OSG Extension Tap: M16x1.5 Metric, D6 / 4H-6H, 3 Flute
The OSG Extension Tap (M16x1.5 Metric) is a spiral-flute tap for multiple materials, featuring a D6 / 4H-6H tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1652007508). This tool is designed for threading…
SKU 3G-OTH-311753
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Product Description
The OSG Extension Tap (M16x1.5 Metric) is a spiral-flute tap for multiple materials, featuring a D6 / 4H-6H tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1652007508). This tool is designed for threading applications requiring extended reach and chip evacuation.
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. The M16x1.5 metric size with a modified bottoming chamfer allows threading close to the bottom of a blind hole, common in automotive, aerospace, and general machining.
What are the specifications of the OSG M16x1.5 extension tap?
This OSG extension tap has a M16x1.5 metric thread, D6 / 4H-6H tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for multiple materials and features a spiral-flute geometry for efficient chip evacuation. The manufacturer part number is 1652007508.
Where to buy OSG extension taps worldwide?
3G Electric supplies OSG extension taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine OSG cutting tools like the M16x1.5 spiral-flute tap to any destination. Contact us for availability and lead time.
How to select the right OSG extension tap for deep-hole threading?
Select an OSG extension tap based on thread size, pitch, chamfer type, and flute design. For blind holes, a modified bottoming chamfer like this M16x1.5 tap allows threading closer to the bottom. Match the tap tolerance (D6 / 4H-6H) to your required thread class and material.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute extension taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















