The Bordo 1-3/8" x 12 UNF Chrome Alloy Die Nut is part of Bordo’s professional Unified National Fine (UNF) threading tool range, engineered for reliable thread chasing, cleaning and external thread formation in workshop and on-site applications. Die nuts are specifically designed for use where button dies aren’t suitable — such as tight spaces or restricted access — making this an essential tool for automotive, mechanical and general engineering work.
Manufactured from durable chrome alloy, this die nut features a 1-3/8" diameter with 12 threads per inch (TPI) UNF specification — a fine-pitch thread form widely adopted for its improved tensile stress area and resistance to thread stripping compared with coarse thread forms. Chrome alloy construction enhances corrosion resistance and wear performance, making it ideal for chasing damaged threads or forming new external threads on non-ferrous metals and plastics.
Bordo is recognised for high-quality threading and cutting tools built to industrial standards, and Industrial Shed supplies fast access to trusted trade-grade die tools so you can tackle threading jobs confidently on site or in the workshop.
Product Type: Die Nut (Threading Die)
Brand: Bordo
Size / Thread: 1-3/8" x 12 UNF
Thread Form: Unified National Fine (UNF)
Material / Finish: Chrome Alloy
Series: Chrome Alloy Die Nut
Part Number: 4844-1.3/8
Application: Thread chasing, repair or forming external fine threads on non-ferrous metals & plastics
► Key Features
‣ 1-3/8" diameter with 12 TPI Unified National Fine thread form for fine pitch threads
‣ Chrome alloy construction provides corrosion resistance and extended service life
‣ Die nut design enables threading in confined or hard-to-reach areas
‣ Ideal for chasing, cleaning or forming external UNF threads
‣ Suitable for non-ferrous metals and plastics
► Why Tradies and Contractors Buy This
‣ Reliable fine threading solution for automotive, maintenance and fabrication work
‣ Fine pitch threads provide improved tensile stress area and resistance to stripping vs coarse threads
‣ Durable chrome alloy build stands up to regular workshop and on-site use
‣ Trusted industrial threading tooling from Bordo
‣ 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.
At Industrial Shed, we keep things simple. If something’s not right or you’re not satisfied, we’ll sort it out—fast and easy.
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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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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