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 1703508). 3G Electric interprets this…
SKU 3G-OTH-218543
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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 1703508). 3G Electric interprets this demand and sources the genuine OSG product, supporting your threading operations across 14 industrial departments with specialist depth in cutting tools.
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 modified bottoming chamfer and 3-flute design efficiently evacuate chips upward, making it ideal for production tapping where chip clearance is critical.
What are the specifications of the OSG 1703508 tap?
The OSG 1703508 is a spiral flute tap with 1/4-20 UNC thread, H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is engineered for threading steel and stainless steel, providing precise thread formation and chip evacuation.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 1703508 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this spiral flute tap for steel and stainless steel.
How to select the right 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 3-flute design aids chip evacuation in blind holes. Match thread size and tolerance (H5 / 2B-3B) to your application requirements.
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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.















