OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-12 UNC, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (MPN 12601600) is a general-purpose STI tap with a straight flute design, sized 9/16"-12 UNC. It features a bottoming chamfer, 4 flutes, and an H3 / 2B-3B tolerance class. 3G…
SKU 3G-OTH-262160
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Product Description
The OSG Screw Thread Insert STI Tap (MPN 12601600) is a general-purpose STI tap with a straight flute design, sized 9/16"-12 UNC. It features a bottoming chamfer, 4 flutes, and an H3 / 2B-3B tolerance class. 3G Electric sources this OEM tool across 14 industrial departments, with specialist expertise in cutting tools and precision threading solutions.
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 pre-drilled hole before installing a helical wire thread insert. It is commonly applied in automotive, aerospace, and general manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron.
What are the specifications of the OSG STI Tap 12601600?
The OSG STI Tap 12601600 has a thread size of 9/16"-12 UNC, a straight flute design, 4 flutes, and a bottoming chamfer. It is ground to H3 tolerance for 2B-3B class fit. This general-purpose tap is designed for use with screw thread inserts and is made by OSG.
Where to buy OSG STI Tap 12601600 worldwide?
You can source the OSG STI Tap 12601600 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 on this and other OSG taps.
How to select the correct OSG STI tap for thread inserts?
To select the correct OSG STI tap, match the tap thread size and pitch to the insert's internal thread specification. For example, the 12601600 is for 9/16"-12 UNC inserts. Ensure the tap tolerance (H3 for 2B-3B fit) aligns with your required thread class. Always use a tap drill size recommended by OSG for the insert.
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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.
