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    6 Products
    About Hex Nuts
    industrial info icon

    Choose a hex nut with the right profile, material, and strength for your application.

    Thin-Profile Hex Nuts

    Image of Product. Front orientation. Hex Nuts. Thin-Profile Hex Nuts.
    About half the height of standard-profile nuts, these fit in spaces with low clearance. You can also use them as jam nuts by threading them against another hex nut to hold it in place.
    Material Certificate Icon
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    Low-Strength Steel
    Rated Grade 2, Class 6, or lower, these nuts are about half as strong as medium-strength nuts. They are suitable for light duty fastening applications, such as securing access panels. Use them with screws that have a similar strength rating to avoid stripping threads during installation.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Certificate Type
    Pkg.
    Qty.
    Pkg.
    Steel
    2 1/2"-4
    		3 3/4"1 13/32"SAE Grade 2
    		Material Certificate
    		190496A068000000
     

    Thin-Heavy-Profile Hex Nuts

    Image of Product. Front orientation. Hex Nuts. Thin-Heavy-Profile Hex Nuts.
    About half the height of standard-profile hex nuts and 10% wider, these fit in spaces with low clearance and handle heavier loads by distributing them over a larger area. You can also use them as jam nuts by threading them against another hex nut to hold it in place.
    Low-Strength Steel
    Rated Grade 2, Class 6, or lower, these nuts are about half as strong as medium-strength nuts. They are suitable for light duty fastening applications, such as securing access panels. Use them with screws that have a similar strength rating to avoid stripping threads during installation.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Pkg.
    Qty.
    Pkg.
    Steel
    2 1/2"-4
    		3 7/8"1 29/64"SAE Grade 2
    		190502A049000000
     

    Acme Lead Screws and Nuts

    Image of ProductInUse. Front orientation. Contains Inset. Lead Screws and Nuts. Acme Lead Screws and Nuts.
    Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects. To ensure compatibility, please select components that have the same thread direction, thread size, and number of thread starts.
    Hex Nuts—Right-Hand Thread
    Image of Product. Front orientation. Lead Screws and Nuts. Acme Lead Screws and Nuts, Hex Nuts—Right-Hand Thread.
    Hex nuts fasten and position lead screw components.
    Carbon Steel—Carbon steel components are easier to machine than alloy steel components.
    Zinc-Plated Carbon Steel—Zinc-plated carbon steel components have mild corrosion resistance and are easier to machine than alloy steel components.
    360 Brass—360 brass components have excellent machinability and good corrosion resistance.
    18-8 Stainless Steel—18-8 stainless steel components have good corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Thread
    Size
    Thread
    Type
    Ht.
    Wd.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Hardness
    Tensile
    Strength
    Specs.
    Met
    Each
    Carbon Steel
    2 1/2"-4
    		Acme
    		2 1/2"3 1/2"11:10.25"Acme Class 2G
    		Rockwell B75Not Rated—94815A1150000000
     
    Zinc-Plated Carbon Steel
    2 1/2"-4
    		Acme
    		2 1/2"3 1/2"11:10.25"Acme Class 2G
    		Rockwell B75Not Rated—98948A133000000
     
    360 Brass
    2 1/2"-4
    		Acme
    		2 1/2"3 1/2"11:10.25"Acme Class 2G
    		Rockwell B75Not RatedASTM B1695155A179000000
     
    18-8 Stainless Steel
    2 1/2"-4
    		Acme
    		2 1/2"3 1/2"11:10.25"Acme Class 2G
    		Rockwell B97Not Rated—95066A195000000
     
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