OSG Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/4"-20 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1722601). 3G Electric interprets your…
SKU 3G-OTH-217807
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Product Description
The OSG Spiral Flute Tap (1/4"-20 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1722601). 3G Electric interprets your demand for this precision threading tool, sources it from OSG, and supports your application across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor.
Frequently Asked Questions
What is the OSG spiral flute tap 1/4-20 UNC used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is ideal for automotive, aerospace, and general manufacturing applications requiring precise internal threads.
What are the specifications of the OSG spiral flute tap 1/4-20 UNC?
This OSG tap has a 1/4-20 UNC thread size, H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. The spiral flute design is optimized for threading steel and stainless steel. The manufacturer part number is 1722601.
Where to buy OSG spiral flute tap 1/4-20 UNC worldwide?
3G Electric supplies and delivers the OSG spiral flute tap 1/4-20 UNC worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this precision threading tool.
How to select the correct OSG spiral flute tap for steel?
For steel and stainless steel, choose a spiral flute tap with a modified bottoming chamfer like this OSG 1/4-20 UNC model. The spiral flute design is critical for chip evacuation in blind holes. Ensure the tap tolerance (H5 / 2B-3B) matches your thread class requirement.
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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.















