DEWALT 5/16 in. x 18 NC Thread Tap Set – Carbon Steel Split Point

Description

Product Overview

The DEWALT 5/16 in. x 18 NC Thread Tap Set (model DWA1412) is engineered for the demanding needs of industrial and scientific professionals. Crafted from high‑carbon steel with a black‑oxide finish, the tap delivers exceptional wear resistance while maintaining a sharp cutting edge for consistent thread formation. The companion split‑point drill bit, also forged from high‑carbon steel, features a spiral flute design and three flutes that evacuate chips efficiently, reducing heat buildup and extending tool life.

Key specifications include a 0.31‑inch cutting diameter, a 135‑degree cutting angle, and a straight shank that fits securely into standard hand‑powered drills. The set’s compact rectangular shape (5.8 x 1.9 x 0.3 inches) and lightweight construction (0.96 ounces) make it easy to carry in a tool belt or toolbox, ensuring quick access on the job site. The brushed finish not only adds a professional aesthetic but also helps resist corrosion in harsh workshop environments.

Designed for versatility, this tap set is suitable for creating internal threads in a variety of substrates, including alloy steel, ductwork, sheet metal, PVC, and even hardwood. The patented core diameter design minimizes the risk of drill bit breakage, providing confidence when working with dense or abrasive materials. Whether you are assembling mechanical components, installing electrical conduit, or fabricating custom brackets, the DEWALT tap set delivers the precision and reliability required for high‑quality results.

Usage

Professionals in the metalworking, electrical, and HVAC trades will find this tap set indispensable for routine maintenance and new installations. The split‑point drill initiates clean entry into the workpiece, eliminating the need for pilot holes in many cases, which speeds up the threading process and reduces material waste. When working with thin sheet metal, the 5/16‑18NC tap creates threads that are strong enough to hold fasteners without stripping, making it ideal for fabricating brackets, panels, and enclosures.

In addition to metal applications, the set performs reliably on PVC and wood, allowing contractors to consolidate tools and reduce inventory costs. The ergonomic design of the drill bit’s shank ensures a firm grip in the chuck, reducing wobble and improving accuracy during high‑speed drilling. For field technicians who must service equipment on site, the lightweight nature of the set means it can be carried alongside other essential tools without adding significant weight.

Why Choose Us

DEWALT’s reputation for durability and performance is reflected in every component of this tap set. The high‑carbon steel construction undergoes a rigorous heat‑treatment process that enhances tensile strength and reduces brittleness, ensuring the tools withstand repeated use in demanding environments. The black‑oxide coating provides an additional layer of protection against rust and corrosion, extending the lifespan of the tap and drill bit even when exposed to moisture or chemicals.

Beyond material quality, DEWALT offers a comprehensive warranty and responsive customer support that gives users peace of mind. Should any issue arise, the company’s service network is equipped to provide rapid assistance, replacement parts, or technical guidance. This commitment to after‑sales service distinguishes DEWALT from competitors and reinforces the brand’s dedication to professional users who rely on consistent tool performance.

Key Features

• High‑carbon steel tap delivers precise 5/16‑18NC threads with minimal wear.
• Split‑point drill bit starts cleanly, reducing the need for pilot holes.
• Three‑flute spiral design efficiently removes chips for smoother operation.
• Compact, lightweight design fits easily in tool belts and tight workspaces.
• DEWALT warranty and dedicated support ensure reliable after‑sales service.

FAQ

What material is the tap made from and how does it affect performance?

The tap is forged from high‑carbon steel with a black‑oxide finish. This combination provides superior hardness and wear resistance, allowing the tap to cut clean threads in hard metals while resisting corrosion and extending tool life.

Can I use the split‑point drill bit on non‑metal materials like PVC or wood?

Yes. The split‑point design works well on PVC and wood, creating clean entry points without the need for a pilot hole. The three‑flute spiral helps evacuate chips, preventing binding in softer materials.

Is this set compatible with standard hand‑powered drills?

Absolutely. The straight shank of both the tap and drill bit fits standard 3/8‑inch and 1/2‑inch drill chucks, making it compatible with most hand‑powered drills and cordless impact drivers.

What warranty does DEWALT provide for this tap set?

DEWALT offers a limited warranty that covers manufacturing defects and material failures. Customers can contact DEWALT’s support team for replacement parts or technical assistance, ensuring continued productivity on the job.

How many pieces are included in the package?

The package contains one 5/16‑18NC tap and one matching split‑point drill bit, providing a complete solution for creating internal threads in a variety of materials.