Hexagon socket head cap screws(Inch thread)
TUZ hexagon socket head cap screws, also known as Allen bolts, provide robust and reliable fastening for applications requiring compact, high-torque solutions. Made from durable alloy or stainless steel, these hex socket head screws feature precision threading for secure fastening across materials. Ideal for confined spaces, they ensure a dependable grip and long-lasting performance in demanding environments.
Built for strength and precision, TUZ socket head Allen bolts are engineered for industrial reliability.
Key Features
Precision Torque Application
The hexagonal head of the screw provides a secure fit for the Allen key, ensuring accurate and efficient torque transfer. This prevents damage to the screw head and results in a stronger, more reliable fastening.
Flexible Threading Options
Available in both fully and partially threaded styles to match application requirements for a secure grip and optimal load distribution. Choose UNC (coarse) threading for fast, easy installation in softer materials or UNF (fine) threading for a tighter, more secure hold in harder materials.
High Durability & Corrosion Resistance
Crafted from SCM435 alloy steel or 304 stainless steel, each screw offers high strength and a hardness rating of HRC 39-45, making it ideal for demanding applications. Protective finishes, including black oxide, bright zinc plating, and nickel plating, enhance durability and resist rust and corrosion across various environments.
Standards Compliance & Quality Assurance
Manufactured to meet ASME B18.3-2002 standards, ensuring precise dimensions and mechanical properties. Comprehensive testing, including salt spray, hardness, and tensile load tests, along with PPAP reports, guarantees performance and provides certification upon request.
Convenient Sizing & Packaging
Available in sizes from #2 to 3/4" (up to 4" in length) and offered in bulk, small boxes, or custom packaging to meet diverse customer needs.
Applications
TUZ hex socket head screws are widely used for their strength, precision, and compact head profile. Their reliable grip makes them suitable across many fields, particularly where high-torque and space-efficient fastening is needed.
Industrial Machinery
Provides secure, high-torque fastening for heavy-duty equipment.
Automotive Assemblies
Ideal for high-performance vehicles requiring robust, compact fasteners.
Electronics and Appliances
Used in the secure assembly of household electronics and appliances.
Bicycles
Supports secure, durable fastening in bicycle assembly for enhanced safety.
Construction Tools
Ensures tool components are tightly fastened for high durability.
Choose TUZ socket head Allen bolts for reliable, compact, and cost-effective fastening. Contact us for more details or to place an order!
SPECIFICATIONS
- Product Names: Hex Socket Head Cap Screws, Allen Bolts, Alloy Steel, Stainless Steel Hex Socket Head Cap Screws
- Standard Compliance: ASME B18.3-2002
- Material Options: Alloy Steel SCM435, Stainless Steel 304
- Hardness: HRC 39–45
- Surface Treatments: Black Oxide, Black Phosphate, Zinc Plating (Bright/CR3+/Black), Nickel, Chrome, GEOMET, Nylon/ND Patch
- Thread: ANSI B1.1 (UNC, UNF), Class 3A (#6–1"), Class 2A (>1")
- Quality Control: Salt Spray Test, Hardness Test, Tensile Load Test, PPAP Report available upon request
- Packing: Bulk, Small Box, Customized Options
Unit:inch
Nominal Size or Basic Screw Diameter | D | A | H | J | T | F | LT | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
Body Diameter | Head Diameter | Head Height | Hexagon Socket Size | Key Engagement | Fillet Transition Diameter | Thread Length Basic. | |||||
Max. | Min. | Max. | Min. | Max. | Min. | Nom. | Min. | Max. | Min. | ||
#6 0.1380 | 0.1380 | 0.1329 | 0.226 | 0.218 | 0.138 | 0.134 | 7/64 0.109 | 0.064 | 0.158 | 0.144 | 0.75 |
#8 0.1640 | 0.1640 | 0.1585 | 0.270 | 0.262 | 0.164 | 0.159 | 9/64 0.141 | 0.077 | 0.188 | 0.172 | 0.88 |
#10 0.1900 | 0.1900 | 0.1840 | 0.312 | 0.303 | 0.190 | 0.185 | 5/32 0.156 | 0.090 | 0.218 | 0.202 | 0.88 |
1/4 0.2500 | 0.2500 | 0.2435 | 0.375 | 0.365 | 0.250 | 0.244 | 3/16 0.188 | 0.120 | 0.278 | 0.261 | 1.00 |
5/16 0.3125 | 0.3125 | 0.3053 | 0.469 | 0.457 | 0.312 | 0.306 | 1/4 0.250 | 0.151 | 0.347 | 0.329 | 1.12 |
3/8 0.3750 | 0.3750 | 0.3678 | 0.562 | 0.550 | 0.375 | 0.368 | 5/16 0.312 | 0.182 | 0.415 | 0.397 | 1.25 |
7/16 0.4375 | 0.4375 | 0.4294 | 0.656 | 0.642 | 0.438 | 0.430 | 3/8 0.375 | 0.213 | 0.484 | 0.465 | 1.38 |
1/2 0.5000 | 0.5000 | 0.4919 | 0.75 | 0.735 | 0.500 | 0.492 | 3/8 0.375 | 0.245 | 0.552 | 0.531 | 1.50 |
5/8 0.6250 | 0.6250 | 0.6163 | 0.938 | 0.921 | 0.625 | 0.616 | 1/2 0.500 | 0.307 | 0.689 | 0.664 | 1.75 |
3/4 0.7500 | 0.7500 | 0.7406 | 1.125 | 1.107 | 0.750 | 0.740 | 5/8 0.625 | 0.370 | 0.828 | 0.800 | 2.00 |
7/8 0.8750 | 0.8750 | 0.8647 | 1.312 | 1.293 | 0.875 | 0.864 | 3/4 0.750 | 0.432 | 0.963 | 0.932 | 2.25 |
1 1.0000 | 1.0000 | 0.9886 | 1.500 | 1.479 | 1.000 | 0.988 | 3/4 0.750 | 0.495 | 1.100 | 1.068 | 2.50 |