1/2-13 x 4.75 Made in USA Grade 8 Hex Cap Head Bolt (Pack of 10) – Aerospace Military Spec Fasteners – Zinc Chromate Steel UNC 2A
1/2-13 x 4.75 Made in USA Grade 8 Hex Cap Head Bolt (Pack of 10) – Aerospace Military Spec Fasteners – Zinc Chromate Steel UNC 2A
Upgrade your hardware with genuine USA-made aerospace and military-spec Grade 8 hex head bolts engineered for extreme-duty performance. These premium 1/2"-13 x 4.75" fasteners are manufactured from high-strength alloy steel and built to meet rigorous SAE J429 Grade 8 and ASTM A354 Grade BD material standards. Featuring precision Class 2A UNC threads, zinc chromate corrosion- resistant coating, and a partially threaded shank design, these bolts are ideal for structural, industrial, automotive, heavy equipment, off-road, and military vehicle applications where strength and reliability matter most. Whether you're replacing OEM hardware or sourcing professional-grade fasteners for demanding environments, these American-made bolts deliver trusted performance under heavy loads and vibration. ✅ Fastener Type: Hex Head Cap Screw / Bolt ✅ Bolt Size: 1/2"-13 x 4.75" ✅ Hex Head Size: 3/4" (0.75") ✅ Thread Series: UNC ✅ Thread Direction: Right-Hand ✅ Thread Class: 2A ✅ Material: Alloy Steel ✅ Grade: SAE J429 Grade 8 / ASTM A354 Grade BD ✅ Finish: Zinc & Chromate ✅ Minimum Tensile Strength: 150,000 PSI ✅ Head Style: Hexagon ✅ Width Across Flats: 0.736" – 0.750" ✅ Head Height: 0.302" – 0.323" ✅ Thread Length: 1.250" – 1.442" ✅ Overall Length: 4.656" – 4.750" ✅ Surface Finish: 63 Microinch Threads ✅ Country of Manufacture: USA ✅ Quantity: Pack of 10
Product Features
- MADE IN USA QUALITY Genuine USA-manufactured Grade 8 hex head bolts built to demanding aerospace and military specifications for superior strength, consistency, and reliability.
- HIGH-STRENGTH GRADE 8 STEEL Manufactured from premium alloy steel meeting SAE J429 Grade 8 / ASTM A354 Grade BD standards with a minimum tensile strength of 150,000 PSI.
- AEROSPACE & MILITARY SPEC PERFORMANCE Engineered for mission-critical applications requiring dependable performance in industrial, structural, heavy equipment, defense, and off-road environments.
- PRECISION UNC THREADS 1/2"-13 UNC right-hand Class 2A threads provide accurate fitment, smooth installation, and secure holding power.
- CORROSION-RESISTANT FINISH Zinc and chromate coating helps resist rust, corrosion, and wear in harsh operating conditions.
- STAMPED USA HEAD MARKINGS Features authentic LE and USA stamped bolt head markings for a rugged, industrial aerospace-grade appearance.
- PACK OF 10 FASTENERS Includes ten premium partially threaded hex head bolts optimized for shear strength and load distribution.