OSG Screw Thread Insert STI Tap: Spiral Point, #6-32 UNC, H3 / 2B-3B, 2 Flute
The OSG Screw Thread Insert STI Tap is a #6-32 UNC spiral-point tap with a Plug Chamfer, 2 flutes, and H3 / 2B-3B tolerance class (MPN 1830400). 3G Electric interprets this demand and sources the genuine OSG tool…
SKU 3G-OTH-287040
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Product Description
The OSG Screw Thread Insert STI Tap is a #6-32 UNC spiral-point tap with a Plug Chamfer, 2 flutes, and H3 / 2B-3B tolerance class (MPN 1830400). 3G Electric interprets this demand and sources the genuine OSG tool, supporting your threading operations 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 a pre-drilled hole before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, 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 #6-32 UNC?
The OSG STI Tap has a #6-32 UNC thread size, H3 / 2B-3B tolerance, 2 flutes, and a plug chamfer. It is a spiral-point design for through-hole tapping. The manufacturer part number is 1830400. This tap is designed specifically for installing 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 Screw Thread Insert STI Tap MPN 1830400.
How to select the correct OSG STI Tap for a thread insert?
Select an OSG STI Tap that matches the thread size and pitch of the insert, such as #6-32 UNC. Ensure the tap tolerance (e.g., H3 / 2B-3B) aligns with the insert class. Use a plug chamfer for blind holes or spiral-point for through holes. Always follow the insert manufacturer's drilling and tapping recommendations.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















