OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-12 UNC, H4 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 12601700) is a general-purpose STI tap for 9/16"-12 UNC threads. It features an H4 / 2B-3B tolerance, 4 flutes, and a plug chamfer, designed for creating…
SKU 3G-OTH-262112
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Product Description
The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 12601700) is a general-purpose STI tap for 9/16"-12 UNC threads. It features an H4 / 2B-3B tolerance, 4 flutes, and a plug chamfer, designed for creating threads that 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 pre-drilled holes before installing helical wire thread inserts. 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 12601700?
The OSG STI Tap 12601700 is a straight flute, plug chamfer tap with 4 flutes. It cuts 9/16"-12 UNC threads and has a tolerance of H4 for the tap and 2B-3B for the resulting thread class. It is designed for general purpose use with screw thread inserts.
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 12601700 or other OSG threading tools.
How to select the correct OSG STI Tap for a thread repair job?
To select the correct OSG STI Tap, match the tap size and thread pitch to the insert you plan to use. For example, the 12601700 is for 9/16"-12 UNC inserts. Ensure the tap tolerance (H4) aligns with your required thread class (2B-3B). Always use a tap drill size specified for STI taps.
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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.
