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Stainless Steel Black Lag Bolts 5/16" x 3-1/2" Hex Lag Screws (10 pcs) 18-8 Stainless Black Oxidized in USA
✅ In stock
F
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 17, 2026 1:18 AM · 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 is slightly above the going rate for this product — worth watching for a drop.
- 🏷️The retail sticker price has been slashed by 71% — a steep markdown from the official listing.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- ➡️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
7/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Makers Bolt
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓CERTIFIED STAINLESS STEEL: Made from 18-8 (304) mill certified stainless steel, our premium black lag screws undergo testing to ensure the bolts you receive are grade 18-8 stainless and meet size specifications.
✓BLACK OXIDE: These stainless black screws are coated with Black Oxide proudly applied in the USA to military specifications, giving the screws a sleek look and added corrosion and abrasion resistance.
✓PROJECT CENTER: These metal wood screws are great for exterior household and industrial applications such as deck building or joining lumber.
✓SIZING: 5/16 inch x 3-1/2 inch | Diameter: 5/16 in | Length: 3-1/2 in | Thread Type: Coarse (standard) | Head width across the Flats: 1/2" | Quantity: 10 Pieces
✓SHOP WITH CONFIDENCE: Makers Bolt proudly finishes and packages these fasteners in the USA ensuring quality and conformance to specifications.
⚙️ Specifications
Material
Stainless Steel
Head Style
Hex
Exterior Finish
Black Oxide
Thread Size
5/16 inch
Point Style
Hex
Metal Type
Stainless Steel
Brand
MAKERS BOLT
Color
Black Oxide
Head Type
Hex
Thread Type
Unc
Thread Coverage
Fully Threaded
