Bulk Socket Head Cap Screws – US / Inch (Allen Drive)
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2026/02/03
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US / Inch Sizes Only · Bulk Packs & Case Quantities Bulk Socket Head Cap Screws – US / Inch are high-strength alloy fasteners designed for maximum torque and clamping force. These hex socket screws are widely used in machinery, tooling, robotics, and industrial assemblies where reliable fastening and compact head design are required. Browse Socket Cap Screws by Diameter: #0-80 · #1-72 · #2-56 · #3-48 · #4-40 · #5-40 · #6-32 / #6-40 · #8-32 / #8-36 · #10-24 / #10-32 · 1/4-20 / 1/4-28 · 5/16-18 · 3/8-16 / 3/8-24 · 1/2-13