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Accurate Screw Machine

718S - 4-40 UNC2A Steel Knurled Low Profile Head Captive Screw / Assembly

Configurable Knurled Low Profile head Slotted Steel captive screws with 4-40 UNC2A threads.

Download CAD
Unit System
Specs (in standard)
Label Value
Assembly Configurable
Brand Accurate Screw
Chamfer Length 0.0156 in
Display Name 718S
Drive Type Slotted
End Type Lead Point
Finish None
Head Diameter 0.5625 in
Head Height 0.25 in
Knurl Pitch 40 deg
Length L 0.321 in
Material Stainless Steel
Max L 3 in
SKU 718S
Screw Head Type Knurled Low Profile
Shaft Diameter 0.235 in
Shaft Length - Threaded 0.375 in
Slot Depth 0.0938 in
Slot Width 0.0625 in
Thread Size 5/16-18
Specs (in metric)
Label Value
Assembly Configurable
Brand Accurate Screw
Chamfer Length 0.4 mm
Display Name 718S
Drive Type Slotted
End Type Lead Point
Finish None
Head Diameter 14.29 mm
Head Height 6.35 mm
Knurl Pitch 40 deg
Length L 8.15 mm
Material Stainless Steel
Max L 76.2 mm
SKU 718S
Screw Head Type Knurled Low Profile
Shaft Diameter 5.97 mm
Shaft Length - Threaded 9.53 mm
Slot Depth 2.38 mm
Slot Width 1.59 mm
Thread Size 5/16-18
Introducing the 718S Captive Screws, the ultimate solution for secure and convenient fastening in your projects. Made from high-quality steel, these screws are designed to provide durability and reliability in various applications. The sleek finish enhances the overall look of the screws while also adding a layer of protection against corrosion and wear.

The 718S Captive Screws are the perfect choice for situations where fastening needs to be secure yet easily removable for maintenance or repairs. The captive design ensures that the screws remain attached to the component even when loosened, preventing loss or misplacement. This feature is especially useful in industries where components are frequently accessed or serviced.

These steel screws offer a strong grip and excellent fastening performance, making them suitable for a wide range of industrial and consumer projects. Whether you are working on machinery, electronics, or furniture assembly, the 718S Captive Screws provide a reliable solution for all your fastening needs.

With their high-strength steel construction, these screws can withstand heavy loads and provide long-lasting performance even in demanding environments. The lack of finish gives them a clean and industrial look, making them versatile for various applications without compromising on strength or quality.

Upgrade your fastening solutions with the 718S Captive Screws and experience the convenience of secure and reliable fastening in every project. Trust in the durability and functionality of these steel screws to meet your fastening needs with precision and efficiency.

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