★★★★★ 5
Works no issues
Size: 8 Gauge 10FT
Works no issues
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
Shoulder Screw 5/16"-18 x 3/8" x 1-1/4" - Stainless Steel 18-8
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Shoulder Screw 5/16"-18 x 3/8" x 1-1/4" - Stainless Steel 18-8Product Details : Shoulder Screw 5 16" 18 x 3 8" x 1 1 4" Stainless Steel 18 8 Product Type: Shoulder Screw Shoulder Diameter: 3 8" Thread Size: 5 16" 18 Bolt Diameter Size: 5 16" Thread Count (Pitch TPI): 18 Shoulder Length: 1 1 4" Thread Length: 1 2" Thread Type: Coarse Imperial Head Type: Hexagon Socket Head Diameter: 9 16" Head Height: 1 4" Drive Size: 3 16" Material(s): Stainless Steel 18 8 Tensile Strength: 70,000 psi Thread Direction: Right
Quick Dispatch:
Your Shoulder Screw 5/16"-18 x 3/8" x 1-1/4" - Stainless Steel 18-8 orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 2451 reviews
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Product Reviews
★★★★★ 4
Durable insulation and pure copper not that cca bs
Size: 1/0 Gauge 5FT
Good quality. Solid copper, not that cca bs. Stiff and durable insulation. Used for big 3 car audio grounds on high output alternator. Great results. Will mention that it’s not as thick as some other brands but not by much. Terminals still crimped tightly with 1/0 gauge
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026
★★★★★ 5
Quality wire and true specs
Size: 8 Gauge 10FT
Good quality car audio power wire.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
★★★★★ 5
Great Cable
Size: 4 Gauge 50FT
Labeled correctly and very flexible. Insulation is nice and thick and not easily marred.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
★★★★★ 5
Well made, a solid connection.
Size: 6 Pairs / 12 pcs
I liked them. They really lock down on the speaker wire to make a firm connection. They seem well made and are easy to install. My system sounds great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
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