3/8-16 x 2-1/2" Flat Countersunk Head Socket Cap Screws, Full Machine Thread Coverage, Allen Hex Drive, 304 Stainless Steel 18-8 SS, 10 PCS


Product Details

Size: 3/8-16 x 2-1/2"
Number of Items: 10
Brand: EASTLO
MPN: AB400309-10
UPC: Does not apply
EAN: Does not apply

  • Material: Stainless Steel
  • Head Style: Flat
  • Exterior Finish: Stainless Steel
  • Thread Size: 3/8 16
  • Metal Type: 304 Stainless Steel
  • Thread Size: 3/8 16
  • Thread Coverage: Fully Threaded
  • Size Name: 3/8-16 x 2-1/2"
  • Number of Pieces: 10
  • Brand: EASTLO
  • Color: Silver
  • Fastener Type: Machine Screw
  • Number Of Items: 10
  • Part Number: AB400309-10
  • Model: AB400309-10
  • Unit Count: 10.0 Count
  • Manufacturer: EASTLO
  • Screw Head Style: Flat
  • Head Type: Flat
  • Set Screw Thread Type: UNC
  • Grade Rating: Grade A
  • Drive System: External Hex
  • Material Type: Stainless Steel
  • Exterior Finish: Stainless Steel
  • Metal Type: 304 Stainless Steel
  • Finish Types: Steel
  • Key Specs: Thread & Length 3/8-16 x 2-1/2"; Head Diameter: 0.72"~0.78" (18.29-19.84mm); Drive Type: 7/32" Hex Socket; Package: 10 PCS
  • Made of durable 304 stainless steel, offering greater strength and corrosion resistance than zinc-plated or regular steel fasteners. It withstands challenging environments like humidity, temperature variations, and general wear, ensuring long-term reliability with minimal maintenance
  • Secure Hex Socket Drive: The internal hex (Allen) drive provides superior torque transfer compared to Phillips or slotted drives, significantly reducing cam-out and tool slippage. This allows for tighter, more reliable installations and easier removal even after prolonged use
  • The 82-degree (standard) countersunk head is engineered to sit perfectly flush or below the surface in pre-drilled countersink holes. This creates a smooth, unobtrusive finish ideal for machinery, fabrication, automotive work, and DIY projects where a clean profile is required
  • Built for Heavy-Duty Fastening & High-Strength Joints: Used in trailer decking, heavy machinery guards, industrial oven assembly, and structural supports. The high strength and superior heat resistance of 304 stainless steel make it suitable for furnace components, engine bay accessories, and high-temperature processing equipment

Achieve a clean, professional finish with these 304 Stainless Steel Countersunk Hex Socket Cap Screws. Engineered for reliability and corrosion resistance, they are the ideal choice for demanding applications where both strength and appearance matter. Crafted from 18-8 stainless steel, these screws offer superior resistance to rust and corrosion, making them perfect for use in high-humidity, outdoor, and chemical-exposed environments. The 82-degree flat head is designed to sit flush or below the surface in pre- drilled countersink holes, creating a smooth, streamlined profile that eliminates snagging. The internal hex socket drive allows for higher torque application with minimal risk of cam-out or stripping compared to traditional drives, ensuring secure and reliable installations. Available in a comprehensive range of US sizes from fine-thread 4-40 to heavy-duty 3/8-16, this series is versatile for precision electronics, machinery assembly, automotive modifications, marine hardware, and architectural fabrications. Choose these professional-grade fasteners for a durable, low-maintenance, and aesthetically pleasing solution in your next project.