McMaster-Carr logo
    Filter by
    System of Measurement
    Material
    Base Height
    Thread Pitch
    Industrial Info Snippet
    Attribute Image
    Overall Height
    Specifications Met
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    DFARS Specialty Metals
    Industrial Info Compare
    Fastener Head Type
    Mounting Hole Type
    Fastener Strength Grade/Class
    Industrial Info Snippet
    Hardness
    Head Height
    Head Length
    Head Width
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    13 Products

    T-Slot Nuts

    Slide into T-slot tracks on machine tool tables to secure clamps and workpieces. These nuts are often paired with setup studs for adjustable fixtures.
    Metric
    Image of Product. Front orientation. Contains Annotated. T-Slot Nuts.
    Black-Oxide Steel—Create a finished look with a dark, matte coating. These nuts offer minimal corrosion resistance, so they're best for dry environments.
    Fully Threaded—Fully threaded nuts allow a stud to extend beyond the bottom of the nut.
    Partially Threaded—Partially threaded nuts keep studs from traveling past the bottom of the nut and damaging your table.
    DIN 508—Nuts meet DIN dimensional and material requirements. Slide them into DIN 650 T-slots.
    Base,
    mm
    Fully Threaded
    Partially
    Threaded
    For Slot
    Wd., mm
    Thread
    Size
    Lg.
    Wd.
    Ht.
    Overall
    Ht., mm
    Specs.
    Met
    Each
    Each
    Black-Oxide Steel
    27M24 × 3 mm51411829000000000000000000000000000000
    28M24 × 3 mm44441836DIN 50800000000000000———0
    33M24 × 3 mm515124320000000000000000000000000000
     

    Drop-In T-Slot Nuts

    Image of Product. Front orientation. Contains Annotated. T-Slot Nuts. Drop-In T-Slot Nuts.
    Mount clamps and other fixtures to machine tool tables anywhere along the length of your T-slot track. These nuts install from the top and secure with a quarter turn, so you don’t have to slide them down the track’s length. They’re often paired with setup studs for adjustable fixtures. Also known as quarter-turn T-slot nuts.
    Metric
    Black-Oxide Steel—Create a finished look with a dark, matte coating. These nuts offer minimal corrosion resistance, so they're best for dry environments.
    Fully Threaded—Fully threaded nuts allow a stud to extend beyond the bottom of the nut.
    Base,
    mm
    Fully Threaded
    For Slot
    Wd., mm
    Thread
    Size
    Lg.
    Wd.
    Ht.
    Overall
    Ht., mm
    Each
    Black-Oxide Steel
    28M24 × 3 mm5427.71836000000000000000
     

    Extra-Long T-Slot Nuts

    With an extra-long base, these nuts carry heavier loads and grip T-slot tracks more securely than standard nuts. Use them to anchor clamps and workpieces to machine tool tables. They’re often paired with setup studs for adjustable fixtures.
    Metric
    Image of ProductInUse. T-Slot Nut and Extra-Long T-Slot Nut Shown Installed Within Cross-Slot. Front orientation. CrossSection view. Contains Annotated, Border. T-Slot Nuts. Extra-Long T-Slot Nuts.
    Image of Product. Front orientation. Contains Annotated. T-Slot Nuts. Extra-Long T-Slot Nuts.

    T-Slot Nut and Extra-Long

    T-Slot Nut Shown Installed

    Within Cross-Slot

    Fully Threaded—Fully threaded nuts allow a stud to extend beyond the bottom of the nut.
    DIN 508—Nuts meet DIN dimensional and material requirements. Slide them into DIN 650 T-slots.
    Base,
    mm
    Fully Threaded
    For Slot
    Wd., mm
    Thread Size
    Lg.
    Wd.
    Ht.
    Overall
    Ht., mm
    Specs.
    Met
    Each
    Steel
    28M24 × 2.5 mm88441836DIN 508000000000000000
     

    T-Slot Bolts

    For quicker setups than a separate T-slot nut and stud, slide these bolts into T-slot tracks on machine tool tables.
    Machined Neck
    Image of Product. Top orientation. Contains Annotated. T-Slot Bolts. Machined Neck.
    Flat surfaces on the neck fit securely in the T-slot so the bolt doesn't wobble.
    DIN 787—Bolts meet DIN dimensional and material requirements. Slide them into DIN 650 T-slots.
    Head,
    mm
    Partially
    Threaded
    Lg.,
    mm
    Thread
    Lg., mm
    Thread Size
    Lg.
    Wd.
    Ht.
    Min. Tensile
    Strength, psi
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Each
    Steel
     
    For 24 mm Wide Slots
    10070M24 × 3 mm404016110,000ISO Class 8.8
    DIN 787000000000000000
    160110M24 × 3 mm404016110,000ISO Class 8.8
    DIN 78700000000000000
    200125M24 × 3 mm404016110,000ISO Class 8.8
    DIN 78700000000000000
     
    For 28 mm Wide Slots
    10070M24 × 3 mm444418110,000ISO Class 8.8
    DIN 78700000000000000
    160110M24 × 3 mm444418110,000ISO Class 8.8
    DIN 78700000000000000
    200125M24 × 3 mm444418110,000ISO Class 8.8
    DIN 78700000000000000
     
    back to top