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Accurate Screw Machine

781S - 4-48 UNF2A Steel Countersunk Round Head Captive Screw / Assembly

Configurable Countersunk Round head Slotted Steel captive screws with 4-48 UNF2A threads.

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Unit System
Specs (in standard)
Label Value
Assembly Configurable
Brand Accurate Screw
Display Name 781S
Drive Type Slotted
End Type Standard
Finish None
Head Diameter 0.25 in
Head Height 0.25 in
Length L 0.226 in
Material Steel
Max L 3 in
SKU 781S
Screw Head Type Knurled
Shaft Diameter 0.078 in
Shaft Length - Threaded 0.125 in
Slot Depth 0.0781 in
Slot Width 0.0469 in
Thread Size 4-40
Specs (in metric)
Label Value
Assembly Configurable
Brand Accurate Screw
Display Name 781S
Drive Type Slotted
End Type Standard
Finish None
Head Diameter 6.35 mm
Head Height 6.35 mm
Length L 5.74 mm
Material Steel
Max L 76.2 mm
SKU 781S
Screw Head Type Knurled
Shaft Diameter 1.98 mm
Shaft Length - Threaded 3.18 mm
Slot Depth 1.98 mm
Slot Width 1.19 mm
Thread Size 4-40
Introducing the 781S Captive Screws, the perfect solution for secure fastening in various industrial applications. Made from high-quality steel, these screws are built to last and provide reliable performance in challenging environments.

These captive screws are designed without any finish, showcasing the raw strength of the steel material. The steel construction ensures corrosion resistance and durability, making them ideal for applications where strength and longevity are paramount.

The 781S Captive Screws feature a unique design that allows for easy installation and removal while preventing loss or misplacement. The captive feature ensures that the screws remain attached to the panel or component even when unscrewed, making maintenance and assembly hassle-free.

With their sleek and industrial look, these steel captive screws blend seamlessly into various machinery, equipment, and enclosures. Their versatility makes them suitable for a wide range of industries, including electronics, aerospace, automotive, and more.

Whether you need secure fastening in a high-vibration environment or a tamper-resistant solution, the 781S Captive Screws deliver robust performance and peace of mind. Trust these steel captive screws for your critical applications where reliability and security are non-negotiable.

Upgrade your fastening solutions with the 781S Captive Screws and experience the durability, reliability, and convenience they bring to your projects. Elevate your engineering designs with these premium steel captive screws that are built to withstand the toughest conditions.

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