OSG Spiral Flute Tap: 5/8"-11 UNC, H5 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (5/8"-11 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes (MPN 1650504008). 3G Electric interprets…
SKU 3G-OTH-217899
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Product Description
The OSG Spiral Flute Tap (5/8"-11 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes (MPN 1650504008). 3G Electric interprets this demand and sources the genuine OSG product, backed by specialist expertise across 14 industrial departments.
Frequently Asked Questions
What is the OSG spiral flute tap 1650504008 used for?
The OSG spiral flute tap 1650504008 is designed for threading blind holes in steel and stainless steel. Its spiral flute design lifts chips upward, preventing clogging in deep or blind holes. It is commonly used in automotive, aerospace, and general manufacturing applications requiring precise internal threads.
What are the specifications of the OSG spiral flute tap 1650504008?
This OSG tap has a thread size of 5/8"-11 UNC, with an H5 tolerance class suitable for 2B-3B fit. It features 3 flutes and a modified bottoming chamfer for threading close to the bottom of blind holes. The manufacturer part number is 1650504008.
Where to buy the OSG spiral flute tap 1650504008 worldwide?
You can source the OSG spiral flute tap 1650504008 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 this tap to customers across industries.
How to select the correct OSG spiral flute tap for steel?
For steel and stainless steel, choose a spiral flute tap like the OSG 1650504008 with a modified bottoming chamfer for blind holes. Ensure the thread size (5/8"-11 UNC) and tolerance (H5) match your application. Use appropriate cutting fluid and machine speed per OSG recommendations for optimal thread quality.
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3G Electric supplies OSG spiral-flute taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














