The Bordo 4 x 0.66 BA Intermediate HSS Tap is a precision threading tool engineered for cutting British Association (BA) internal fine threads in light engineering, instrumentation and electrical applications. Designed for controlled and accurate thread formation, this intermediate tap delivers balanced performance for general-purpose BA threading tasks.
Manufactured from premium High Speed Steel (HSS), this tap provides excellent strength, wear resistance and consistent cutting performance in workshop environments. The 4 BA thread size with a 0.66 mm pitch is commonly used in precision assemblies, small fasteners, model making and fine mechanical components. Featuring an intermediate lead (approximately four threads), this tap offers easier engagement than a bottoming tap while delivering accurate, true-to-hole thread finishing. Suitable for hand and light machine tapping in materials such as mild steel, brass, aluminium and plastics.
Bordo is trusted for producing high-quality trade and precision threading tools built to professional standards. Industrial Shed ensures fast access to reliable BA taps so you’re equipped for fine-thread applications in the workshop or on site.
Product Type: HSS Tap (Intermediate)
Brand: Bordo
Thread Type: BA (British Association)
Size: 4 BA x 0.66 mm Pitch
Material: High Speed Steel (HSS)
Lead: Intermediate (4 threads lead)
Thread Form: BA Fine Thread
Part Number: 3044-4I
Application: Precision internal threading for light engineering, electrical & instrumentation work
► Key Features
‣ Standard 4 BA fine thread size with 0.66 mm pitch
‣ Intermediate lead design for balanced thread starting and finishing
‣ High Speed Steel construction for durability and long service life
‣ Ideal for precision mechanical and instrumentation applications
‣ Suitable for hand and light machine tapping operations
► Why Tradies and Contractors Buy This
‣ Produces clean, accurate BA fine threads
‣ Balanced lead ideal for general-purpose fine threading
‣ Durable HSS build suited to repeated workshop use
‣ Essential for model making and small fastener assemblies
‣ Backed by Industrial Shed’s fast dispatch and trade support
► Stock won’t last — get yours now at Industrial Shed!
At Industrial Shed, we know you need your gear fast and without the runaround. Here’s what makes our shipping better:
Local Delivery, Done In-House: If you're on the Mornington Peninsula, we handle delivery ourselves—no middlemen, no delays. Get your tools the same day or next day, straight from our team to your door.
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For more information, visit Shipping Details: The Essentials.
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What Sets Us Apart?
Fast Turnaround: We don’t mess around. When you need to return an item, we process it quickly so you’re not left waiting. Our goal is to get your refund or exchange sorted fast so you can get back to work.
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No-Nonsense Support: We make returns and refunds straightforward. If there’s a problem, you won’t be stuck in endless back-and-forths. We’re hands-on and get it sorted with minimal hassle.
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Built for Tradies: We understand the demands of the job, so we’re all about making returns and refunds simple, quick, and no fuss—because downtime is the last thing you need.
For more information, visit Returns & Refunds: Straight Talk.
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