Agri Supply

Hex nuts are the most common fasteners for bolts, and Agri Supply has dozens of varieties, such as slotted castle nuts and square head nuts. We have finished hex head fasteners in fine and coarse threads to give you the perfect fit. Castle nuts and castellated nuts are the same thing, and we offer various fasteners under whatever name you know them by. Look to us for machine nuts because we have something for everyone.

Hex nuts constantly need to be replaced because they become lost or stripped. Keep plenty of hex head fasteners in you toolbox or workshop so you’re not wasting time looking for hex head nuts.

Products 1 - 12 of 52

HEX NUTS FINE SAE THREAD #27355 $1.88 Buy Now More Info

HEX NUTS FINE SAE THREAD #27355
$1.88 More Info
KEPS NUTS 10 - 24 (25 PER BAG) #13134 $1.18 Buy Now More Info

KEPS NUTS 10 - 24 (25 PER BAG) #13134
$1.18 More Info
3/4" FINISHED HEX NUT N.C. #13109 $1.79 Buy Now More Info

3/4" FINISHED HEX NUT N.C. #13109
$1.79 More Info
10-32 MACHINE NUTS #65092 $0.89 Buy Now More Info

10-32 MACHINE NUTS #65092
$0.89 More Info
FINISH HEX NUT 3/8" - 24 (FINE) #13115 $1.88 Buy Now More Info

FINISH HEX NUT 3/8" - 24 (FINE) #13115
$1.88 More Info
3/16 HEX NUT COURSE THREAD #28932 $1.79 Buy Now More Info

3/16 HEX NUT COURSE THREAD #28932
$1.79 More Info
HEX NUTS COARSE THREAD #27354 $1.79 Buy Now More Info

HEX NUTS COARSE THREAD #27354
$1.79 More Info
5/16" FINISHED HEX NUT N.C. #13104 $1.79 Buy Now More Info

5/16" FINISHED HEX NUT N.C. #13104
$1.79 More Info
Finished Hex Nut, 5/8" #68360 $0.25 Buy Now More Info

Finished Hex Nut, 5/8" #68360
$0.25 More Info
1-1/2-6 HEX NUTS-ZIN #65346 $1.99 Buy Now More Info

1-1/2-6 HEX NUTS-ZIN #65346
$1.99 More Info
Bolt with Nut, 1/2" x 3" #76004 $1.99 Buy Now More Info

Bolt with Nut, 1/2" x 3" #76004
$1.99 More Info
CLASS 8.8 METRIC HEX NUTS NC #46962 $2.51 Buy Now More Info

CLASS 8.8 METRIC HEX NUTS NC #46962
$2.51 More Info

Buy hex nuts by the pound, and the more you buy the less they cost.

Finished hex nuts come in dozens of sizes at Agri Supply so you can find exactly what you need. We have hex head fasteners in a range of styles such as square head nuts, galvanized hex nuts and machine nuts. Called castle nuts and castellated nuts, we have slotted castle nuts so you can securely fasten bolts in place. We have hex head nuts in assortments with dozens of pieces so you can have a full selection.

Finish hex nuts are some of the most commonly used fasteners in the world. We have hex head fasteners with fine and course threads and in different grades. If you need castle nuts, also called castellated nuts, or any other type of fasteners, we can help because we believe in customer satisfaction. Our selection of machine nuts is just a small part of the more than 26,000 items we carry for farm, shop, home and garden.