OSG Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Bottoming Chamfer
The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 1650510708) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, bottoming chamfer, 3 flutes, and V coated powdered metal construction. 3G…
SKU 3G-OTH-218672
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Product Description
The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 1650510708) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, bottoming chamfer, 3 flutes, and V coated powdered metal construction. 3G Electric interprets demand and sources this genuine industrial tap across 14 departments—with specialist depth in combustion, pumps, and controls—ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is OSG spiral flute tap 1/4-20 UNC used for?
OSG spiral flute taps are designed for threading blind holes in steel and stainless steel. The spiral flute design pulls chips upward and out of the hole, preventing chip clogging. This 1/4-20 UNC bottoming chamfer tap is ideal for producing threads close to the bottom of a blind hole.
What are the specifications of 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 bottoming chamfer. It is made of V coated powdered metal for wear resistance in steel and stainless steel. The manufacturer part number is 1650510708.
Where to buy OSG spiral flute tap 1/4-20 UNC worldwide?
3G Electric supplies OSG taps and delivers worldwide. We handle full logistics and customs clearance for international orders. Contact us for pricing and lead time on this 1/4-20 UNC spiral flute tap. We source genuine OSG tooling for global industrial customers.
How to select the right OSG spiral flute tap for steel?
For threading blind holes in steel, choose a spiral flute tap with a bottoming chamfer to reach the hole bottom. Match the tap tolerance (e.g., H5) to your required thread class (2B-3B). OSG's V coated powdered metal construction provides extended tool life in steel and stainless steel applications.
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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.















