The Bordo 7 × 0.48 BA Taper HSS Tap is a precision threading tool from Bordo’s High Speed Steel (HSS) BA (British Association) tap range, engineered for cutting fine BA threads with accuracy and durability. Designed as a starting tap, its taper lead makes it ideal for initiating threads in precision equipment, metalworking and general fabrication applications where fine, controlled threads are required.
Manufactured from high quality high speed steel for toughness and long tool life, this tap features a 7 size British Association thread profile with a 0.48 mm pitch. The BA thread form was adopted by the British Association for the Advancement of Science in 1884 and is often used in precision instruments, clocks and specialised machinery due to its fine pitch and rounded crest/root geometry. The taper lead (typically eight tapered threads) helps the tap gradually engage material, reducing cutting load and improving control when starting threads in hand or general machine applications.
Bordo’s precision engineering delivers dependable performance in fine thread cutting tasks, while Industrial Shed’s fast dispatch and trade support means you’ll have the right threading solution ready when you need it.
Product Type: Taper HSS Tap
Brand: Bordo
Thread Size: 7 × 0.48 BA
Thread Form: British Association (BA)
Lead: Taper (starting lead — 8 threads)
Material: High Speed Steel (HSS)
Drill Diameter: 2.05 mm
Overall Length: 44.5 mm
Pitch (mm): 0.48
Pack Qty: 1
Application: Starting fine BA internal threads in precision equipment & general purpose tapping
► Key Features
‣ Precision 7 BA thread form with 0.48 mm pitch for fine threading
‣ Taper lead ensures smooth thread engagement and easier start-up
‣ High Speed Steel construction provides durability and toughness
‣ Suitable for hand or general machine tapping
‣ Ideal for fine pitch threads in precision instruments, metalwork and assemblies
► Why Tradies and Contractors Buy This
‣ Produces clean, accurate fine BA internal threads
‣ Taper design reduces cutting load and breakage
‣ Trusted HSS build stands up to workshop and site use
‣ Great for precision engineering, clockwork and detailed fabrication tasks
‣ Backed by Industrial Shed’s fast dispatch and trade support
► Stock won’t last — get yours now at Industrial Shed!
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