OSG Straight Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 4 Flute, Bottoming Chamfer
The OSG Straight Flute Tap (1/4"-20 UNC) is a coolant-through, straight-flute machine tap for aluminum, featuring a H3 / 2B-3B tolerance, bottoming chamfer, V coated powdered metal construction, and 4 flutes (MPN…
SKU 3G-OTH-207636
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Product Description
The OSG Straight Flute Tap (1/4"-20 UNC) is a coolant-through, straight-flute machine tap for aluminum, featuring a H3 / 2B-3B tolerance, bottoming chamfer, V coated powdered metal construction, and 4 flutes (MPN 1005700108).
Frequently Asked Questions
What is the OSG Straight Flute Tap 1/4"-20 UNC used for?
This OSG 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 reduces friction and extends tool life in production environments.
What are the specifications of the OSG Straight Flute Tap 1/4"-20 UNC?
This tap has a 1/4"-20 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It features a V coated powdered metal construction and is designed for coolant-through operation. The manufacturer part number is 1005700108.
Where to buy OSG Straight Flute Tap 1/4"-20 UNC worldwide?
3G Electric supplies this OSG tap worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we source and deliver globally as an industrial equipment distributor.
How to select the correct OSG tap for aluminum threading?
For aluminum, choose a tap with a V coating to reduce built-up edge and a bottoming chamfer for blind holes. The H3 / 2B-3B tolerance ensures proper fit. OSG's powdered metal construction provides wear resistance for high-volume production.
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Common applications for OSGOSG Products
3G Electric supplies OSG coolant-through 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.















