Square Head Set Screws
TUZ’s Square Head Set Screws are precision-engineered fasteners designed to secure one component against another by exerting pressure on a surface. Crafted from C1022 low-carbon steel or 304 stainless steel, these screws provide robust performance and meet ANSI/ASME B18.6.2-1998 standards. They combine durability and style, ideal for both architectural hardware reinforcement and decorative applications.
Surface Treatment:
TUZ Square Head Set Screws combine reliable performance, durability, and aesthetic appeal, making them ideal for a wide range of applications. Below are the key features that set these screws apart:
Key Features
Reliable Fastening Performance
Fully threaded for strong holding power, ensuring secure attachment and resistance to loosening. The square head design provides a firm grip and prevents the tool from slipping during adjustments, making installation easier and more reliable.
Exceptional Durability
Constructed from C1022 low-carbon steel for strength and machinability or 304 stainless steel for superior corrosion resistance in demanding environments. The various surface treatments, such as black oxide, zinc plating, nickel plating, and GEOMET coating, enhance the screw’s resistance to wear and corrosion.
Enhanced Aesthetic Appeal
The sleek square head and available surface finishes offer a polished or rustic look, making these screws perfect for decorative applications in industrial or rustic-style projects.
Flexible Size and Packing Options
Available in diameters from 1/4” to 3/4”, these set screws offer a wide range of sizes to fit different mechanical and architectural applications. For added convenience, the screws are offered with bulk packing or customized packing options to suit your project’s specific needs.
Applications
Mechanical Assemblies
Securing pulleys, collars, or gears on rotating shafts prevents slippage and ensures smooth operation.
Architectural Hardware Reinforcement
Ideal for reinforcing doors, windows, frames, and other architectural elements in both residential and commercial construction projects.
Decorative Fastenings
Used in industrial or rustic-style projects to achieve both functional fastening and aesthetic appeal.
TUZ’s Square Head Set Screws deliver reliable performance, durability, and style for a wide range of applications. Contact us today to learn more or place your bulk order!
SPECIFICATIONS
- Product Names: Square Head Set Screw, Alloy Steel Square Head Set Screw
- Standards Compliance: ANSI / ASME B18.6.2-1998
- Material Options: C1022 Low Carbon Steel, 304 Stainless Steel
- Surface Treatments: Black Oxide, Black Phosphate Plating, Bright Zinc Plating, CR3+ Plating, Black Zinc Plating, Nickel Plating, Chrome Plating, GEOMET Coating, Nylon or ND Patch
- Quality Control: Salt Spray Test, Hardness Test, Tensile Load Test, and PPAP Report available upon request
- Packing: Bulk, Small Box, Customized Options
Unit：inch
| Nominal Size or Basic Screw Diameter | F | G | H | K | S | U | W | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Width Across Flats | Width Across Coners | Head Height | Neck Reliet Diameter | Neck Reliet Fillet Radius | Neck Reliet Width | Head Radius | |||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Min. | Min. | Min. | |
| ＃10 0.1900 | 0.188 | 0.180 | 0.265 | 0.247 | 0.148 | 0.134 | 0.145 | 0.140 | 0.027 | 0.083 | 0.48 |
| 1/4 0.2500 | 0.250 | 0.241 | 0.354 | 0.331 | 0.196 | 0.178 | 0.185 | 0.170 | 0.032 | 0.100 | 0.62 |
| 5/16 0.3125 | 0.312 | 0.302 | 0.442 | 0.415 | 0.245 | 0.224 | 0.240 | 0.225 | 0.036 | 0.111 | 0.78 |
| 3/8 0.3750 | 0.375 | 0.362 | 0.530 | 0.497 | 0.293 | 0.270 | 0.294 | 0.279 | 0.041 | 0.125 | 0.94 |
| 7/16 0.4375 | 0.438 | 0.423 | 0.619 | 0.581 | 0.341 | 0.315 | 0.345 | 0.330 | 0.046 | 0.143 | 1.09 |
| 1/2 0.5000 | 0.500 | 0.484 | 0.707 | 0.665 | 0.389 | 0.361 | 0.400 | 0.385 | 0.050 | 0.154 | 1.25 |
| 9/16 0.5625 | 0.562 | 0.545 | 0.795 | 0.748 | 0.437 | 0.407 | 0.454 | 0.439 | 0.054 | 0.167 | 1.41 |
| 5/8 0.6250 | 0.625 | 0.606 | 0.884 | 0.833 | 0.485 | 0.452 | 0.507 | 0.492 | 0.059 | 0.182 | 1.56 |
| 3/4 0.7500 | 0.750 | 0.729 | 1.060 | 1.001 | 0.582 | 0.544 | 0.620 | 0.605 | 0.065 | 0.200 | 1.88 |
| 7/8 0.8750 | 0.875 | 0.852 | 1.237 | 1.170 | 0.678 | 0.635 | 0.731 | 0.716 | 0.072 | 0.222 | 2.19 |
| 1 1.0000 | 1.000 | 0.974 | 1.414 | 1.337 | 0.774 | 0.726 | 0.838 | 0.823 | 0.081 | 0.250 | 2.50 |
- According To：ANSI / ASME B18.6.2-1998
- Material：Low Carbon Steel
Unit：inch
| Nominal Size of Basic Screw Diameter | C | P | Q | Q1 | R | Y | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Cup and Flat Point Diameters | Dog and Half Dog Point Diameters | Point Length | Oval Point Radius +0.0031 +0.0000 | Cone Point Angle90°±2° for These Nominal Lengths or Longer118°±2° for Shorter Screws | ||||||
| Dog | Half Dog | |||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||
| #10 0.1900 | 0.102 | 0.088 | 0.127 | 0.120 | 0.095 | 0.085 | 0.050 | 0.040 | 0.142 | 1/4 |
| 1/4 0.2500 | 0.132 | 0.118 | 0.156 | 0.149 | 0.130 | 0.120 | 0.068 | 0.058 | 0.188 | 5/16 |
| 5/16 0.3125 | 0.172 | 0.156 | 0.203 | 0.195 | 0.161 | 0.151 | 0.083 | 0.073 | 0.234 | 3/8 |
| 3/8 0.3750 | 0.212 | 0.194 | 0.250 | 0.241 | 0.193 | 0.183 | 0.099 | 0.089 | 0.281 | 7/16 |
| 7/16 0.4375 | 0.252 | 0.232 | 0.297 | 0.287 | 0.224 | 0.214 | 0.114 | 0.104 | 0.328 | 1/2 |
| 1/2 0.5000 | 0.291 | 0.270 | 0.344 | 0.334 | 0.255 | 0.245 | 0.130 | 0.120 | 0.375 | 916 |
| 9/16 0.5625 | 0.332 | 0.309 | 0.391 | 0.379 | 0.287 | 0.275 | 0.146 | 0.134 | 0.422 | 5/8 |
| 5/8 0.6250 | 0.371 | 0.347 | 0.469 | 0.456 | 0.321 | 0305 | 0.164 | 0.148 | 0.469 | 3/4 |
| 3/4 0.7500 | 0.450 | 0.425 | 0.562 | 0.549 | 0.383 | 0.367 | 0.196 | 0.180 | 0.562 | 7/8 |
| 7/8 0.8750 | 0.530 | 0.502 | 0.656 | 0.642 | 0.446 | 0.430 | 0.227 | 0.211 | 0.656 | 1 |
| 1 1.0000 | 0.609 | 0.579 | 0.750 | 0.734 | 0.510 | 0.490 | 0.260 | 0.240 | 0.750 | 1-1/8 |