OSG General Purpose STI Tap, 7/8"-9 UNC, H3 / 2B-3B, Plug Chamfer, 4 Flutes
The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 12603900) is a general-purpose STI tap with a 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets your demand…
SKU 3G-OTH-262115
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Product Description
The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 12603900) is a general-purpose STI tap with a 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
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 12603900?
The OSG STI Tap 12603900 is a straight flute, general-purpose tap with a 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is designed for use with screw thread inserts and is made by OSG, a leading cutting tool manufacturer.
Where to buy OSG STI Tap 12603900 worldwide?
You can source the OSG STI Tap 12603900 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tool for your thread repair or insert installation application.
How to select the correct OSG STI Tap for thread inserts?
To select the correct OSG STI Tap, match the tap's thread size and pitch to the insert's specifications. For the 12603900 model, use it for 7/8"-9 UNC inserts. Ensure the tap tolerance (H3 / 2B-3B) aligns with your required thread class. Always verify the insert manufacturer's recommendations for optimal results.
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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.
