The Bordo 5/16" x 18 BSW Taper HSS Tap is part of Bordo’s professional British Standard Whitworth threading range, engineered for accurate internal thread cutting in workshop, maintenance and restoration applications. Designed for reliable performance, this taper tap is ideal for starting BSW threads in traditional machinery, automotive and general engineering work.
Manufactured from premium High Speed Steel (HSS), this tap features the 55° Whitworth thread profile with rounded crests and roots for correct BSW thread form and smooth engagement. The taper lead design provides a gradual cutting action over the first threads, allowing easier alignment and controlled thread starting. The 5/16" x 18 TPI size is commonly used in older British machinery, automotive components and equipment requiring Whitworth fasteners.
Bordo is trusted across Australia for producing dependable industrial cutting and threading tools built to professional trade standards. Industrial Shed ensures fast access to quality HSS taps so you can confidently complete BSW threading tasks on site or in the workshop.
Product Type: BSW Taper Tap
Brand: Bordo
Size: 5/16"
Threads Per Inch (TPI): 18
Thread Type: British Standard Whitworth (BSW) – 55° thread angle
Material: High Speed Steel (HSS)
Style: Taper (Lead Tap)
Part Number: 3028-5/16T
Application: Starting and cutting internal BSW threads in steel & general engineering materials
► Key Features
‣ Precision 5/16" x 18 TPI BSW thread profile for accurate internal threads
‣ 55° Whitworth thread form with rounded crests and roots
‣ Taper lead design for easier alignment and smooth thread starting
‣ Premium High Speed Steel construction for durability and wear resistance
‣ Suitable for hand tapping in workshop, maintenance and restoration applications
► Why Tradies and Contractors Buy This
‣ Ideal for maintaining and restoring British machinery and equipment
‣ Reliable performance when cutting traditional Whitworth threads
‣ Strong, accurate thread formation in steel and general materials
‣ Trusted Australian industrial tooling brand
‣ 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:
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For more information, visit Returns & Refunds: Straight Talk.
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