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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Socket Head Screws
More
Threaded Standoff Caps
Give open-ended standoffs a finished look and protect them from dirt and debris.
Stainless steel caps have excellent corrosion resistance, making them the best choice for harsh environments. They also have good chemical resistance.
Aluminum caps have good corrosion resistance, are lightweight, and are nonmagnetic.
Steel caps are stronger than aluminum.
For technical drawings and 3-D models, click on a part number.
Tamper-Resistant Threaded Standoff Caps
 |  Cap |
 Installation Tool |
Pin holes on the side of these caps let you insert an installation tool (sold separately) for increased leverage when tightening, making them difficult to remove. All caps are aluminum and have good corrosion resistance, are lightweight, and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Caps | ||||||||
|---|---|---|---|---|---|---|---|---|
Set Screw | Installation Tools | |||||||
| Thread Length | Material | Height | Material | For Mounting Hole Diameter | Each | Each | ||
For 1/4"-20 Standoff Thread Size | ||||||||
For 3/4" OD Standoff | ||||||||
| 7/8" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 00000 | 0000000 | 00000 |
| 1 5/16" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 1 13/16" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 3 1/16" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
For 1" OD Standoff | ||||||||
| 7/8" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 1 5/16" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 1 13/16" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 3 1/16" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
For 1 1/4" OD Standoff | ||||||||
| 7/8" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 00000 | 0000000 | 0000 |
| 1 5/16" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 1 13/16" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 3 1/16" | Steel | 5/16" | Aluminum | 3/8" | 0000000 | 00000 | 0000000 | 0000 |
For 5/16"-18 Standoff Thread Size | ||||||||
For 3/4" OD Standoff | ||||||||
| 1/2" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 5/8" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 3/4" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 7/8" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 1" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 1 1/4" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
For 1" OD Standoff | ||||||||
| 1/2" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 5/8" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 3/4" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 7/8" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 1" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 1 1/4" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
For 1 1/4" OD Standoff | ||||||||
| 1/2" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 5/8" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 3/4" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 7/8" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 1" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
| 1 1/4" | Stainless Steel | 5/16" | Aluminum | 3/8" | 0000000 | 0000 | 0000000 | 0000 |
Low-Profile Threaded Standoff Caps
A thin head means these caps sit nearly flush with your surface for a clean look. All caps are aluminum and have good corrosion resistance, are lightweight, and are nonmagnetic.
Installation tools (sold separately) make gripping and tightening easy.
For technical drawings and 3-D models, click on a part number.
Caps | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Set Screw | Installation Tools | ||||||||
| Thread Length | Material | Height | Material | For Minimum Panel Thickness | For Mounting Hole Diameter | Each | Each | ||
For 1/4"-20 Standoff Thread Size | |||||||||
For 1" OD Standoff | |||||||||
| 1/2" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 000000 | 0000000 | 00000 |
| 3/4" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 7/8" | Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1 1/4" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1 5/16" | Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1 1/2" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1 13/16" | Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 3 1/16" | Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
For 1 1/4" OD Standoff | |||||||||
| 1/2" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 3/4" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 7/8" | Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1 1/4" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1 5/16" | Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1 1/2" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1 13/16" | Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 3 1/16" | Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
For 5/16"-18 Standoff Thread Size | |||||||||
For 1" OD Standoff | |||||||||
| 1/2" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 5/8" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 3/4" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 7/8" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1 1/4" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
For 1 1/4" OD Standoff | |||||||||
| 1/2" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 5/8" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 3/4" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 7/8" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
| 1 1/4" | Stainless Steel | 1/8" | Aluminum | 1/4" | 9/16" | 0000000 | 00000 | 0000000 | 0000 |
18-8 Stainless Steel Socket Head Screws
Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head.Silver-plated stainless steel screws have mild lubricity so they thread smoothly.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch.
Screws that meet ASME B1.1, ASME B18.3, ISO 21269, and ISO 4762 (formerly DIN 912) comply with standards for dimensions. Screws that meet ASTM B456 and ASTM F837 comply with standards for materials.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
2-56 | ||||||||||
Silver-Plated 18-8 Stainless Steel | ||||||||||
| 1/8" | Fully Threaded | Coarse | 9/64" | 0.086" | 5/64" | 70,000 | ASME B18.3, ASTM F837 | 5 | 000000000 | 00000 |