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    38 Products

    Cap Nuts

    Conceal and protect protruding screw threads while fastening parts together. These nuts help prevent damage to surrounding materials and reduce injuries. Also known as acorn nuts, they have a smooth, rounded head that creates a finished look.
    Plastic
    Image of Product. Front orientation. Cap Nuts. Cap Nuts.
    Nylon 6/6—Slippery and abrasion resistant, these nuts thread on smoothly and stand up to daily wear and tear. Nylon will swell and weaken when exposed to moisture, so it's best for dry environments.
    Thread Size
    Wd.
    Ht.
    Temp. Range,
    ° F
    Choose a Color
    Pkg.
    Qty.
    Pkg.
    Nylon 6/6
    4-40
    		1/4"9/32"-40 to 185
    Black
    ,
    Off-White
    		100000000000000000
    6-32
    		19/64"11/32"-40 to 185
    Black
    ,
    Off-White
    		10000000000000000
    8-32
    		21/64"3/8"-40 to 185
    Black
    ,
    Off-White
    		10000000000000000
    10-24
    		23/64"13/32"-40 to 185
    Black
    ,
    Off-White
    		10000000000000000
    10-32
    		23/64"13/32"-40 to 185
    Black
    ,
    Off-White
    		10000000000000000
    1/4"-20
    		27/64"15/32"-40 to 185
    Black
    ,
    Off-White
    		10000000000000000
    1/4"-28
    		27/64"15/32"-40 to 185
    Black
    ,
    Off-White
    		10000000000000000
    5/16"-18
    		1/2"17/32"-40 to 185
    Black
    ,
    Off-White
    		5000000000000000
    5/16"-24
    		1/2"17/32"-40 to 185
    Black
    ,
    Off-White
    		5000000000000000
    3/8"-16
    		9/16"5/8"-40 to 185
    Black
    ,
    Off-White
    		2500000000000000
    3/8"-24
    		9/16"5/8"-40 to 185
    Black
    ,
    Off-White
    		2500000000000000
    7/16"-14
    		3/4"13/16"-40 to 185
    Black
    ,
    Off-White
    		100000000000000
    1/2"-13
    		3/4"13/16"-40 to 185
    Black
    ,
    Off-White
    		2500000000000000
    1/2"-20
    		3/4"13/16"-40 to 185
    Black
    ,
    Off-White
    		100000000000000
    5/8"-11
    		15/16"31/32"-40 to 185
    Black
    ,
    Off-White
    		2000000000000000
    M4 × 0.7 mm7 mm8 mm-40 to 185
    Black
    ,
    Off-White
    		10000000000000000
    M5 × 0.8 mm8 mm10 mm-40 to 185
    Black
    ,
    Off-White
    		10000000000000000
    M6 × 1 mm10 mm12 mm-40 to 185
    Black
    ,
    Off-White
    		10000000000000000
    M8 × 1.25 mm13 mm15 mm-40 to 185
    Black
    ,
    Off-White
    		5000000000000000
    M10 × 1.5 mm17 mm18 mm-40 to 185
    Black
    ,
    Off-White
    		2500000000000000
    M12 × 1.75 mm19 mm20.5 mm-40 to 185
    Black
    ,
    Off-White
    		2500000000000000
     

    Caps for Hex Nuts

    Image of ProductInUse. Cap Installed on Hex Nut. Front orientation. CrossSection view. Protective Caps. Caps for Hex Nuts.

    Cap Installed on Hex

    Nut

    Image of Product. Front orientation. Protective Caps. Caps for Hex Nuts.
    Seal out moisture and dirt to prevent corrosion and buildup on threads. These caps snap onto hex nuts for a tight fit.
    Polyethylene—These tough caps are hard and wear resistant to hold up against scrapes and gouges.
    For Nut
    Wd.
    Inside
    Ht.
    Flexibility
    Max. Temp.,
    ° F
    Color
    Pkg.
    Qty.
    Pkg.
    Polyethylene
    7/16"29/64"Rigid170Black10000000000000
    1/2"17/32"Rigid170Black1000000000000
    35/64"1/2"Rigid170Black1000000000000
    43/64"25/32"Rigid170Black1000000000000
    3/4"27/32"Rigid170Black10000000000000
    7/8"15/16"Rigid170Black500000000000
    15/16"1"Rigid170Black5000000000000
    1 1/16"1"Rigid170Black500000000000
    1 1/4"1 13/32"Rigid170Black5000000000000
    1 13/32"1 7/16"Rigid170Black5000000000000
    1 5/8"1 23/32"Rigid170Black100000000000
    1 13/16"2"Rigid170Black100000000000
    1 31/32"2 3/32"Rigid170Black1000000000000
    2 3/16"2 19/64"Rigid170Black1000000000000
    2 3/8"2 5/16"Rigid170Black1000000000000
    2 9/16"2 19/64"Rigid170Black1000000000000
    2 3/4"2 29/64"Rigid170Black1000000000000
     
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