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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
ARP 12-Point Nuts 3/8 in.-24 RH Thread, Pack of 10 # 300-8391ARP 12 Point Nuts 3 8 in. 24 RH Thread, Pack of 10 # 300 8391 Nuts, 12 Point Head, Custom 450, Black Oxide, 3 8 in. 24 RH Thread, Pack of 10 Thread Size: 3 8 24 in. RH Nut Style: 12 point Nylon Insert: No Self Locking: No Wrench Diameter: 1 2 in. Nut Material: Steel Nut Finish: Black oxide Washers Included: No Fastener Yield Strength (psi): 150,000 psi Quantity: Sold as a set of 10. ARP nuts are made from aerospace quality material with 12 point style
ARP 12-Point Nuts 3/8 in.-24 RH Thread, Pack of 10 # 300-8391Nuts, 12-Point Head, Custom 450, Black Oxide, 3/8 in.-24 RH Thread, Pack of 10
Thread Size:3/8-24 in. RH
Nut Style:12-point
Nylon Insert:No
Self-Locking:No
Wrench Diameter:1/2 in.
Nut Material:Steel
Nut Finish:Black oxide
Washers Included:No
Fastener Yield Strength (psi):150,000 psi
Quantity:Sold as a set of 10.
ARP nuts are made from aerospace-quality material with 12-point style heads. Available in chromoly or stainless steel, they come in many sizes to meet just about all of your needs and are rated at 180,000 psi tensile strength.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 1866 reviews
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Product Reviews
★★★★★ 5
Great feel and comfort
Size: X-Large, Color: Red 09
Great shirt for work and play. Lightweight and Wrinkle resistant. Very comfortable to move around. Son loves the collar style. Fit him perfectly 6’1 and 235.
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Reviewed in the United States on January 14, 2026
★★★★★ 5
Runs large
Size: Large, Color: Red 09
I really like the quality and the fit. However, I have to say it runs a bit large. I’m usually an XL or even XXL in other brands, but in this case the L fits me perfectly.
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Reviewed in the United States on March 12, 2026
★★★★★ 3
Nice shirt in AC
Size: Large, Color: Grey 09
The shirt looks good, fits well, but cannot be used as a golf shirt or something you do physical activity in. Even though it’s polyester, it’s not a dry fit type shirt. It will make you sweat more than you should.
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Reviewed in the United States on August 12, 2025
★★★★★ 5
Good quality
Size: XX-Large, Color: White 09
Great everyday polo for the price.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Stylish and comfortable!
Size: XX-Large, Color: Green 09
Fits great, very comfortable, it stretches, the material feels just right, couldn’t be happier. I’m going to buy another.
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Reviewed in the United States on May 14, 2026