Cut Face. Electrical Contact Files.

    Double-Cut Face

    Files with tungsten-coated teeth are best for hard materials commonly found on ignition points and high-amperage electrical contacts, such as tungsten and iridium. They are double cut—two sets of diagonal teeth remove material rapidly.
    Fine Grit
    Lg.
    Wd.
    Thk.
    Face Tooth
    Style
    Edge Tooth
    Style
    For Use On
    Material
    Each
    5 1/4"5/16"0.044"Double CutNoneTitanium, Hardened Steel, Tool Steel, Nickel, Ceramic, Stone, Glass, Carbide, Carbon Fiber, GraphiteSteel00000000000
    Files with Diamond Abrasive Grit
    Image of Product. Front orientation. Electrical Contact Files. Electrical Contact Files, Files with Diamond Abrasive Grit.
    Files with diamond abrasive grit clean contacts with a minimal amount of pressure. The sharpest and hardest abrasive we offer, diamond smooths any material. It’s especially good for delicate tasks where you need to remove very little material at a time.
    Medium Grit
    (120-150 Grit)
    Extra-Fine Grit
    (240-320 Grit)
    Abrasive
    Lg.
    Lg.
    Wd.
    Thk.
    For Use On
    Material
    Each
    Each
    3/4"4 9/16"3/16"0.015"Titanium, Hardened Steel, Tool Steel, Nickel, Ceramic, Stone, Glass, Carbide, Carbon Fiber, GraphiteSteel0000000000000000000000000000

    Flexible Electrical Contact Files

    Image of ProductInUse. Front orientation. Electrical Contact Files. Flexible Electrical Contact Files.
    Image of Product. Front orientation. Electrical Contact Files. Flexible Electrical Contact Files.
    Bend and twist these files to clean contacts in hard-to-reach spots. Use on electrical components such as spark plugs, switches, relays, and ignition points.
    Each
    Package
    Lg.
    Wd.
    Thk.
    Abrasive
    Material
    Each
    Pkg.
    Qty.
    Pkg.
    Medium Grit (80 Grit)
    4 3/4"3/8"0.04"Aluminum Oxide000000000000120000000000000
    4 3/4"1/2"0.04"Aluminum Oxide0000000000012000000000000
     
    Medium Grit (120 Grit)
    4 3/4"3/8"0.025"Aluminum Oxide0000000000012000000000000
    4 3/4"1/2"0.04"Aluminum Oxide0000000000012000000000000
    4 3/4"7/8"0.03"Aluminum Oxide0000000000012000000000000
     
    Fine Grit (180 Grit)
    4 3/4"3/8"0.04"Aluminum Oxide0000000000012000000000000
    4 3/4"1/2"0.025"Aluminum Oxide0000000000012000000000000
    4 3/4"1/2"0.04"Aluminum Oxide0000000000012000000000000
    4 3/4"7/8"0.03"Aluminum Oxide0000000000012000000000000
     
    Extra-Fine Grit (240 Grit)
    4 3/4"3/8"0.025"Aluminum Oxide0000000000012000000000000
    4 3/4"3/8"0.04"Aluminum Oxide0000000000012000000000000
     
    Extra-Fine Grit (320 Grit)
    4 3/4"3/8"0.015"Aluminum Oxide0000000000012000000000000
    4 3/4"3/8"0.025"Aluminum Oxide0000000000012000000000000
    4 3/4"3/8"0.04"Aluminum Oxide0000000000012000000000000
     

    Pocket-Size Electrical Contact Files

    Image of Product. Front orientation. Electrical Contact Files. Pocket-Size Electrical Contact Files.
    A pen-shaped holder stores six files. Use to clean contacts on electrical components such as spark plugs, switches, relays, and ignition points.
    Rods are used for cleaning pits on contacts.
    Files
    Replacement
    Files
    Replacement Rods
    File
    Handle
    Fine Grit
    (220 Grit)
    Abrasive
    Material
    No. of
    Files
    Lg.
    Wd.
    Thk.
    Lg.
    Material
    Includes
    Each
    Each
    Each
    Steel61 1/2"3/16"0.004"4 1/2"PlasticSix 1 1/4" Length × 0.02" Diameter Rods0000000000000———0000000000000
    Steel61 1/2"3/16"0.007"4 1/2"Plastic—000000000000000000000000———0

    Thin-Face Electrical Contact Files

    Image of Product. Front orientation. Electrical Contact Files. Thin-Face Electrical Contact Files.
    The spatula-like end lets you access contacts in tight spaces. Use on electrical components such as spark plugs, switches, relays, and ignition points. The diamond abrasive cleans the contacts with a minimal amount of pressure while removing very little metal.
    Fine Grit
    (150 Grit)
    Abrasive
    Material
    Diamond
    Surface Lg.
    Lg.
    Wd.
    Thk.
    Overall
    Lg.
    Handle
    Material
    Each
    Diamond0.875"7/8"1/4"1/16"5 5/8"Plastic00000000000000
    back to top