OSG Straight Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 4 Flute, Bottoming Chamfer
SKU 3G-OTH-210998
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Frequently Asked Questions
What is OSG straight flute tap 1/4-20 UNC used for?
This OSG straight flute tap is designed for threading blind holes in aluminum and non-ferrous materials. Its bottoming chamfer allows threading close to the hole bottom, while the V coating on powdered metal reduces friction and extends tool life in production environments.
What are the specifications of OSG tap 1005200108?
The OSG tap has a 1/4-20 UNC thread, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is made from V coated powdered metal, part number 1005200108. This combination suits high-speed tapping in aluminum where chip evacuation and thread finish are critical.
Where to buy OSG straight flute tap 1005200108 worldwide?
3G Electric supplies and delivers the OSG straight flute tap 1005200108 to worldwide destinations. We handle full logistics and customs clearance, ensuring you receive genuine OSG tooling for your threading operations. Contact us for availability and lead time.
How to select the correct tap for aluminum?
For aluminum, choose a tap with a polished flute or coating like V coating to reduce built-up edge. A bottoming chamfer is ideal for blind holes. The OSG 1/4-20 UNC tap with H3 tolerance provides proper thread fit. Always match tap material to workpiece hardness and use appropriate cutting fluid.
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Common applications for OSGOSG Products
3G Electric supplies OSG straight-flute machine taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















