🔩 549-Piece SAE Flange Bolt & Nut Assortment Kit (1/4-20, 5/16-18, 3/8-16) | HomeDIYer
🏠 Tired of running to the hardware store for every small project? Our SAE Flange Bolt Assortment Kit is the ultimate solution for DIY enthusiasts, mechanics, and homeowners. This massive 549-piece set includes three popular SAE sizes with flange hex bolts, nuts, and washers—all made from grade 8.8 alloy steel for superior strength and durability. Galvanized to resist rust, clearly labeled for easy organization, and packed in a sturdy box that lasts. Whether you're fixing a deck, working on a car, or assembling furniture, this kit has the right bolt for the job!
⚡ Why Choose This SAE Bolt Kit?
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✅ Complete SAE Assortment: Covers 1/4-20, 5/16-18, and 3/8-16 sizes with multiple lengths.
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✅ Heavy-Duty Construction: Made from 8.8-grade alloy steel with a serrated flange for secure fastening.
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✅ Rust-Resistant: Galvanized finish prevents corrosion, ideal for indoor and outdoor use.
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✅ Organized & Labeled: Clear compartment box with labels saves time and reduces frustration.
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✅ Versatile Application: Perfect for automotive repairs, woodworking, machinery, home maintenance, and more.
📦 What's Inside Your SAE Bolt and Nut Kit
This comprehensive SAE bolt assortment set contains a total of 549 pieces, carefully selected to cover the most common needs. Below is the detailed breakdown:
| Bolt Size (SAE) |
Length (Inches) |
Quantity (Pcs) |
Nuts |
Washers |
| 3/8-16 |
13/16" |
10 |
32 Nuts |
32 Washers |
| 1" |
8 |
| 1‑3/16" |
6 |
| 1‑3/8" |
4 |
| 1‑9/16" |
3 |
| 5/16-18 |
5/8" |
15 |
50 Nuts |
50 Washers |
| 13/16" |
12 |
| 1" |
8 |
| 1‑3/16" |
5 |
| 1‑3/8" |
5 |
| 1‑9/16" |
4 |
| 1/4-20 |
15/32" |
30 |
102 Nuts |
102 Washers |
| 5/8" |
22 |
| 13/16" |
20 |
| 1" |
15 |
| 1‑3/16" |
14 |
* All bolts are flange hex style with integrated washer face. Nuts and washers are included as listed.
🛠️ Key Features of Our Flange Hex Bolt Assortment
1. High-Strength 8.8 Grade Alloy Steel
Every bolt in this SAE flange bolt kit is manufactured from grade 8.8 alloy steel, heat-treated for high tensile strength and wear resistance. They outperform standard hardware store bolts, ensuring your projects stay secure.
2. Galvanized Anti-Rust Finish
The zinc-plated (galvanized) surface provides excellent corrosion resistance, making this bolt and nut assortment suitable for both indoor and outdoor applications—no more rusty, seized fasteners!
3. Organized Storage Box with Labels
Forget messy bags! The kit comes in a sturdy, compartmentalized plastic box with clear labels for each size and length. Stay organized, save time, and find the right piece in seconds.
4. Versatile SAE Sizes for Multiple Projects
Covering 1/4-20, 5/16-18, and 3/8-16 threads, this SAE bolt assortment is ideal for automotive repairs, woodworking, metal fabrication, DIY furniture, lawn equipment, and general home maintenance.
❓ Frequently Asked Questions (FAQ) – SAE Bolt Kit
🔍 What is the material grade of these bolts?
All bolts are made from grade 8.8 alloy steel, which is heat-treated for high strength and durability. This is a medium-carbon steel grade commonly used in automotive and structural applications.
🌧️ Are these bolts suitable for outdoor use?
Yes! The bolts, nuts, and washers are galvanized (zinc-plated) to resist rust and corrosion. They can be used outdoors for fences, decks, outdoor furniture, and automotive underbody applications.
📏 What SAE sizes are included in this assortment kit?
The kit includes three common SAE sizes: 1/4-20, 5/16-18, and 3/8-16. Each size comes in multiple lengths, plus matching nuts and washers, for a total of 549 pieces.
🚗 Can I use these for automotive repairs?
Absolutely. These flange hex bolts are ideal for various automotive applications, including brackets, exhaust hangers, body panels, and engine bay components. The 8.8 grade provides reliable strength for most non-critical automotive uses.
📦 How is the kit packaged?
The entire 549-piece SAE bolt assortment comes in a durable, reusable plastic storage box with dividers and clear labels. This keeps everything organized and protected from moisture and dust.
🔄 What if I need a metric bolt set instead?
We also offer a metric flange bolt kit (M6, M8, M10) on our website. Check our store for the metric version if your projects require metric fasteners.
📝 Product Details & Specifications
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Total Pieces: 549
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Bolt Sizes: 1/4-20, 5/16-18, 3/8-16 (SAE)
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Bolt Type: Hex Flange Bolts (integrated washer face)
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Material: Grade 8.8 Alloy Steel
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Finish: Galvanized (Zinc-Plated)
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Includes: Flange Bolts, Hex Nuts, Flat Washers
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Storage: Labeled Compartment Box
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Box Dimensions: 27.5 x 17.5 x 4.5 cm (10.83 x 6.89 x 1.77 in)
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Weight: 3701 g (8.16 lbs)
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Model: HDTKF0002
🎯 Whether you're a professional mechanic, a weekend DIYer, or a homeowner who likes to be prepared, this SAE Flange Bolt & Nut Assortment Kit delivers unmatched convenience, quality, and value. Order yours today and tackle any project with confidence!
Coupon Code: HomeDIYer10 – Save 10% on your order!
