Hexagon Socket Head Shoulder Screws(Inch thread)
Hexagon socket head shoulder screws manufactured to ASME B18.3- 2002 and are made of good quality alloy steel which is sturdy and wear-resistance. They are widely used in furniture. The rust preventative black zinc finishes ensure their good performance in dry, indoor conditions, which also give them a slightly glossy appearance. There are a variety of sizes available.
Surface Treatment:
- Item：Hex Socket Head Shoulder Screw, Alloy Steel Hex Socket head Shoulder Screw, Stainless Steel Hex Socket Head Shoulder Screw, Shoulder Bolt
- According To：ASME B18.3- 2002
- Material：Alloy Steel SCM435
- Hardness：HRC 32~43
- Surface Treatment : Black Oxide, Black phosphate plated, Bright Zinc plated, CR3+ plated, Black Zinc plated, Nickel plated,chrome plating ,GEOMAT, Nylon or ND patch
- Screw Threads ：ANSI B1.1 UNC
- Class of Thread：ANSI B1.1 Class 3A
- Quality Control : Salt Spray test, hardness test, tensile load test,PPAP report available
- Packing : Bulk packing, small box packing, customized packing
Unit：inch
| Nominal Size of Basic Shoulder Diameter | D | A | H | D1 | E | T | J | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Shoulder Diameter | Head Diameter | Head Height | Nominal Thread Size of Basic Thread Diameter | Threads Per Inch | Thread Length | Key Engage-ment | Hexagon Socket Size | ||||
| Max. | Min. | Max. | Min. | Max. | Min. | Basic | Min. | Nominal | |||
| 1/4 | 0.2480 | 0.2460 | 0.375 | 0.357 | 0.188 | 0.177 | 10 0.1900 | 24 | 0.375 | 0.094 | 1/8 0.125 |
| 5/16 | 0.3105 | 0.3085 | 0.438 | 0.419 | 0.219 | 0.209 | 1/4 0.2500; | 20 | 0.438 | 0.117 | 5/32 0.156 |
| 3/8 | 0.3730 | 0.3710 | 0.562 | 0.543 | 0.250 | 0.240 | 5/16 0.3125 | 18 | 0.500 | 0.141 | 3/16 0.188 |
| 1/2 | 0.4980 | 0.4960 | 0.750 | 0.729 | 0.312 | 0.302 | 3/8 0.3750 | 16 | 0.625 | 0.188 | 1/4 0.250 |
| 5/8 | 0.6230 | 0.6210 | 0.875 | 0.853 | 0.375 | 0.365 | 1/2 0.5000 | 13 | 0.750 | 0.234 | 5/16 0.312 |
| 3/4 | 0.7480 | 0.7460 | 1.000 | 0.977 | 0.500 | 0.490 | 5/8 0.6250 | 11 | 0.875 | 0.281 | 3/8 0.375 |
| 1 | 0.9980 | 0.9960 | 1.312 | 1.287 | 0.625 | 0.610 | 3/4 0.7500 | 10 | 1.000 | 0.375 | 1/2 0.500 |