Description du produit

1/4-20 UNC Stainless Steel 304 Hex Bolts

Notre 1/4-20 UNC Stainless Steel 304 Hex Bolts are durable inch-size fasteners designed for reliable fastening in machinery, equipment, construction, furniture, automotive repair, outdoor projects, and general industrial applications.

Fabriqué à partir de haute qualité 304 acier inoxydable, these hex bolts offer good corrosion resistance, clean appearance, and long-lasting performance. The 1/4-20 UNC coarse thread design provides easy installation and strong thread engagement. Each bolt features a standard hex head, allowing convenient tightening with a wrench, spanner, or socket tool.

These bolts are available in multiple lengths from 3/8 inch to 5 inches and can be supplied with matching hex nuts, flat washers, and spring washers for complete assembly use.

Principales fonctionnalités

Matériau en acier inoxydable 304 for good corrosion resistance and durability.
1/4-20 UNC thread: 1/4 inch diameter with 20 threads per inch.
Fully threaded design pour un engagement maximal du filetage.
Hex head style for easy installation with standard tools.
Right-hand thread direction for standard fastening applications.
Coarse thread spacing for quick installation and general-purpose use.
Multiple lengths available from 3/8″ to 5″.
Pack of 100 pieces, suitable for repair, assembly, and bulk use.
Optional matching nuts and washers available for complete fastening sets.

Spécifications du produit

Article	Descriptif
Nom du produit	1/4-20 UNC Stainless Steel Hex Bolt
Matériel	Acier inoxydable 304
Taille	1/4-20
Norme de filetage	UNC
Type de filetage	Fil grossier
Sens du filetage	Main droite
Enfilage	Entièrement fileté
Style de tête	Tête hexagonale
Système de mesure	Inch
Available Lengths	3/8″ to 5″
Forfait	Pack of 100
Pièces assorties	Hex Nuts, Flat Washers, Spring Washers

What Does 1/4-20 UNC Mean?

Marquage	Signification
1/4	Bolt diameter is 1/4 inch
20	20 threads per inch, also called 20 TPI
UNC	Unified National Coarse Thread
Main droite	Standard thread direction, tightened clockwise
Discussion complète	Thread runs along the full shank length

1/4-20 UNC is one of the most common inch thread sizes used in American standard fasteners. It is widely used in machinery, equipment, metalwork, woodwork, repair, and general assembly.

Available Length Options

Diamètre	Type de filetage	Available Lengths
1/4-20	Fil grossier UNC	3/8″
1/4-20	Fil grossier UNC	1/2″
1/4-20	Fil grossier UNC	3/4″
1/4-20	Fil grossier UNC	7/8″
1/4-20	Fil grossier UNC	1″
1/4-20	Fil grossier UNC	1-1/4″
1/4-20	Fil grossier UNC	1-3/8″
1/4-20	Fil grossier UNC	1-1/2″
1/4-20	Fil grossier UNC	1-5/8″
1/4-20	Fil grossier UNC	1-3/4″
1/4-20	Fil grossier UNC	2″
1/4-20	Fil grossier UNC	2-1/4″
1/4-20	Fil grossier UNC	Up to 5″

Matching Fastener Options

These stainless steel hex bolts can be supplied as individual bolts or as a complete fastening kit.

Matching Part	Fonction
Écrou hexagonal	Locks with the bolt to complete fastening
Rondelle plate	Répartit la charge et protège la surface
Rondelle à ressort	Aide à améliorer les performances anti-desserrage
Bolt + Nut + Washer Set	Convenient for assembly and maintenance

Using matching 304 stainless steel nuts and washers is recommended when corrosion resistance and consistent material performance are required.

Material Advantages: Stainless Steel 304

304 stainless steel is one of the most widely used stainless steel materials for fasteners. It provides a good balance of corrosion resistance, strength, appearance, and cost performance.

Matériel	Caractéristique	Utilisation recommandée
Acier inoxydable 304	Good corrosion resistance and clean finish	Indoor, outdoor, machinery, furniture, general equipment
Acier inoxydable 316	Meilleure résistance à la corrosion dans les environnements difficiles	Marine, coastal, chemical, high-humidity applications
Acier au carbone	Higher strength options available, lower cost	Dry indoor use, coated industrial fasteners

For general outdoor and indoor fastening, 304 stainless steel 1/4-20 UNC hex bolts sont un choix pratique et fiable.

Applications courantes

Domaine d'application	Utilisation typique
Assemblage de machines	Equipment fastening and maintenance
Réparation automobile	Brackets, panels, and replacement parts
Construction	Light structural fastening and installation
Assemblage de meubles	Metal and wood connections
Projets de bricolage	Home repair and custom projects
Équipement électrique	Mounting panels, boxes, and frames
Utilisation en extérieur	General corrosion-resistant fastening
Maintenance Industrielle	Replacement screws, bolts, and hardware kits

Avantages du produit

Ces 1/4-20 UNC Stainless Steel 304 Hex Bolts are designed for users who need reliable, corrosion-resistant inch fasteners. The fully threaded body provides strong holding power, while the hex head allows secure tightening with common hand tools.

Le pack of 100 is convenient for workshops, repair departments, contractors, factories, and distributors. Multiple length options allow customers to choose the correct bolt for different assembly thicknesses and fastening requirements.

Notes d'installation

Avant de commander, veuillez confirmer les détails suivants :

Informations requises	Exemple
Taille du fil	1/4-20 UNC
Longueur	3/8″, 1/2″, 1″, 2″, 5″
Matériel	Acier inoxydable 304
Quantité	Pack of 100 or bulk order
Accessoires assortis	Écrous, rondelles plates, rondelles élastiques
Demande	Machinery, furniture, automotive, outdoor project

Please make sure the bolt is used with a matching 1/4-20 UNC nut or threaded hole. Metric nuts or other thread types will not fit correctly.

FAQ

Q1: What does 1/4-20 mean?

1/4-20 means the bolt diameter is 1/4 inch, and the thread has 20 fils par inch.

Q2: What does UNC mean?

UNC means Unified National Coarse Thread. It is a common American inch coarse thread standard.

Q3: Are these bolts metric or inch size?

Ce sont inch-size bolts, not metric bolts.

Q4: What material are these bolts made from?

Ils sont fabriqués à partir de 304 acier inoxydable, qui offre une bonne résistance à la corrosion et une bonne durabilité.

Q5 : Ces boulons sont-ils entièrement filetés ?

Yes. These bolts are entièrement fileté, which means the thread runs along the full shank length.

Q6: What thread direction do these bolts have?

They are right-hand thread bolts, which means they tighten clockwise and loosen counterclockwise.

Q7: What lengths are available?

Available lengths range from 3/8 inch to 5 inches, including common sizes such as 1/2″, 3/4″, 1″, 1-1/2″, 2″, and 2-1/4″.

Q8: Does the package include nuts and washers?

The product can be supplied as bolts only or with matching nuts, flat washers, and spring washers selon les exigences du client.

Q9: Can these bolts be used outdoors?

Yes. 304 stainless steel has good corrosion resistance and is suitable for many indoor and outdoor environments. For marine or highly corrosive environments, 316 stainless steel may be recommended.

Q10: Can I use metric nuts with these bolts?

No. These bolts require matching 1/4-20 UNC nuts. Metric nuts are not compatible.

Bref résumé du produit

1/4-20 UNC Stainless Steel 304 Hex Bolts are fully threaded inch-size hex head fasteners made from corrosion-resistant 304 stainless steel. Available in lengths from 3/8″ to 5″, these bolts are suitable for machinery, automotive repair, furniture assembly, construction, outdoor projects, and industrial maintenance. Matching nuts, flat washers, and spring washers are available for complete fastening solutions.