OSG Screw Thread Insert STI Tap: Spiral Fute, #2-56 UNC, H2 / 2B-3B, 2 Flute
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as #2-56 UNC with H2 / 2B-3B tolerance and a bottoming chamfer. It features 2 flutes and is identified by…
SKU 3G-OTH-244301
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as #2-56 UNC with H2 / 2B-3B tolerance and a bottoming chamfer. It features 2 flutes and is identified by manufacturer part number 0144708.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap is used to cut internal threads in steel and stainless steel for accepting helical wire thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance where thread repair or reinforcement is required.
What are the specifications of the OSG STI Tap #2-56 UNC?
The OSG STI Tap has a #2-56 UNC thread size, H2 / 2B-3B tolerance, bottoming chamfer, and 2 spiral flutes. It is designed for tapping holes in steel and stainless steel before installing screw thread inserts. The manufacturer part number is 0144708.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap model 0144708.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI Tap that matches the thread insert size and class of fit, such as #2-56 UNC with H2 / 2B-3B tolerance. Ensure the tap has a bottoming chamfer for blind holes and spiral flutes for chip evacuation in steel or stainless steel. Always refer to the insert manufacturer's recommendations.
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3G Electric supplies OSG spiral-flute sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















