OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (SKU 33ZK42) is a general-purpose STI tap with a straight flute design, sized 5/8"-11 UNC. It features an H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 12602300). 3G…
SKU 3G-OTH-262070
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Product Description
The OSG Screw Thread Insert STI Tap (SKU 33ZK42) is a general-purpose STI tap with a straight flute design, sized 5/8"-11 UNC. It features an H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 12602300). 3G Electric interprets this demand and sources the exact OEM-specified tool, backed by specialist expertise across 14 industrial departments.
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 automotive, aerospace, and general manufacturing to repair or reinforce stripped threads in metal components.
What are the specifications of the OSG STI Tap 12602300?
The OSG STI Tap 12602300 is a straight flute, plug chamfer tap with 4 flutes. It cuts a 5/8"-11 UNC thread and is ground to H3 tolerance for producing 2B-3B class threads. It is designed for general purpose use in ferrous and non-ferrous materials.
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 the OSG 12602300 tap.
How to select the correct OSG STI Tap for a thread repair?
Select an OSG STI Tap based on the thread size and pitch of the insert you plan to install. For a 5/8"-11 UNC insert, use the OSG 12602300 tap with H3 tolerance. Ensure the tap matches the required thread class (2B-3B) and material hardness for optimal thread quality.
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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.















