Hillman 20 Pcs Grade 5 Hex Nuts (3/8"-24) | Fine Thread Hex Nuts for Bolts, Threaded Rods & Fasteners | Zinc-Plated Grade 5 Steel Hardware for Construction, Repairs & Mechanical Applications

★★★★★ 4.3 21 reviews

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Product details

Management number 218989919 Release Date 2026/05/03 List Price $2.76 Model Number 218989919
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Product Description Hillman 3/8"-24 Grade 5 hex nuts are engineered for high-strength fastening in automotive, mechanical, and structural applications requiring fine-thread precision. Manufactured from hardened Grade 5 steel and finished with corrosion-resistant zinc plating, these nuts deliver dependable performance and improved load capacity compared to standard hardware. The 3/8"-24 SAE fine thread design provides enhanced clamping force control and vibration resistance, making these hex nuts ideal for automotive components, machinery, outdoor equipment, and structural assemblies. For optimal performance, pair with matching Grade 5 fine-thread bolts and washers. Packaged in a convenient 20-piece refill box, these high-strength zinc-plated hex nuts provide reliable fastening performance for professional contractors, mechanics, and advanced DIY projects. From the Manufacturer Hex nuts are for general applications and are used with bolts and washers of the same finish. The most commonly used nut, they are often found in deck and fence building. The called out size is the inner diameter and the number of threads per inch or thread pitch. These nuts are left threaded.

  • Hexagonal shaped nut with internal thread
  • Hex nuts are for general applications and are good when working at tight angles
  • Zinc-plated for moderate corrosion resistance
  • Quantity per pack: 20
  • TRUSTED HILLMAN FASTENING SOLUTIONS: Hillman hardware products are engineered for consistent quality, dependable performance, and reliable fastening across construction, repair, and home improvement applications.
UPC 008236152913
Brand Hillman
Color Silver
Model 3864
Set Name 20 Piece Grade 5 Hex Nut Set (3/8"-24)
Size Name 3/8"
Metal Type Alloy Steel
Unit Count 20.0 Count
Drive Style External Hex
Item Weight 0.14 Kilograms
Part Number 3864
Thread Size 3/8"-24
Thread Type Unified National Fine
Finish Types Sae
Grade Rating grade 5
Manufacturer The Hillman Group
Thread Class Fine
Thread Style Left Hand
Fastener Type Hex
Item Diameter 0.38 Inches
Material Type Alloy Steel
Exterior Finish Zinc
Item Dimensions 2.5 x 1.7 x 1.4 inches
Number Of Items 20
Thread Coverage Threaded
Number of Pieces 20
Outside Diameter 0.38 Inches
Screw Head Style Hex
Inside Thread Size 3/8 24
Compatible Groove Diameter 0.38 Inches
Global Trade Identification Number 00008236152913

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