OSG Extension Tap: M8x1.25 Metric, D5 / 4H-6H, 3 Flute, Plug Chamfer
The OSG Extension Tap (M8x1.25 Metric) is a spiral-point extension tap with a D5 / 4H-6H tolerance, plug chamfer, and black oxide high-speed steel construction. It features 3 flutes and is identified by manufacturer…
SKU 3G-OTH-313652
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Product Description
The OSG Extension Tap (M8x1.25 Metric) is a spiral-point extension tap with a D5 / 4H-6H tolerance, plug chamfer, and black oxide high-speed steel construction. It features 3 flutes and is identified by manufacturer part number 1111800801.
Frequently Asked Questions
What is the OSG Extension Tap M8x1.25 used for?
The OSG Extension Tap M8x1.25 is used for threading blind or deep holes in metal parts where standard taps cannot reach. It is common in automotive, aerospace, and general machining applications requiring precise metric threads in hard-to-access locations.
What are the specifications of the OSG Extension Tap M8x1.25?
This OSG tap has a metric thread size of M8x1.25, a D5 / 4H-6H tolerance class, 3 flutes, a plug chamfer, and is made from black oxide high-speed steel. The manufacturer part number is 1111800801. It is designed for threading steel and alloys.
Where to buy the OSG Extension Tap M8x1.25 worldwide?
You can source the OSG Extension Tap M8x1.25 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the correct OSG extension tap for deep hole threading?
Select an OSG extension tap based on thread size (e.g., M8x1.25), hole depth, material (black oxide HSS for steel), and chamfer type (plug for general use). Ensure the tap's reach exceeds the hole depth. For tight tolerances, choose D5 / 4H-6H class.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
