Hard-To-Find Fastener Grade 8 Fine Hex Cap Screws Steel Hex Bolts 1/4-28 x 1/2 Inch Pack of 50
Why you'll like it
- Superior Strength — Manufactured from hardened alloy steel for exceptional durability in high-torque applications.
- Enhanced Corrosion Resistance — Coated with a yellow zinc-chromate finish to protect against rust in demanding environments.
- Secure Clamping — Fine thread design provides higher tensile strength and resistance to loosening under vibration.
- High-Torque Drive — Standard external hex head allows for firm engagement with standard wrenches or sockets.
Product details
Description
Ensure your high-stress assemblies and construction tasks remain securely fastened with these premium grade 8 fine hex cap screws. Crafted from hardened alloy steel, these robust hex bolts offer exceptional tensile strength and durability for demanding automotive, industrial, and heavy machinery applications.
The precision fine threading design provides superior clamping force and resistance to loosening under vibration compared to coarse threads. Finished with a durable yellow zinc-chromate plating, these fasteners deliver enhanced corrosion and rust resistance for long-lasting reliability.
Featuring a standard external hexagonal head, they allow for high-torque application using a wrench or socket, ensuring secure installation across various home improvement and professional projects. Supplied in a convenient bulk pack of fifty, these USA-imported specialty fasteners meet rigorous industry standards for performance and structural integrity.
How to use
- Select the correct pre-drilled and tapped hole matching the 1/4-28 fine thread specification.
- Align components and insert the hex cap screw.
- Tighten securely using a compatible 7/16-inch wrench or socket to the recommended torque specifications for your application.
Ingredients
SAE Grade 8 Hardened Alloy Steel with Yellow Zinc-Chromate Plating
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Hard-to-Find Fastener |
|---|---|
| GTIN | 00738287008258 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What is a grade 8 cap screw?
A Grade 8 cap screw is a high-strength fastener made from quenched and tempered alloy steel. It features three radial hash marks on the head and is designed for high-stress applications that require superior tensile strength and load-bearing capacity.
What are Grade 8 steel bolts used for?
Grade 8 steel bolts are ideal for heavy-duty applications subject to high stress and load, such as automotive repairs, industrial machinery, structural construction, and high-vibration environments.
What does the 1/4-28 thread size mean?
The 1/4 designation refers to the nominal diameter of one-quarter inch, while the 28 indicates the thread count, meaning there are twenty-eight fine threads per inch along the shaft.
Are these fasteners authentic USA imports available in India?
Yes, these are authentic USA-imported Hard-to-Find Fastener products. Dropy sources them directly from the United States to ensure genuine quality and performance for your projects in India.
What finish do these hex cap screws have?
These screws feature a yellow zinc-chromate plating, which provides a protective barrier against corrosion and rust while offering distinct visual identification.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.