OSG Straight Flute Tap: 3/8"-16 UNC, 2B, 4 Flute, Bottoming Chamfer, Carbide (MPN 3190900)
SKU 3G-OTH-211139
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Frequently Asked Questions
What is the OSG Straight Flute Tap 3190900 used for?
The OSG Straight Flute Tap 3190900 is designed for tapping threads in aluminum and non-ferrous materials. Its 4-flute, bottoming chamfer design allows threading close to the bottom of blind holes, making it ideal for automotive, aerospace, and general manufacturing applications requiring precise UNC threads.
What are the specifications of the OSG Straight Flute Tap 3190900?
This OSG tap has a 3/8"-16 UNC thread size, 2B class fit, 4 flutes, and a bottoming chamfer. It is made of carbide for wear resistance in aluminum. The manufacturer part number is 3190900, and the SKU is 33YY65. It is a straight-flute machine tap designed for through or blind holes.
Where to buy the OSG Straight Flute Tap 3190900 worldwide?
You can source the OSG Straight Flute Tap 3190900 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this tap to procurement teams and maintenance engineers globally.
How to select the correct OSG tap for aluminum threading?
For aluminum, choose a carbide tap like the OSG 3190900 with a bottoming chamfer for blind holes. Ensure the thread size (3/8"-16 UNC) and class (2B) match your application. Use proper cutting fluid for aluminum to reduce friction and extend tool life. Always verify the tap's flute count and material compatibility.
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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.















