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3/8"-16 x 5-1/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 200 Pack | Partially Threaded. 1" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

3/8"-16 x 5-1/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 200 Pack | Partially Threaded. 1" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

3/8"-16 x 5-1/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 200 Pack | Partially Threaded. 1" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

✅ In stock ⭐ Lowest price we've tracked

F

Grade

💤 Not a Deal

24/100

Current Price

$315.99

Analysis Confidence 58%

Check Deal at Amazon

Price verified Aug 14, 2026 1:35 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal

💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
💰The current price sits right around what this item typically fetches.
📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 0/28

Recent Value 0/22

Market Standing 0/20

Deal Strength 20/20

Momentum 4/10

📝 Product Overview

🏪 Sold by Newport Fasteners

🚚 Shipping Free Shipping

Product Details

✓A grade 8 bolt is stronger than the more commonly used grade 5.

✓Grade 8 Steel

✓Coarse Thread / Partially Threaded 1 inches of Thread

✓Manufactured to ASME B18.2.1 & SAE J429 specifications

✓Tensile Strength: 150,000 psi. min, 1/4 – 1.5 inch diams)

⚙️ Specifications

Material

Alloy Steel

Thread Size

3/8"-16

Exterior Finish

Yellow Zinc

Head Style

Hex

Fastener Type

Hexagon Bolt

Brand

Ecom Fasteners

Thread Style

Right Hand

Size

3/8-16 x 5 1/4 inch

Head Type

Hex

Manufacturer

Ecom Fasteners

Item Weight

35 pounds

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3/8"-16 x 5-1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 175 Pack | Partially Threaded. 1" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

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F

$315.99