OSG 1/4"-28 UNF Spiral-Point STI Tap for Aluminum
The OSG Screw Thread Insert STI Tap: Spiral Point is a spiral-point STI tap for aluminum, specified as 1/4"-28 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103600708). 3G Electric interprets this…
SKU 3G-OTH-250418
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Product Description
The OSG Screw Thread Insert STI Tap: Spiral Point is a spiral-point STI tap for aluminum, specified as 1/4"-28 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1103600708). 3G Electric interprets this demand and sources the genuine OSG tap, backed by specialist depth in cutting tools 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 cuts internal threads in aluminum to accept helical wire inserts. It is used in aerospace, automotive, and general manufacturing to repair or reinforce tapped holes, ensuring strong, wear-resistant threads in soft materials.
What are the specifications of the OSG 1/4"-28 UNF STI Tap?
This OSG spiral-point STI tap has a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading aluminum before installing screw thread inserts. The manufacturer part number is 1103600708.
Where to buy OSG STI taps for aluminum worldwide?
3G Electric supplies OSG STI taps like the 1/4"-28 UNF spiral-point model to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct tool for your application without inventory constraints.
How to select the correct STI tap for aluminum?
Select an STI tap with the same thread size and pitch as the insert, such as 1/4"-28 UNF. Use a spiral-point design for through holes in aluminum to push chips ahead. Verify the H3 / 2B-3B tolerance matches your required thread class for proper insert 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.
