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Concrete Screws
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  5. Concrete Screws
  6. RedHead LDT-1240 Large…
RedHead

RedHead LDT-1240 Large Diameter Tapcon Concrete Anchor 1/2-Inch x 4-Inch (25-Pack) | Cuts Own Threads

RedHead LDT-1240 Large Diameter Tapcon Concrete Anchor 1/2-Inch x 4-Inch (25-Pack) | Cuts Own Threads - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹15,440₹18,480

You save ₹3,040 (16%)

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RedHead LDT-1240 Large Diameter Tapcon Concrete Anchor 1/2-Inch x 4-Inch (25-Pack) | Cuts Own Threads — Blue
Blue
₹15,440
₹18,480
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Estimated doorstep delivery by 5 Nov - 7 Nov from USA

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Secure Concrete Fastening, Faster Installation

About this item

RedHead LDT-1240 Large Diameter Tapcon anchors offer a high-performance solution for concrete fastening. These 1/2-inch diameter, 4-inch length anchors cut their own threads directly into concrete, significantly reducing installation time compared to traditional mechanical or adhesive anchors. The hardened carbon steel bodies are zinc-plated for enhanced durability and corrosion resistance, ensuring a long service life.

Featuring a finished hex washer head with anti-rotation serrations, these anchors prevent back-out and maintain a secure hold. A length identification code stamped on the head simplifies inspection. Installation is straightforward: drill a pilot hole using standard carbide-tipped bits and drive the anchor by hand or impact tool. The single-piece design eliminates the need for separate nuts and washers, and the increased thread engagement provides superior pullout resistance and higher loads in shallow embedments.

Imported from authorized US retailers, these anchors offer a reliable alternative to local options. They are designed for easy removal without grinding or torching. The 25-pack provides ample supply for multiple projects. All customs duties and GST are included in the price, with delivery via ExpressBox tracked shipping to your pincode within 12-14 days.

Key Features

  • Cuts it's Own Threads into Concrete
  • Anchor Bodies are Made of Hardened Carbon Steel and Zinc Plated, Grade 11
  • Finished Hex Washer Head, with Anti-Rotation Serrations
  • Anchor is Stamped with a Length Identification Code
  • Use Standard Drill Bits

Why choose this product

Superior Concrete Fastening Performance

RedHead Large Diameter Tapcon anchors provide a robust and efficient fastening solution for concrete. Their unique thread-cutting design simplifies installation, saving valuable time on job sites. Made from hardened carbon steel with zinc plating, these anchors resist corrosion and offer high pullout resistance. The anti-rotation serrations on the hex washer head ensure a secure fit, preventing loosening over time. Unlike some local alternatives that may require specialized tools or offer lower load capacities, these USA-sourced anchors are engineered for reliability and ease of use, making them ideal for demanding construction and DIY projects.

Ideal for Professionals and DIYers

These anchors are perfect for anyone needing to securely fasten items to concrete, such as mounting fixtures, shelves, or equipment. They are particularly beneficial for projects requiring quick installation and high holding power in shallow embedments. However, individuals working with very soft or brittle concrete might consider anchors specifically designed for such materials, as excessive torque could potentially damage the substrate. For standard concrete applications, these RedHead anchors offer a reliable and efficient choice.

How to use

  • Drill Pilot Hole — Using a 7/16-inch (11.1 mm) carbide-tipped hammer drill bit, drill a hole into the concrete to the required depth. Ensure the hole is clean and free of dust for optimal anchor performance.
  • Drive the Anchor — Insert the RedHead LDT-1240 anchor into the pilot hole. Use a hand tool or impact driver with a 3/4-inch socket to drive the anchor until the hex washer head is flush with the surface.
  • Secure Fastening — The anchor's self-tapping design creates a secure thread engagement within the concrete. The anti-rotation serrations on the head prevent it from backing out, ensuring a stable and reliable hold.

Example scenarios

Typical situations where RedHead LDT-1240 Large Diameter Tapcon Concrete Anchor 1/2-Inch x 4-Inch (25-Pack) | Cuts Own Threads helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

Mounting heavy-duty equipment or structural components to concrete foundations in Indian construction sites.

How this product helps

The RedHead LDT-1240 anchors provide high load capacity and fast installation, ideal for securing machinery or structural elements to concrete. Their hardened steel construction ensures durability for demanding professional use.

2
Scenario 2
Illustrative example
Where it helps

DIY projects like installing heavy shelving units or outdoor structures onto concrete patios or walls in Indian homes.

How this product helps

These anchors simplify DIY concrete fastening by cutting their own threads, eliminating the need for nuts and washers. Their ease of use and strong holding power make them suitable for securing substantial items securely.

Specifications & installation

Installation & usage

Specific UseConcrete
Installation MethodDrill pilot hole (7/16" bit), then drive anchor with hand or impact tool.
Recommended Drill BitCarbide-tipped, 7/16 inch (11.1 mm) diameter, per ANSI B212.15-1994
Cost per anchor25 anchors at ₹15,440 — ₹618 per anchor
ContraindicationsNot recommended for very soft or brittle concrete without substrate testing.

How we compare

FeatureRedHead LDT-1240 LargeOthers
Thread CuttingCuts own threads into concrete; installs faster.Many local anchors require pre-tapped holes or specific inserts; installation can be slower.
Material & FinishHardened carbon steel, zinc-plated for corrosion resistance.Varies; some local options may use lower-grade steel or less durable plating.
Installation SpeedOver 50% faster than wedge/adhesive anchors; uses standard drill bits.Installation times vary widely; some may require specialized tools or multiple components.
Holding PowerHigh loads in shallow embedments; anti-rotation serrations.Holding power varies by type; some mechanical anchors may require deeper embedment.

Product details

SKUjsj8182
GTIN0662520082517
BrandRedHead
Part NumberLDT-1240
Anchor Diameter1/2 inch (12.7 mm)
Effective Length4 inches (101.6 mm)
Drill Bit Diameter7/16 inch (11.1 mm)
Max. Thickness of Material to be Fastened2 inches (50.8 mm)
MaterialHardened Carbon Steel, Zinc Plated
Head TypeHex Washer Head with Anti-Rotation Serrations
Thread CoverageFully Threaded
ColorBlue (Plating)
Socket Size3/4 inch
Quantity per Box25
Item Weight5.92 pounds (2.71 kg)
Country of OriginNot stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

About RedHead

RedHead is a trusted brand known for high-quality fasteners and construction tools, engineered for durability and performance in demanding applications.

Compliance & Legal

No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.

Customer Reviews

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FAQ, See What Others Asked

How do I choose the right size RedHead Tapcon anchor?
Select the RedHead LDT-1240 anchor for 1/2-inch diameter fastening needs. Ensure the 4-inch length is appropriate for your material thickness (up to 2 inches). Use a 7/16-inch carbide-tipped drill bit for the pilot hole. The anchor's thread-cutting design simplifies installation into concrete.
What is the difference between RedHead Tapcon anchors and standard screws?
RedHead Tapcon anchors are specifically designed to cut their own threads directly into concrete, unlike standard screws which require a pre-tapped hole. They are made from hardened carbon steel with zinc plating for superior strength and corrosion resistance in concrete applications.
Can I use these RedHead anchors in brick or block?
These RedHead Large Diameter Tapcon anchors are specifically designed for use in solid concrete. For brick or hollow block applications, different types of anchors such as sleeve anchors or toggle bolts are typically recommended to ensure proper holding power and safety.
How to install RedHead LDT-1240 anchors easily?
Drill a pilot hole using a 7/16-inch carbide-tipped drill bit. Then, simply drive the RedHead LDT-1240 anchor into the concrete using a hand tool or impact driver. The anchor cuts its own threads, making installation quick and efficient.
Are these RedHead anchors suitable for outdoor use in India?
Yes, the RedHead LDT-1240 anchors are made of hardened carbon steel and zinc-plated, offering good corrosion resistance for outdoor applications. However, in highly humid or coastal Indian environments, prolonged exposure may eventually lead to surface rust over time.
How to buy original RedHead Tapcon anchors in India?
Purchase RedHead LDT-1240 anchors from authorized US retailers and authorized brand partners exclusively imported for you by CrowCrowCrow. They are factory-sealed and imported per order, with all customs duties and GST included. Delivery is via ExpressBox tracked shipping within 12-14 days.

Frequently bought together

RedHead LDT-1240 Large Diameter Tapcon Concrete Anchor 1/2-Inch x 4-Inch (25-Pack) | Cuts Own Threads

This item:

RedHead LDT-1240 Large Diameter Tapcon Concrete Anchor 1/2-Inch x 4-Inch (25-Pack) | Cuts Own Threads

₹15,440

RedHead LDT-1240 Large Diameter Tapcon Concrete Anchor 1/2-Inch x 4-Inch (25-Pack) | Cuts Own Threads

This item

RedHead LDT-1240 Large Diameter Tapcon Concrete Anchor 1/2-Inch x 4-Inch (25-Pack) | Cuts Own Threads

₹15,440

Total price:

₹20,700

You save ₹5,990 (22%) Extra

3 items selected

3 items

₹20,700

You save ₹5,990 (22%) Extra

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Spec
Price
₹15,440
₹18,480
₹3,530
₹5,450
₹1,730
₹2,760
₹2,310
₹3,930
₹1,950
₹3,120
₹4,340
₹5,930
₹9,230
₹14,300
Brand NameRedHeadQuartetuxcellALKOOSmartSignGORILLASmart Weigh
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹15,440₹18,480

You Save ₹3,040

Estimated doorstep delivery by 5 Nov - 7 Nov from USA
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USA Warehouse dispatch
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₹46,320+ (3× the price)
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