OSG Straight Flute Tap: 5/16"-18 UNC, 2B, 4 Flute, Bottoming Chamfer, Carbide (MPN 3190700)
SKU 3G-OTH-211138
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Frequently Asked Questions
What is the OSG Straight Flute Tap 3190700 used for?
The OSG Straight Flute Tap 3190700 is designed for threading aluminum and non-ferrous materials. Its 4-flute, bottoming chamfer design allows blind-hole tapping, while the carbide construction provides wear resistance for high-volume production. Common applications include automotive, aerospace, and general machining where precise UNC threads are required.
What are the specifications of the OSG Straight Flute Tap 3190700?
This OSG tap has a 5/16"-18 UNC thread size, 2B class of fit, 4 flutes, and a bottoming chamfer. It is made of carbide for durability in aluminum. The manufacturer part number is 3190700. It is a straight-flute machine tap designed for through or blind holes in softer materials.
Where to buy the OSG Straight Flute Tap 3190700 worldwide?
3G Electric supplies the OSG Straight Flute Tap 3190700 to customers worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this tap for your threading needs.
How to select the correct OSG tap for aluminum?
For aluminum, choose a tap with a polished flute surface to reduce chip adhesion. The OSG 3190700 uses carbide for hardness and a bottoming chamfer for blind holes. Ensure the thread size (5/16"-18 UNC) and class (2B) match your application. Use proper cutting fluid to extend tool life and improve thread quality.
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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.















