SKU: 25717748291

Hillman 3/8 in. Dia x 2-1/2 in. L Heat-Treated Zinc Steel Hex Head Cap Screw, 50-Pack

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Description

Hillman 3/8 in. Dia x 2-1/2 in. L Heat-Treated Zinc Steel Hex Head Cap Screw, 50-PackHillman 3 8 in. x 2 1 2 in. Zinc Hex Head Cap Screws (50 Pack) Durable Grade 5 hex head cap screws made from heat treated zinc plated steel for strength and corrosion resistance. Ideal for securing machinery, automotive components, and structural assemblies requiring 3 8 in. 16 coarse threads. Key Features: Grade 5 Strength: Heat treated steel provides reliable clamping force for demanding applications Corrosion Resistant: Zinc plated finish helps

Hillman 3/8 in. x 2-1/2 in. Zinc Hex Head Cap Screws (50-Pack)

Durable Grade 5 hex head cap screws made from heat-treated zinc-plated steel for strength and corrosion resistance. Ideal for securing machinery, automotive components, and structural assemblies requiring 3/8 in.-16 coarse threads.

Key Features:

  • Grade 5 Strength: Heat-treated steel provides reliable clamping force for demanding applications
  • Corrosion Resistant: Zinc-plated finish helps protect against rust in indoor and light outdoor use
  • Standard Hex Head: Tightens with a wrench or driver for quick, secure installation
  • Coarse Thread 3/8"-16: Compatible with corresponding nuts and tapped holes
  • Contractor Pack: 50 pieces for efficient stocking and project throughput

Specifications Table:

Specification Details
Diameter 3/8 inch
Length 2-1/2 inch
Thread Size 3/8"-16
Thread Type Coarse, right-hand
Material Alloy steel
Grade Grade 5
Finish Zinc plated
Head Style Hex
Fastener Type Hexagon bolt / hex head cap screw
Measurement System Inch
Item Weight 4 lb (package)
Product Dimensions (package) 5 x 4.25 x 3.25 inches
Pack Quantity 50 pieces
Country of Origin Taiwan

Frequently Asked Questions (FAQ):

Q: What thread specification do these bolts use?
A: They are 3/8"-16 coarse thread, right-hand.

Q: Are nuts included with this pack?
A: No, nuts are not included and must be purchased separately.

Q: What grade are these cap screws?
A: They are Grade 5 heat-treated alloy steel.

Q: Can these be used outdoors?
A: The zinc finish offers basic corrosion resistance; for harsh or marine environments, consider galvanized or stainless options.

Q: What tools are needed for installation?
A: Use a standard wrench or driver sized for the hex head to tighten into a nut or tapped hole.

Industrial Polish with Purpose

These zinc-kissed cap screws bring a quiet, engineered elegance to utilitarian builds. The crisp hex head is a subtle design note—clean, confident, and timeless. Style open shelving or exposed hardware with their silvery sheen for a refined workshop aesthetic. Essential pieces that marry function and finesse for elevated, everyday luxury.

Equip your project with dependable Grade 5 strength—add this 50-pack of Hillman hex head cap screws to your cart today.

Shipping Notes
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Exchange/Return Notes
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SKU: 25717748291

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4.1 ★★★★★
Based on 23 reviews
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T
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Tom Waylett
Chelsea, US
★★★★★ 5
Packed with knowledge and mystery!
Format: Paperback
I gave this book 5 stars because this is an exhaustive compendium of mythological knowledge in one short (505 pages) volume. It is professorial in writing design, which includes excerpts in Latin, French and German, as well as the many words and phrases from India, Mesopotamia, northern Europe, Pacifiic islands and so forth. I recommend reading the appendices in the order they are referred to in the main text. I read them last and did not glean an understanding that accompanied the chapters. All in all, this is a researcher's book with 29 pages of bibliography material, with extensive notes at the bottom of the pages so one can stay on text. Good luck and enjoy the perusal of mythology, astronomy/astrology, history, poetry and fable. Great reading!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 8, 2015
S
Verified Purchase
Serendipitygirl
Waukegan, US
★★★★★ 4
Interesting connections made.
Format: Paperback
I bought this because or had been referred to in several other excellent books I've read. Very scholarly and good case made but a bit dry and overdone/redundant at times when making a point. And if you've studied a lot, nothing really new revealed- but if just starting down this road, some great comparisons made.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 19, 2025
D
Verified Purchase
David Warner Mathisen
Fort Morgan, US
★★★★★ 5
Seminal
Format: Paperback
As many have noted, Hamlet's Mill is not an "easy" read, but it is an absolutely worthwhile experience not only to read but to re-read this seminal thesis on the transmission of ancient astronomical knowledge through mythology and legend. Perhaps the fact that a reader must wrestle with this text is part of the reason that it has generated so many fruitful inquiries and theories by later authors. The entire book is rich with ideas, many of which the authors drop and then pick up again and again later in the text, some of which are simply left for later analysts to pursue further on their own. Slice into it at any point and you will find a rich vein of material that can suggest new avenues for you to explore in the ancient history and literatures of the world. Sometimes an easy read or a text that hands you all of its answers and does the work for you is not "what the doctor ordered." Hamlet's Mill definitely makes more sense the second and even third time through. That in and of itself makes this book worth your while -- it's a gift that keeps on giving, a book you can keep on reading, even after you reach the end!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2011
C
Verified Purchase
CarPerz
Los Angeles, US
★★★★★ 5
Love learning new things!
Format: Paperback
Love the book but unless you have a foreknowledge of myths from around the world and the experts that have written about them, you will need your phone next to you to look up everything that is being talked about. Like, on every page. Not an easy read.
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Reviewed in the United States on January 14, 2022
Y
Verified Purchase
Y. Teperman
Cuba, US
★★★★★ 5
Properly intellectual, and both demanding and rewarding as such
Format: Paperback
Anyone who plans to read this book is likely to know its premise already, so, I will not spend time or effort to recap it. All I can say is that the way the book is more eloquent, is altogether smarter, and more beautifully written than I expected. This is a true intellectual treat written with proper intellectual verve. So, no conspiracy theorists, or the simpleton believers in ancient aliens need not apply. If, however, you achieved a proper academic attainment - got your Masters or PhD and enjoy intellectual stimulation, this is a rare gem, to be digested slowly and deliberately, as no similar book is to be encountered any time soon. In other words, just a great book, presenting fascinating thoughts. It does not need anyone’s endorsement, as it is already a well-known entity within its field, yet, here it is – very heartily recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2017

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