20 Pcs #4-40 x 1/4" Flat Head Socket Cap Machine Screws,Grade 10.9 Alloy Steel Countersunk Bolts,Fully Threaded Allen Hex Drive, Black Oxide Finish
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- [Industrial Grade Strength]: Forged from high-strength 10.9 grade alloy steel, these machine screws are quenched & tempered to offer superior tensile strength, far exceeding standard stainless steel. This ensures rock-solid stability in high-stress applications like automotive repair, machinery, 3D printers, and custom DIY projects, preventing fastener failure and deformation.
- [Precision Flush Finish]: The standard flat head allows the screw to sit perfectly flush with the material's surface, creating a smooth, professional, and snag-free finish. The fully threaded design provides maximum engagement and uniform clamping force along its entire length, guaranteeing a secure and lasting connection for your most critical joints.
- [High-Torque, Easy Drive]: Featuring a deep and precisely formed 1/16" hex socket (Allen key size), these screws allow for high-torque application with minimal risk of cam-out or stripping. This secure grip makes them easy to drive, even in tight spaces, protecting both the fastener head and your tools during assembly and disassembly.
- [Professional Look & Protection]: The sleek black oxide coating provides a non-reflective, professional matte appearance. This finish offers mild corrosion and abrasion resistance, making it ideal for dry, indoor applications where aesthetics and durability are key. Each screw is lightly oiled to ensure it arrives protected and ready for use.
- [Multi-Project Value Pack]: This package includes 20 premium #4-40 x 1/4" screws, providing an excellent value for multiple projects. They are an essential component for any toolbox, perfect for industrial equipment, electronics, furniture assembly, and woodworking. We stand behind our product quality to ensure your complete satisfaction.
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Select a product to estimate shipping.Need reliable and durable machine screws for your next project? ZOWZEA’s 20 Pcs #4-40 Socket Head Screws offer a robust solution for a wide range of applications. These screws are built to last and provide a secure, professional finish.
Key Highlights
- High Strength Alloy Steel: Crafted from Grade 10.9 alloy steel, providing exceptional tensile strength for demanding tasks.
- Flush Head Design: The flat head design ensures a smooth, flush surface, ideal for a clean and professional look.
- Easy Hex Drive: Features a 1/16" hex socket for effortless tightening with an Allen wrench.
- Black Oxide Finish: Offers corrosion resistance and a durable, matte black appearance.
- Fully Threaded: Provides maximum engagement and consistent clamping force for secure connections.
Useful Facts
- Material: Alloy Steel
- Thread Size: #4-40
- Finish: Black Oxide
- Manufacturer Grade: Grade 10.9
- Head Style: Flat Head
- Diameter: 0.08 inches
Good Fit For
- Automotive Repair
- DIY Projects
- 3D Printer Assembly
- Machinery Maintenance
- General Industrial Applications
Product details
| Main Specification | |
|---|---|
| Fabricant | ZOWZEA |
| Numéro d'unité | 20 Chef |
| Finition extérieure | Oxyde noir |
| Style de tête | Plat |
| Classe du fabricant | Grade 10.9 |
| Couverture des fils | Entièrement filetés |
| Marque | ZOWZEA |
| Type de tête | Plat |
| Nombre d'articles | 20 |
| Type de fixation | Socket Cap Screw |
| Diamètre de l'article | 0.08 Inches |
| Nombre de pièces | 20 |
| Taille de la fixation | #4-40 x 1/4" |
| Taille du fil | #4-40 |
| Matériau | Acier allié |
| Couleur | Noir |
| Type de fil | Unc |
| Système d'entraînement | Hex externe |
| Poids de l'article | 9.07 g |
| Product information | |
| Définir le nom | ZOWZEA 20 Pcs #4-40 x 1/4" Flat Head Socket Cap Machine Screws |
| Technical Details | |
| Numéro de pièce | B2025061401 |
| Modèle | 20ZW-4-40-1-4 |
| Type de matériau | Acier allié |
| Style de filetage | Main droite |
| Point Dureté | Niveau 10,9 |
| Style | |
| Types de finition | Maté |
| Others | |
| Type de produit | Vis tête de socket |
| Classement | Class 10.9 |
| Nom du calibre | #4x1/4 |
| Style de tête vissée | Plat |
| Style de pointe de vis | Point plat |