OSG Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 2 Flute
The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 1650501608) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 2 flutes. 3G Electric interprets…
SKU 3G-OTH-218586
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 1650501608) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 2 flutes. 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 1650501608 used for?
The OSG spiral flute tap 1650501608 is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general machining applications.
What are the specifications of the OSG spiral flute tap 1650501608?
This OSG tap has a 1/4\"-20 UNC thread size, H5 / 2B-3B tolerance class, 2 flutes, and a modified bottoming chamfer. The manufacturer part number is 1650501608. It is a spiral flute tap optimized for threading blind holes in steel and stainless steel materials.
Where to buy the OSG spiral flute tap 1650501608 worldwide?
You can source the OSG spiral flute tap 1650501608 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 procurement teams and engineers globally.
How to select the correct OSG spiral flute tap for blind holes?
For blind holes in steel or stainless steel, choose a spiral flute tap like the OSG 1650501608 with a modified bottoming chamfer to thread close to the hole bottom. Ensure the tap size matches your thread specification (e.g., 1/4\"-20 UNC) and tolerance class (H5 / 2B-3B). Use proper cutting fluid and pecking cycles to clear chips.
Used in
Common applications for OSGOSG Products
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.















