Irwin 5/16″-18 NC HCS Fractional Tap – Carded (8127)

Description

The Irwin 5/16″-18 NC HCS Fractional Tap – Carded (8127) is a dependable and efficient tool for creating internal threads in a variety of materials. As a plug tap, it is specifically designed for general-purpose applications in routine maintenance and repair work. Crafted from high-carbon steel (HCS), this tap provides the necessary durability for hand-threading tasks. The tap’s straight flutes are carefully ground to ensure rapid chip removal, which is essential for a clean and efficient threading process. It is sized to create a 5/16″-18 NC thread, which is a common National Coarse thread, and it consistently produces a Class 2B thread fit. This makes it an ideal choice for situations where precision is important but high accuracy is not critical. The Irwin 8127 is an essential tool for any toolbox, whether you are a professional tradesperson or a hobbyist, providing a reliable solution for your threading needs.

KEY FEATURES AND BENEFITS:

• Creates Standard Threads: This tap produces a 5/16″-18 National Coarse (NC) thread, a widely used standard in many applications. This allows you to easily create compatible threads for bolts and screws of the same size.
• Efficient Chip Removal: The straight flutes are designed to quickly and effectively clear chips from the hole, preventing clogging and ensuring a smoother, more efficient threading operation.
• Designed for Hand Use: The tap is optimized for use with a tap wrench, giving you full control for manual threading in different materials, making it a versatile tool for various repair and maintenance jobs.
• General Purpose Application: As a plug tap, it features a chamfer that makes it suitable for starting threads in a variety of materials and is perfect for tasks where you do not need to thread to the very bottom of a blind hole.
• Reliable Thread Fit: It produces a Class 2B thread, which is a standard fit for general use, providing a balance of tolerance and strength that is suitable for most maintenance and repair work.

SPECIFICATIONS:

• Thread Size: 5/16″ – 18 NC
• Thread Type: NC Plug Tap
• Material: High Carbon Steel (HCS)
• Flutes: 4, Straight Flutes
• Thread Direction: Right-Hand
• Measurement System: SAE / Inch
• Thread Class: 2B

HOW TO USE:

1. Prepare the Hole: Ensure the hole is drilled to the correct size for a 5/16″-18 NC thread. Clean the hole of any debris or chips.
2. Apply Cutting Fluid: Apply a small amount of cutting oil to both the tap and the hole to reduce friction, prevent tool wear, and improve the quality of the thread.
3. Align the Tap: Insert the tap into the hole, making sure it is perfectly straight and aligned with the hole’s axis. Using a tap wrench will help maintain a consistent, perpendicular angle.
4. Start Threading: Begin turning the tap clockwise with the tap wrench. Apply firm, steady pressure. After a few turns, back the tap out a quarter turn to break off the chips and prevent them from jamming.
5. Continue Tapping: Continue turning the tap clockwise, periodically reversing to break and clear chips, until you have reached the desired thread depth.
6. Remove the Tap: Once complete, carefully turn the tap counter-clockwise to remove it from the newly threaded hole. Clean the hole again to remove any remaining chips.

BENEFITS OF USING IRWIN 5/16″-18 NC HCS FRACTIONAL TAP – CARDED (8127):

• Provides a reliable and cost-effective solution for creating and repairing internal threads.
• High-carbon steel construction offers the necessary hardness for threading a variety of materials, from steel to aluminum.
• Plug tap design makes it easy to start a new thread and is versatile for many different applications.
• Straight flute design ensures waste material is efficiently removed from the workpiece to prevent thread damage.
• Improves the overall quality of the thread for better performance.
• Perfect addition to any workshop for dependable hand-threading.

FEATURES:

• Constructed from durable high carbon steel for extended lifespan.
• Plug-style chamfer suitable for versatile threading tasks.
• Straight flutes designed for improved chip removal.
• Standard right-hand threading for common applications.
• Optimized for manual threading with a tap wrench.
• Produces a consistent Class 2B thread fit.
• Ideal for maintenance, repair, and general-purpose threading.
• Compatible with multiple material types.