OSG Extension Tap: M18x1 Metric, D5 / 4H-6H, 4 Flute, Plug Chamfer
The OSG Extension Tap (M18x1 Metric) is a spiral-point extension tap for multiple materials, featuring a D5 / 4H-6H tolerance, 4-flute design, plug chamfer, and V coated powdered metal construction (MPN 1653008008)…
SKU 3G-OTH-402422
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Product Description
The OSG Extension Tap (M18x1 Metric) is a spiral-point extension tap for multiple materials, featuring a D5 / 4H-6H tolerance, 4-flute design, plug chamfer, and V coated powdered metal construction (MPN 1653008008). 3G Electric interprets this demand and sources the genuine OSG product, supporting your operation across 14 industrial departments with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is an OSG extension tap used for?
An OSG extension tap is used to cut internal threads in hard-to-reach or deep-hole applications across multiple materials. The M18x1 metric size with plug chamfer and V coated powdered metal construction provides durability and precision in machining, automotive, and general manufacturing industries.
What are the specifications of the OSG extension tap M18x1?
This OSG extension tap has a metric thread size of M18x1, a D5 / 4H-6H tolerance class, 4 flutes, and a plug chamfer. It is made of V coated powdered metal, with manufacturer part number 1653008008. The design supports threading in deep or obstructed locations.
Where to buy OSG extension taps worldwide?
3G Electric supplies OSG extension taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine OSG cutting tools like the M18x1 D5 / 4H-6H tap. Contact us for availability and lead time to your location.
How to select the right OSG extension tap for deep-hole threading?
Select an OSG extension tap based on thread size, material, and reach required. For deep-hole threading, choose a plug chamfer for through holes and ensure the tap length exceeds the hole depth. The V coated powdered metal construction suits harder materials, while the D5 / 4H-6H tolerance ensures precise fit.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point extension taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















