OSG Straight Flute Tap: 1/2"-13 UNC, 2B, 4 Flute, Bottoming Chamfer, Carbide (MPN 3191300)
SKU 3G-OTH-211100
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Frequently Asked Questions
What is the OSG Straight Flute Tap 3191300 used for?
The OSG Straight Flute Tap 3191300 is designed for threading aluminum and non-ferrous materials. Its 4-flute, bottoming chamfer design allows tapping close to the bottom of blind holes, making it ideal for automotive, aerospace, and general manufacturing applications where precise internal threads are required.
What are the specifications of the OSG Straight Flute Tap 3191300?
This OSG tap has a 1/2"-13 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 3191300. It is a straight-flute machine tap designed for high-speed production threading.
Where to buy the OSG Straight Flute Tap 3191300 worldwide?
You can source the OSG Straight Flute Tap 3191300 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 tap with a bottoming chamfer like the OSG 3191300 to thread blind holes. Ensure the tap size matches your hole (1/2"-13 UNC) and material compatibility—carbide is recommended for abrasive aluminum alloys. Use proper cutting fluid and follow manufacturer speed/feed guidelines for best 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.















