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4-40X.3125_SH_316_2A_DFARS - 4-40 Hex Socket Cap Screw

0.3125 Inch Hex Socket Cap screws manufactured from 316 Stainless Steel with 4-40 thread.

Unit System
Specs (in standard)
Label Value
Brand Ideal Fasteners
Broach 0.0937 in
Display Name 4-40X.3125_SH_316_2A_DFARS
Drive Type Hex Socket
End Type Standard
Finish Passivated
Head Diameter 0.176 in
Head Height 0.108 in
Key Engagement 0.051 in
Length 0.3125 in
Material 316 Stainless Steel
Max Head Diameter 0.18 in
Max Slot Width 0.0952 in
SKU 4-40X.3125_SH_316_2A_DFARS
Screw Head Type Cap
Screw Options Thread Fit - 2A, Compliance - DFARS 225.252-7009
Thread Size 4-40
Specs (in metric)
Label Value
Brand Ideal Fasteners
Broach 2.38 mm
Display Name 4-40X.3125_SH_316_2A_DFARS
Drive Type Hex Socket
End Type Standard
Finish Passivated
Head Diameter 4.47 mm
Head Height 2.74 mm
Key Engagement 1.3 mm
Length 7.94 mm
Material 316 Stainless Steel
Max Head Diameter 4.57 mm
Max Slot Width 2.42 mm
SKU 4-40X.3125_SH_316_2A_DFARS
Screw Head Type Cap
Screw Options Thread Fit - 2A, Compliance - DFARS 225.252-7009
Thread Size 4-40
Introducing the 4-40X.3125_SH_316_2A_DFARS Socket Head Cap Screw, a high-quality fastening solution designed for demanding industrial applications. Crafted from robust 316 stainless steel material, this screw offers exceptional corrosion resistance and durability, making it ideal for use in harsh environments where exposure to moisture or chemicals is a concern.

Measuring at 4-40 thread size and 0.3125 inches in length, this precision-engineered screw features a standard end type and a sophisticated passivated finish. The passivation process enhances the screw's surface properties, providing increased protection against oxidation and ensuring a pristine, clean appearance.

Equipped with a hex socket drive type, this screw allows for efficient and secure tightening using a corresponding hex key or driver. The 2A thread fit offers a balanced combination of ease of assembly and secure fastening, promoting reliable performance in critical applications. Additionally, this screw complies with DFARS 225.252-7009 standards, ensuring adherence to strict quality and sourcing requirements mandated for defense applications.

The cap head type of this screw provides a large bearing surface and a visually appealing finish once installed, making it suitable for applications where a smooth and aesthetically pleasing appearance is desired. Whether used in aerospace, maritime, or industrial settings, the 4-40X.3125_SH_316_2A_DFARS Socket Head Cap Screw delivers exceptional performance and reliability.

In summary, this socket head cap screw embodies superior quality, reliable performance, and compliance with stringent industry standards. Its durable construction, corrosion resistance, and precise dimensions make it a go-to choice for engineers and professionals seeking top-tier fastening solutions for their critical projects.

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