Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - BSP - 7/8 x 14

When the job demands a precise, durable repair for BSP 7/8 x 14 threads, the Baer Heli Coil Tap delivers. This Bottoming Tap (STI) is specifically engineered to create an oversize thread that accommodates wire thread inserts with flawless alignment and lasting strength. Built for heavy-duty use, it’s the reliable tool you reach for again and again when you need to restore parameter-perfect threads in metal components.

Why the Baer Heli Coil Tap stands out

• Oversized bottoming design ensures the hole is cut to the correct diameter for wire-thread inserts, providing a clean, install-ready path every time.
• Bottoming tap (STI) geometry delivers full thread depth in blind holes, so the insert sits securely and the fastener seats properly without interference.
• Rugged HSSG construction combines toughness with wear resistance, extending life in demanding materials and reducing the need for frequent replacements.
• Precise BSP 7/8 x 14 compatibility tailors your threading for reliable gas- and liquid-tight fittings, maintenance hardware, and engineered assemblies that rely on standard British Standard Pipe threads.
• Heli-Coil / wire-thread insert friendly designed to work in harmony with standard inserts, enabling durable repairs that restore original thread strength and bolt retention.

What problems it solves

Damaged or stripped BSP threads can halt production, leak joints, or lead to costly downtime. This tap reestablishes a robust thread form that accepts a durable wire-thread insert, providing:

• Long-lasting thread repair that resists pull-out and vibration.
• Restored bolt engagement depth that mirrors the original spec for dependable assembly.
• Repair options for both through holes and blind holes where access is limited.

Ideal use cases

Mechanics, machinists, and maintenance technicians will find this tap indispensable for:

• Repairing damaged BSP 7/8 x 14 ports in hydraulic, pneumatic, or fuel systems.
• Reinforcing threaded anchors in metal housings, engine blocks, or machinery frames.
• Preparing cavities for insert installation in repair or refurbishment projects.

Usage overview

1. Select the correct pilot hole size for your BSP 7/8 x 14 tap and insert combination.
2. Align the tap perpendicular to the surface and cut using steady, even strokes with appropriate cutting fluid.
3. Complete the thread to depth with the bottoming portion to ensure full engagement for the wire-thread insert.
4. Install the wire-thread insert as specified for the chosen size, then torque the fastener to the manufacturer's clearance.

Why choose Baer for thread repair

Baer combines decades of threading expertise with a focus on durability and reliability. The Heli Coil Tap line is crafted to deliver consistent, repeatable results, enabling you to repair and reinforce critical joints without compromise. If you’re building, repairing, or maintaining equipment that relies on BSP threads, this tap is engineered to keep your work precise and your equipment up and running.

Equip your toolbox with the Baer Heli Coil Tap and restore confidence in every threaded connection.