OSG Extension Tap: M18x2 Metric, D7 / 4H-6H, 4 Flute, Plug Chamfer
The OSG Extension Tap is a spiral-point extension tap for multiple materials, with an M18x2 metric size. It features a D7 / 4H-6H tolerance, 4 flutes, a plug chamfer, and a V coated powdered metal construction (MPN…
SKU 3G-OTH-402444
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Product Description
The OSG Extension Tap is a spiral-point extension tap for multiple materials, with an M18x2 metric size. It features a D7 / 4H-6H tolerance, 4 flutes, a plug chamfer, and a V coated powdered metal construction (MPN 1653008208).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the OSG Extension Tap M18x2 used for?
The OSG Extension Tap M18x2 is designed for threading blind or deep holes in multiple materials. Its extended reach and spiral-point geometry push chips forward, making it suitable for production tapping in steel, stainless steel, and cast iron. The V coating and powdered metal construction improve wear resistance and tool life.
What are the specifications of the OSG Extension Tap M18x2?
This OSG tap has a metric thread size of M18x2, a D7 / 4H-6H tolerance class, 4 flutes, and a plug chamfer. It is made from V coated powdered metal. The manufacturer part number is 1653008208. It is a spiral-point extension tap for threading multiple materials.
Where to buy the OSG Extension Tap M18x2 worldwide?
You can source the OSG Extension Tap M18x2 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. We supply genuine OSG tooling to procurement teams and plant engineers globally.
How to select the correct OSG extension tap for deep hole threading?
Select an OSG extension tap based on thread size, pitch, and material. For M18x2 threads, ensure the tap has a plug chamfer and spiral-point design to clear chips from deep holes. The D7 / 4H-6H tolerance class provides a precise fit. Always match the coating (V coated powdered metal) to the workpiece material for optimal performance.
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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.















