Metallics 1/4 x 1 Inch Hammer ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$87.47
Metallics JNA141 Anchors 1/4 X 1 Hmmr Nail-In Ancr St-zn (Jar 100)

Metallics 1/4 x 1 Inch Hammer Drive Nail-In Anchors Steel Zinc Plated - 100 Pack Jar

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Model: JNA141
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Metallics 1/4 x 1 Inch Hammer Drive Nail-In Anchors Steel Zinc Plated - 100 Pack Jar

Professional Fastening Solutions for Concrete and Masonry Applications

Metallics hammer drive nail-in anchors provide reliable fastening performance for concrete and masonry installations. These 1/4 x 1 inch steel anchors feature zinc plating for corrosion resistance and come conveniently packaged in a 100-piece jar for professional contractors and maintenance applications.

Professional Features & Benefits

  • 1/4 x 1 Inch Size: Optimal dimensions for standard fastening applications in concrete and masonry substrates.
  • Steel Construction: Provides superior holding strength and durability for demanding installation requirements.
  • Zinc Plated Finish: Offers enhanced corrosion resistance for extended service life in various environmental conditions.
  • Hammer Drive Design: Enables quick and efficient installation with standard hammer tools for improved productivity.
  • 100-Piece Jar Packaging: Convenient bulk quantity reduces restocking frequency and provides excellent value for professional applications.
  • Nail-In Installation: Simplifies fastening process without requiring pre-drilling in most concrete applications.

Technical Specifications

  • Department: Electrical
  • Division: Electrical H1
  • Pack Type: Jar
  • Product Family: Electrical Supplies
  • Product Group: Fasteners
  • Product Subgroup: Anchors
  • Sub Division: Electrical-E H2

Professional Applications

  • Electrical Equipment Mounting
  • Conduit and Raceway Support Systems
  • Junction Box and Panel Installation
  • Cable Tray and Support Bracket Mounting
  • Commercial and Industrial Electrical Projects
  • Maintenance and Repair Operations
  • Concrete and Masonry Fastening Applications

Why Choose Metallics Quality?

Metallics delivers dependable fastening solutions engineered for professional electrical applications. The zinc plated finish and steel construction ensure reliable performance and longevity, while the convenient jar packaging supports efficient project completion and inventory management.

Manufacturer Resources

Product Specs

Division:
Electrical H1
Pack Type:
Jar
Product Group:
Fasteners
Sub Division:
Electrical-E H2
Department:
Electrical
Product Subgroup:
Anchors

Metallics JNA141 – Frequently Asked Questions

1) What size hole do I drill for a 1/4 x 1 inch hammer drive nail-in anchor?
A 1/4 inch nail-in anchor seats in a 1/4 inch hole. The Metallics JNA141 is a 1/4 x 1 inch anchor, so drill 1/4 inch with a masonry bit and go slightly deeper than the 1 inch anchor length so dust at the bottom of the hole doesn't stop the pin from driving fully.
2) Are hammer drive nail-in anchors strong enough for conduit and panel mounting?
They're intended for it. Metallics lists electrical equipment mounting, conduit and raceway support, junction box and panel installation, and cable tray and bracket mounting as applications for the JNA141 anchor. These are light to medium duty fasteners for static loads. For heavy suspended equipment or anything subject to vibration or pullout, use a wedge or sleeve anchor you can torque and verify instead.
3) Will a nail-in anchor work in hollow block or drywall?
No. The JNA141 is a 1/4 x 1 inch anchor for solid concrete and masonry substrates, where the driven pin can expand against solid material. In hollow block webs, hollow brick, or gypsum board there is nothing for it to bear on. Use a toggle or hollow wall anchor in those bases, and in block aim for the solid mortar joint or the web, not the void.
4) How thick a fixture can I mount with a 1 inch nail-in anchor?
The 1 inch length on the Metallics JNA141 is the total anchor length, so whatever your strap, bracket or box flange thickness is comes off the embedment. With thin sheet metal, like a conduit strap or a one-hole clamp, you still get most of the inch in the concrete. For thicker standoffs or wood blocking, step up to a longer nail-in anchor instead of accepting shallow embedment.
5) Can I really install these without pre-drilling?
In most concrete you still drill. Metallics describes the nail-in design as simplifying fastening without pre-drilling in most concrete applications, but the practical method for cured concrete and block is to drill a 1/4 inch hole, drop the anchor through the fixture, and drive the pin home with a hammer. No wrench, no expansion torque to set.
6) Will zinc plated nail-in anchors hold up outdoors or in a damp mechanical room?
The steel body is zinc plated for corrosion resistance, which covers interior work and damp or occasionally wet locations like garages and mechanical rooms. For continuous exterior exposure, coastal air, or anywhere washdown chemicals are present, specify a stainless anchor rather than zinc plated steel.
7) Can these anchors be removed if I need to relocate a strap?
Not cleanly. A hammer drive nail-in anchor is a permanent fastener, the driven pin expands the body in the hole and there is no head to back out. To relocate, cut or grind the head flush and drill a new hole. If you expect to move or service the fixture, use a screw anchor or a threaded insert instead of the JNA141.
8) How many anchors come in a jar and what is the Metallics part number?
Metallics part number JNA141 is the 1/4 x 1 inch hammer drive nail-in anchor, supplied 100 pieces to a jar. The jar pack is the reorder unit, useful for stocking a van or an MRO shelf where crews pull a handful at a time.
How fast can I get the Metallics JNA141 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Metallics JNA141 come with a warranty?
Absolutely. The Metallics JNA141 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Metallics JNA141?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Metallics JNA141 from ZenSupply?
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