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3/8"-16 x 3-1/2" Grade 8 Bolts (4-Pack) – Heavy-Duty Hex Bolts with Flat Washers & Nylon Lock Nuts – High-Strength SAE Anti-Vibration 3.5" Coarse Bolts for Automotive, Machinery & Construction

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$ 29,19
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  3. 3/8"-16 x 3-1/2" Grade 8 Bolts (4-Pack) – Heavy-Duty Hex Bolts with Flat Washers & Nylon Lock Nuts – High-Strength SAE Anti-Vibration 3.5" Coarse Bolts for Automotive, Machinery & Construction

3/8"-16 x 3-1/2" Grade 8 Bolts (4-Pack) – Heavy-Duty Hex Bolts with Flat Washers & Nylon Lock Nuts – High-Strength SAE Anti-Vibration 3.5" Coarse Bolts for Automotive, Machinery & Construction

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  • Complete 4-packs: Includes 4 Grade 8 hex bolts, 4 hardened flat washers, 4 Grade 8 nylon lock nuts— everything you need for strong, vibration-resistant fastening in one convenient pack. Bolts 3/8" x 3.5" long. Nuts and washers fit 3/8" bolts.
  • Grade 8 Strength for Demanding Jobs: High-tensile SAE J429 Grade 8 bolts and nuts deliver superior load capacity and shear strength, making this kit ideal for automotive, trailer, machinery, and structural applications. All washers are hardened, which is compatible with a Grade 8 fastening system. Threads are made to the requirements of ASME B1.1. ASME B18.2.1 Dimensional Requirements. SAE J429 Material and Strength Level. ASTM A564 Material and Strength Level. ASTM F788 Surface Discontinuities. ASME B18.18 Inspection and Quality Assurance.
  • Utimate Anti-Vibration Nylon Locking System: washers help prevent loosening under torque, shock, and movement — perfect for equipment that sees constant vibration or cyclic loads.
  • Precision-Matched Components: All fasteners are 3/8"-16 UNC for reliable fit and consistent clamping force across every assembly — no mismatched hardware, no guesswork.
  • Built for Pros & Serious DIYers: Whether you’re repairing equipment, building fixtures, or assembling heavy components, this kit delivers industrial-grade reliability in a compact, easy-to-store format.

$ 29,19 29.19 USD $ 29,19

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  • Üretici yapımcı
  • Unit Count
  • Dışlama
  • Metal Tipi
  • Head Style
  • Üretici Grade
  • Konu
  • Dışarıda
  • Brand Brand Brand
  • Head Type
  • Fastener Type
  • Parça Sayısı
  • Hızlı Boyut
  • Thread Boyut
  • Malzeme malzemesi
  • Renkli Renk
  • Thread Type
  • Set Name Name Name
  • Bölüm Numarası
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  • Malzeme Tipi
  • Madde Sayısı
  • Thread Style
  • Thread Class
  • Uyumlu Yörüntü
  • Maksimum Shear Strength
  • Un Hardness
  • Bitiş Türleri
  • 1.
  • Ürün Türü
  • Boyut Adı
  • Vida Head Style
  • Vida Point Style

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These 3/8"-16 x 3-1/2" (3.5") long Grade 8 (G8) Bolts are engineered for applications where strength, reliability, and vibration resistance matter most. Each pack combines a high-strength Grade 8 (G8) hex bolt, a matching nylon locking hex nut, one flat washer for load distribution. Designed for use in automotive repairs, trailer builds, agricultural equipment, shop machinery, and structural assemblies, this kit eliminates the need to source parts separately—saving time while ensuring proper fit and performance. Whether you’re a professional mechanic, fabricator, or serious DIYer, this fastener kit delivers the confidence of industrial-grade hardware in a convenient, ready-to-use package.

Main Specification
Üretici yapımcı Quantum Forge
Unit Count 4 Kont
Dışlama Yellow Zinc
Metal Tipi Çelik Çelik
Head Style Hex
Üretici Grade 8.
Konu Kısmen Threaded
Dışarıda 0.38 inç
Brand Brand Brand Quantum Forge
Head Type Hex
Fastener Type Hexagon Bolt Bolt
Parça Sayısı 4 4 4
Hızlı Boyut 3/8"-16
Thread Boyut 3/8"-16
Malzeme malzemesi Çelik Çelik
Renkli Renk Yellow Zinc
Thread Type Unc
Product information
Set Name Name Name Quantum Forge 3/8"-16 x 3-1/2" Grade 8 Hex Bolt Set (4-Pack with Nylon Lock Nuts & Flat Washers)
Technical Details
Maksimum Shear Strength 150 or 000 psi min tensile
Bölüm Numarası QFG35026-FBA
Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model QFG35026-FBA
Malzeme Tipi Çelik Çelik
Madde Sayısı 4 4 4
Thread Style Doğru El
Thread Class 2A
Uyumlu Yörüntü 0.38 inches
Un Hardness 8.
Style
Bitiş Türleri Parlak
Measurements
1. 3.5 x 0.38 x 0.38 inches
Others
Ürün Türü Hex Bolts
Boyut Adı 3/8" x 3-1/2" Nylon Lock Nut
Vida Head Style Hex
Vida Point Style Hex Point