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0581-S - 4-40 Steel Knurled Low Profile w/ Collar Head Captive Screw / Assembly

Configurable Knurled Low Profile w/ Collar head Slotted Steel captive screws with 4-40 threads.

Unit System
Specs (in standard)
Label Value
Assembly Configurable
Brand RAF
Display Name 0581-S
Drive Type Slotted
End Type Lead Point
Finish None
Head Diameter 0.3125 in
Head Height 0.125 in
Length L 0.75 in
Material Steel
SKU 0581-S
Screw Head Type Knurled Low Profile w/ Collar
Shaft Diameter 0.078 in
Shaft Length 0.4375 in
Shaft Length - Threaded 0.1875 in
Slot Depth 0.0625 in
Slot Width 0.0469 in
Thread Size 4-40
Specs (in metric)
Label Value
Assembly Configurable
Brand RAF
Display Name 0581-S
Drive Type Slotted
End Type Lead Point
Finish None
Head Diameter 7.94 mm
Head Height 3.18 mm
Length L 19.05 mm
Material Steel
SKU 0581-S
Screw Head Type Knurled Low Profile w/ Collar
Shaft Diameter 1.98 mm
Shaft Length 11.11 mm
Shaft Length - Threaded 4.76 mm
Slot Depth 1.59 mm
Slot Width 1.19 mm
Thread Size 4-40
Introducing the 0581-S Captive Screws, the perfect solution for secure and efficient fastening in a wide range of applications. These high-quality screws are designed to provide reliability and convenience while ensuring a secure hold in place.

Constructed from durable steel, these captive screws are built to withstand tough conditions and resist wear and tear, making them ideal for industrial environments where reliability is paramount. The steel material ensures longevity and strength, giving you peace of mind that your fastening needs are met with a sturdy and dependable solution.

The sleek design of the 0581-S Captive Screws, with its smooth finish, adds a professional touch to any project or application. The absence of any coating provides a clean and minimalist look that blends seamlessly with various equipment and machinery where aesthetics matter just as much as functionality.

These captive screws are a versatile addition to your toolkit, suitable for a variety of uses such as securing access panels, doors, and other components that require frequent opening and closing. Their captive design ensures that the screws remain attached even when unscrewed, preventing loss and saving time during maintenance or repair tasks.

Whether you're in the manufacturing, electronics, or automotive industry, the 0581-S Captive Screws are the reliable choice for your fastening needs. Trust in the durability, strength, and convenience of these steel screws to make your projects more secure and efficient. Elevate your engineering solutions with the 0581-S Captive Screws – the dependable choice for professionals who value quality and performance.