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Accurate Screw Machine

745BNS - 4-40 UNC2A Brass Knurled Low Profile w/ Collar Head Captive Screw / Assembly

Configurable Knurled Low Profile w/ Collar head None Brass captive screws with 4-40 UNC2A threads.

Download CAD
Unit System
Specs (in standard)
Label Value
Assembly Configurable
Brand Accurate Screw
Display Name 745BNS
Drive Type None
End Diameter 0.078 in
End Length 0.125 in
End Type Lead Point
Finish None
Head Diameter 0.75 in
Head Height 0.25 in
Knurl Pitch 40 deg
Length L 0.353 in
Material Steel
Max L 3 in
SKU 745BNS
Screw Head Type Knurled Low Profile
Shaft Diameter 0.235 in
Shaft Length - Threaded 0.375 in
Slot Depth 0.125 in
Slot Width 0.0625 in
Thread Size 5/16-18
Specs (in metric)
Label Value
Assembly Configurable
Brand Accurate Screw
Display Name 745BNS
Drive Type None
End Diameter 1.98 mm
End Length 3.18 mm
End Type Lead Point
Finish None
Head Diameter 19.05 mm
Head Height 6.35 mm
Knurl Pitch 40 deg
Length L 8.97 mm
Material Steel
Max L 76.2 mm
SKU 745BNS
Screw Head Type Knurled Low Profile
Shaft Diameter 5.97 mm
Shaft Length - Threaded 9.53 mm
Slot Depth 3.18 mm
Slot Width 1.59 mm
Thread Size 5/16-18
Introducing the 745BNS Captive Screws, the perfect solution for secure fastening applications where easy access and retention are essential. Crafted from high-quality brass, these captive screws offer durability and corrosion resistance, making them ideal for both indoor and outdoor use.

The 745BNS Captive Screws feature a sleek design with a choice of finish options, giving you the flexibility to match the specific needs and aesthetics of your application. Whether you need to secure panels, covers, or components in industrial machinery, electronic enclosures, or consumer electronics, these captive screws provide a reliable and convenient fastening solution.

Designed for easy installation and removal without the risk of losing the screws, the 745BNS Captive Screws streamline maintenance and assembly processes. The brass material not only ensures longevity but also adds a touch of sophistication to your equipment or devices.

These screws are precision-engineered to deliver a snug fit and secure hold, giving you peace of mind that your components are safely fastened. The captive feature prevents the screws from getting misplaced or causing damage during maintenance procedures, making them a practical choice for various applications.

Whether you are a professional in the manufacturing industry, or a tech-savvy individual, the 745BNS Captive Screws offer a reliable and user-friendly fastening solution. Upgrade your equipment with these brass captive screws and experience the convenience and security they provide in your projects.

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