Additional information
| Material | |
|---|---|
| Head Type | |
| Thread Type | |
| Recess Type | |
| Plating/Finish | |
| RoHS/REACH Compliance |
Upholstery Screw, Steel
This is a steel flat head 82° screw with sheet metal threads, Phillips recess and zinc plating. The screw head is colored with a thermosetting coating and has a captive nylon washer molded in a matching color.
Please see the data sheet for more information and size options.
Description
This is a steel flat head 82° screw with sheet metal threads, Phillips recess and zinc plating. The screw head is colored with a thermosetting coating and has a captive nylon washer molded in a matching color.
Please see detailed specifications for more information and size options.
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Detailed Specifications
FEATURES:
1. The one piece screw and captive washer simplifies handling, installation and removal of attachment hardware.
2. Attachment hardware, color-matched with the mounting surface eliminates distraction by blending with the background.
3. Screw heads are formed by cold forging, followed by a case hardening and heat treating process which increases the basic tensile strength of the material. The resultant high tensile strength thus eliminates burring and yield of the substrate under the coating material.
4. The thermosetting coating material used in combination with the relatively hard screw heads is resistant to abrasion and screwdriver damage. This feature virtually eliminates the need for touch-up painting after assembly.
5. The nylon washer provides a resilient cushion to protect the finished surface of panels and equipment.
6. A self-locking feature to prevent vibration from loosening the screw is achieved by the compression effect of the nylon washer between the screw head and the mounting surface.
7. A seal for moisture, low pressure gases and vapors can be affected between the screw head and the mounting surface by the compression of the nylon washer.
8. Type ‘AB’ thread style offers a fine pitch thread with a sharp gimlet point which aides entry of the screw where hole misalignment could cause problems.
NOTES:
1. The screws listed in this series reflect high quality with emphasis on the forming of the Phillips recess to meet design specification.
2. Care should be exercised to assure that the screwdriver tools meet the same quality and design specification in order to eliminate mismating and subsequent damage to the drive recess and coating material.
3. These screw assemblies are capable of forming mating threads in steel plate with a maximum Rockwell hardness of B70-85 without thread shearing or breakage.
4. These screw assemblies are primarily intended for application in light sheet metal, plywood, certain plastics or material similar in composition where frequent removal is not necessary. They are not recommended for installation into brittle materials.
5. The thread diameters and lengths listed in the table are industry standard sizes. Inventory levels of these sizes may vary at any one time due to customer demands and lead time necessary for production. Lengths not listed are also available on order.
SPECIFICATIONS:
1. Screws are in accordance with ANSI/ASME Standard No. B18.6.4, Recessed Head Tapping Screws, Type AB.
2. Screws are stocked zinc plated per ASTM B633, Class SC1, Type II.
3. Washer color is achieved by molding with pigmented nylon per ASTM D4066.
4. Screw head coating and washer colors are matched to customer requirements. We recommend selection from FED-STD-595 whenever possible but we are also prepared to match customer-furnished color chips or samples.
