OSG Screw Thread Insert STI Tap: Straight Fute, 7/8"-14 UNF, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (SKU 33ZK63, MPN 12604400) is a general-purpose STI tap with a straight flute design, sized 7/8"-14 UNF. It features a H3 / 2B-3B tolerance class, 4 flutes, and a bottoming chamfer…
SKU 3G-OTH-262158
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Product Description
The OSG Screw Thread Insert STI Tap (SKU 33ZK63, MPN 12604400) is a general-purpose STI tap with a straight flute design, sized 7/8"-14 UNF. It features a H3 / 2B-3B tolerance class, 4 flutes, and a bottoming chamfer for threading holes to accept screw thread inserts.
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 a workpiece before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed.
What are the specifications of the OSG STI Tap 12604400?
The OSG STI Tap 12604400 has a 7/8"-14 UNF thread size, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is a straight flute, general purpose tap designed for screw thread insert installation.
Where to buy OSG STI Tap 12604400 worldwide?
You can source the OSG STI Tap 12604400 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring your order arrives reliably.
How to select the correct OSG STI tap for thread insert installation?
Select an OSG STI tap that matches the thread insert's size and pitch, such as 7/8"-14 UNF. Ensure the tap tolerance (e.g., H3 / 2B-3B) aligns with the required thread class. Use a bottoming chamfer for blind holes and a straight flute design for general applications.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
