The Bordo 4 x 0.7mm MC Bottoming HSS Tap is part of Bordo’s professional tapping tool range, engineered for precision internal thread cutting in workshop, fabrication and maintenance environments. Designed for tradespeople and technicians, this metric coarse bottoming tap delivers reliable performance where accurate thread depth and minimal thread run-out are essential — particularly when tapping to the bottom of blind holes. Bottoming taps are typically used after starter (taper) and intermediate taps to complete the thread profile.
Manufactured from premium High Speed Steel (HSS), this tap features a **Metric Coarse (MC)** 60° thread form with a flat crest and clearance at the root, allowing smooth engagement between internal and external threads. Bottoming taps have a lead of two threads, which enables them to cut threads with minimal run-out in the deepest portion of a hole — ideal for blind hole threading applications. The HSS construction provides strength, wear resistance and durability for use in medium-tensile materials, and the tool is suitable for both hand and general machine tapping.
Bordo is recognised for producing dependable industrial threading tools backed by quality manufacturing standards. Industrial Shed ensures you have fast access to trusted trade-grade taps when you need them on site or in the workshop.
Product Type: Bottoming HSS Tap (Hand & Machine)
Brand: Bordo
Diameter: 4 mm
Pitch: 0.7 mm
Thread Form: Metric Coarse (MC) 60°
Material: High Speed Steel (HSS)
Lead: Bottoming (2 threads)
Drill Diameter: 3.4 mm
Overall Length: 53 mm
Part Number: 3020-4.00B
Application: Completing internal threads to the bottom of blind holes in metal, plastics and workshop materials
► Key Features
‣ 4 mm diameter with 0.7 mm pitch for metric coarse internal threads
‣ Bottoming lead design ensures minimal thread run-out in blind holes
‣ Precision-ground HSS construction for strength and long-lasting wear resistance
‣ Flat crest and root clearance provide excellent thread engagement
‣ Suitable for hand or general machine tapping applications
► Why Tradies and Contractors Buy This
‣ Delivers professional-grade performance for finishing internal threads
‣ Excellent control and accuracy when tapping blind holes
‣ Designed to meet standard metric coarse thread requirements
‣ Trusted industrial tooling from Bordo
‣ Backed by Industrial Shed’s fast dispatch and trade support
► Stock won’t last — get yours now at Industrial Shed!
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