Menu

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more ›

Best BoltsandNutscom Bolt Kits

BoltsandNutscom bolt kits offer premium assortments of Grade 5, Grade 8, and Metric Class 10.9 hex cap bolts, nuts, washers, and lock washers—ideal for heavy-duty industrial fastening with 574-575 pieces per kit.

3 products

Select a Product

Click on a product from the list to view its details.

PRIME

ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Last update on . Affiliate links, prices, images, product titles, and highlights from Amazon Product Advertising API.

Pros

Cons

Key Features

User Reviews

Your review will be visible after approval.

Loading reviews...
575-Piece Metric Class 10.9 Hex Cap Screws, Bolts, Nuts & Washers Assortment Kit - Zinc Plated, Organized Tray

This 575-piece kit provides Metric Class 10.9 hex cap screws, finished hex nuts, flat washers, and split lock washers in M6 to M12 sizes with zinc finish. Its standout organization in a 24-compartment steel tray and QR-coded reordering make it perfect for mechanics, fabricators, and DIY enthusiasts needing reliable high-strength fasteners.

  • Delivers high-strength Class 10.9 fasteners for heavy-duty projects and machinery
  • Covers essential M6, M8, M10, M12 sizes to tackle a wide range of repairs
  • Zinc plating resists corrosion for long-lasting performance in harsh environments
  • 24-compartment heavy-duty tray keeps components sorted and grab-and-go ready
  • QR-coded label simplifies reordering to keep your supply stocked effortlessly

Exceptional strength rating for demanding applications. Comprehensive variety in popular metric sizes. Superior organization with protective vinyl pouch.

Limited to coarse thread configurations. Sizes restricted to M6 through M12. Tray may require specific storage space.

574-Piece Grade 5 Hex Cap Bolts Assortment Kit: Nuts, Flat Washers, Lock Washers - Zinc Plated Steel Tray Organizer

This 574-piece kit provides Grade 5 hex cap bolts in 1/4", 5/16", and 3/8" sizes, along with matching nuts, SAE flat washers, and split lock washers, all in zinc clear finish. Its standout 24-compartment steel tray organization makes it perfect for mechanics, DIY builders, and professionals needing quick-access fasteners.

  • Massive 574-piece selection eliminates frequent reordering for common projects
  • Grade 5 steel strength handles heavy-duty fastening reliably
  • Zinc clear plating defends against rust and corrosion
  • 24-compartment heavy-duty tray keeps components sorted and grab-ready
  • Includes essential 1/4", 5/16", 3/8" sizes for versatile repairs

Superior organization in durable divided tray. High-strength Grade 5 components across bolts, nuts, and washers. Corrosion-resistant zinc finish extends usability.

Limited to coarse thread only. Bolt sizes capped at 3/8" diameter. Tray insert may require careful handling to avoid spills.

BoltsandNutscom 574-Piece Grade 8 Hex Cap Bolts, Nuts, Washers & Lock Washers Assortment Kit - Zinc Yellow

This 574-piece Grade 8 hex cap bolts, nuts, washers, and lock washers kit offers high-strength zinc yellow fasteners in sizes 1/4", 5/16", and 3/8". Mechanics and DIY builders should buy it for its organized 24-compartment tray and reliable heavy-duty performance.

  • Superior Grade 8 strength handles heavy-duty jobs without stripping
  • Zinc yellow finish resists corrosion for long-lasting outdoor use
  • 24-compartment tray keeps fasteners organized and grab-and-go ready
  • Includes matching nuts, flat washers, and split lock washers for complete assemblies
  • Easy reordering label simplifies restocking your workshop essentials

High 4.8-star rating reflects consistent quality and user satisfaction. Generous 574-piece count provides ample supply for multiple projects. Compact yet sturdy tray fits easily in toolboxes or workbenches.

Limited to 1/4", 5/16", and 3/8" sizes only. Coarse thread configuration excludes fine thread needs. Tray dimensions may feel bulky for small tool storage spaces.

Welcome to the ultimate destination for BoltsandNutscom bolt kits, where reliability meets variety in the world of industrial fasteners. This category showcases three powerhouse assortments: the Grade 8 Hex Cap Bolts kit with 574 pieces, the Metric Class 10.9 Hex Cap Screws kit with 575 pieces, and the Grade 5 Hex Cap Bolts kit with 574 pieces. Each kit is packed with hex cap bolts, nuts, washers, and lock washers, designed for professionals and DIYers tackling demanding projects in construction, machinery, and automotive repair. Choosing BoltsandNutscom means investing in durable, precision-engineered components that stand up to extreme conditions.

Why BoltsandNutscom Stands Out in Bolt Kits

BoltsandNutscom has built a stellar reputation for delivering top-tier fastener solutions that prioritize strength, consistency, and comprehensive assortments. Their kits are crafted from high-grade alloy steel, heat-treated for maximum tensile strength, and feature zinc plating for corrosion resistance, making them a go-to for harsh environments. What sets BoltsandNutscom apart is the thoughtful organization of sizes and components, ensuring you have the right fastener for any job without endless searching. As part of the broader Fasteners landscape, these kits elevate your toolkit within the Bolt Kits category.

Comparing BoltsandNutscom's Bolt Kits: Find Your Perfect Match

BoltsandNutscom offers three distinct kits to match varying strength needs and measurement preferences. The Grade 8 kit delivers superior tensile strength (150,000 PSI minimum), ideal for high-stress applications like heavy machinery and structural builds. Its 574 pieces cover a wide range of imperial sizes, complete with matching nuts, flat washers, and lock washers.

For metric projects, the Class 10.9 kit shines with comparable high strength (up to 1040 MPa) and 575 pieces, perfect for international standards in automotive and equipment assembly. Both premium kits outperform standard options, but if your needs are moderate, the Grade 5 kit (120,000 PSI) provides excellent value with its identical 574-piece count for general construction and repairs.

When deciding, consider load requirements: opt for Grade 8 or Class 10.9 for dynamic loads, while Grade 5 suits static applications. All kits include organized storage bins for easy access, saving time on the job site.

Key Features to Consider When Shopping Bolt Kits

  • Strength Grades: Grade 5 for everyday use, Grade 8 and Class 10.9 for extreme durability.
  • Material and Finish: Alloy steel with yellow zinc plating resists rust in workshops or outdoors.
  • Assortment Variety: Multiple diameters (e.g., 1/4" to 3/4" imperial, M6 to M20 metric) and lengths ensure versatility.
  • Complete Sets: Bolts, nuts, lock washers, and flat washers in one kit reduce sourcing hassles.
  • Packaging: Divided compartments prevent loss and simplify inventory.

Look for kits certified to ASTM standards, like those from BoltsandNutscom, to guarantee performance. If you're exploring alternatives, check out FOLIV Bolt Kits or Borntobeprofessional Bolt Kits for different assortments in similar strengths.

Common Use Cases for BoltsandNutscom Bolt Kits

These kits excel in diverse scenarios. In automotive repair, use the Grade 8 for suspension and engine mounts. Construction pros rely on Class 10.9 for machinery frames adhering to metric specs. Grade 5 handles furniture assembly, trailer hitches, and HVAC installations efficiently. They're also favorites in fabrication shops for custom builds and maintenance in Industrial & Scientific settings. Whether securing solar panels or repairing farm equipment, BoltsandNutscom kits provide the reliability to get it done right the first time.

Frequently Asked Questions

What's the difference between Grade 5, Grade 8, and Class 10.9 bolts?

Grade 5 offers medium strength for general purposes, Grade 8 provides higher tensile strength for heavy loads (marked with six radial lines), and metric Class 10.9 matches Grade 8 performance for international projects (marked with a '10.9' stamp).

How do BoltsandNutscom kits compare to competitors like FOLIV or Besitu?

BoltsandNutscom emphasizes larger piece counts and broader size ranges in organized bins, often surpassing smaller kits from brands like Besitu Bolt Kits. Their focus on premium plating adds longevity over basic generics.

Which BoltsandNutscom kit should I choose?

Select Grade 8 for imperial high-strength needs, Class 10.9 for metric, or Grade 5 for versatile medium-duty tasks. Match to your project's torque specs for optimal safety.

What warranty or support does BoltsandNutscom offer?

BoltsandNutscom provides satisfaction guarantees on their kits, with responsive customer support for sizing queries or replacements. Contact them directly for application advice.

Are these kits suitable for outdoor or corrosive environments?

Yes, the zinc plating offers solid corrosion resistance, but for marine or chemical exposure, pair with additional sealants.