OSG Screw Thread Insert STI Tap: Spiral Point, 5/16"-18 UNC, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for aluminum, with a 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103600808). 3G Electric interprets this…
SKU 3G-OTH-250417
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for aluminum, with a 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103600808). 3G Electric interprets this demand and sources the genuine OSG tool, supporting your machining operations across 14 industrial departments with specialist depth in cutting tools and controls.
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 aluminum and other materials before installing helical thread inserts. It is designed for applications requiring strong, wear-resistant threads in softer base materials.
What are the specifications of the OSG STI Tap 5/16"-18 UNC?
This OSG STI Tap has a 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point tap designed for aluminum, with manufacturer part number 1103600808.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps worldwide, handling full logistics and customs clearance. We source genuine OSG cutting tools across 14 industrial departments, including taps for thread inserts, and deliver to global destinations.
How to select the correct STI tap size for thread inserts?
Select an STI tap that matches the thread insert's nominal size and pitch, such as 5/16"-18 UNC. The tap tolerance (e.g., H3 / 2B-3B) must align with the insert's class. OSG taps are designed for aluminum and other materials to ensure proper thread fit.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
