SKU: 41989076446

Hillman 5/8 in. Diameter x 3-1/2 in. Length Zinc-Plated Steel Hex Bolt, 25-Pack

Sale price$43.19 Regular price$47.99
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

Hillman 5/8 in. Diameter x 3-1/2 in. Length Zinc-Plated Steel Hex Bolt, 25-PackHillman 5 8 in x 3 1 2 in Zinc Plated Steel Hex Bolt (25 Pack) Durable Grade 2 steel hex bolts with a zinc plated finish for corrosion resistance in general construction and repair. Coarse thread, partially threaded shank provides strong clamping force in wood, metal, and mixed material applications. Key Features: General Purpose Strength: Grade 2 steel suitable for most everyday fastening tasks Corrosion Resistance: Zinc plated finish helps prevent

Hillman 5/8 in x 3-1/2 in Zinc-Plated Steel Hex Bolt (25-Pack)

Durable Grade 2 steel hex bolts with a zinc-plated finish for corrosion resistance in general construction and repair. Coarse-thread, partially threaded shank provides strong clamping force in wood, metal, and mixed-material applications.


Key Features:

  • General-Purpose Strength: Grade 2 steel suitable for most everyday fastening tasks
  • Corrosion Resistance: Zinc-plated finish helps prevent rust in typical environments
  • Secure Grip: Partially threaded shank reduces shear movement between materials
  • Versatile Applications: Ideal for wood-to-wood, wood-to-metal, and metal-to-metal connections
  • Bulk Convenience: 25-pack for jobsite efficiency and replenishment

Specifications Table:

Specification Details
Brand Name Hillman
Finish Zinc Plated
Grade Grade 2
Head Diameter 5/8 inch
Length 3-1/2 inch
Material Steel
Number in Package 25
Packaging Type Boxed
Thread Type Coarse
Unit of Measurement Imperial
Package Height 3.2 in
Package Width 4.3 in
Package Length 5.3 in
Package Weight 9 lbs

Frequently Asked Questions (FAQ):

Q: Are these bolts fully threaded?
A: No. They have a partially threaded shank to improve grip and reduce shear movement.


Q: What thread type do these use?
A: Coarse thread, suitable for general fastening applications.


Q: Can I use these outdoors?
A: The zinc plating offers corrosion resistance for typical use; for harsh or marine environments, consider higher-grade or galvanized options.


Q: Which washers and nuts should I pair with these?
A: Use Grade 2 components with matching zinc-plated finish and the correct 5/8 in size.


Q: Do I need to pre-drill holes?
A: Yes, pre-drilling is recommended to ensure proper fit and to prevent splitting in wood.


Streamlined Utility with Polished Resilience

A zinc-plated hex bolt brings crisp, functional elegance to structural details, offering a subtle sheen that complements modern hardware palettes. The partially threaded shank is a quiet design hero—delivering strength and stability where it matters. Style it with matching zinc hardware for a cohesive, refined look across cabinetry or architectural accents. It’s a small detail that elevates everyday construction into luxurious order.


Secure your projects with reliable, corrosion-resistant strength—add this Hillman 25-pack to your toolkit today.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 41989076446

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A
Verified Purchase
Alan G
Boise, US
★★★★★ 5
High-Quality 12 AWG Silicone Wire — Perfect for Battery Projects
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
I bought the BNTECHGO 12 Gauge Silicone Wire (10 ft red and 10 ft black) to wire my battery power box, and it has worked flawlessly. BNTECHGO wire has always been reliable for me, and this set is no exception — very flexible, durable, and easy to work with. I’ve purchased numerous other gauges and colors from BNTECHGO, and I continue to be very happy with the quality. I would definitely buy again. Important Note: The amperage rating depends on your wire gauge and your specific application. Make sure to size your wire appropriately based on the current requirements of your project to avoid overheating or damage. Potential Uses: Wiring battery power boxes or DIY power systems Automotive, RV, or marine electrical projects Solar panel or off-grid power setups Ham radio or portable electronics wiring LED lighting and audio equipment wiring Hobby electronics and custom projects Key Features: 12 AWG stranded tinned copper for excellent conductivity Silicone insulation for extreme flexibility and heat resistance 10 ft red and 10 ft black for positive/negative wiring High-quality, durable construction for long-lasting use Flexible enough to route through tight spaces without kinking Resistant to high temperatures, abrasion, and bending Disclaimer: This review reflects my personal experience only and is not professional electrical advice. Always follow proper safety procedures and ensure your wire is properly sized for your application’s voltage and current requirements.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 2, 2025
O
Verified Purchase
Ohio guy
Pawtucket, US
★★★★★ 5
Very high quality for a fair price!
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
I just can't say enough good about this wire! It's really high quality stuff, so much so that I was impressed enough to write another review and buy more! Yeah it's really that good considering you don't see this type of wire around much. Good stuff!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026
D
Verified Purchase
David Crist
Louisville, US
★★★★★ 5
Top notch quality copper and cold flexibility.
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
This is what you need for most 13.8 Volt power pigtails on portable ham radios. They will safely handle over 200 watts in most applications and the wire is flexible in the cold. I have set it outside as a reality check when it was 18.3F degrees and it flexes essentially the same as at room temperature. The copper itself is very fine strands and will likely never fail from normal use flexing. It solders easily with my 40 watt soldering iron. I will not hesitate to buy more if I need it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 22, 2025
J
Verified Purchase
John_in_LA
Carnegie, US
★★★★★ 5
Excellent wire! Flexible and easy to solder.
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
This wire is great! I echo the other reviews indicating that the insulation and wire are very flexible and easy to solder. I have had wire that makes you question your ability to solder. Then there is wire like this that makes it so easy!
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Reviewed in the United States on July 8, 2025
A
Verified Purchase
Allen webber
San Leandro, US
★★★★★ 4
Quality affordable
Size: 12 silicone wire red 10ft and black 10ft, Color: silicone wire red and black
Quality product at a great price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026

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