OSG Screw Thread Insert STI Tap: Spiral Point, #8-32 UNC, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a #8-32 UNC spiral-point tap with a plug chamfer, designed for threading nickel and titanium. It features an H3 / 2B-3B tolerance class and a 3-flute geometry (MPN 31420408).
SKU 3G-OTH-279745
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Screw Thread Insert STI Tap is a #8-32 UNC spiral-point tap with a plug chamfer, designed for threading nickel and titanium. It features an H3 / 2B-3B tolerance class and a 3-flute geometry (MPN 31420408).
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-point STI tap is designed for cutting internal threads in nickel and titanium alloys before installing screw thread inserts. It is commonly used in aerospace, automotive, and industrial applications requiring strong, wear-resistant threads in hard materials.
What are the specifications of the OSG STI Tap #8-32 UNC?
The OSG STI tap has a #8-32 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design optimized for nickel and titanium. The manufacturer part number is 31420408.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 31420408 tap.
How to select the correct OSG STI tap for thread inserts?
Select an STI tap based on the insert's thread size and class. For #8-32 UNC inserts, use a tap with H3 / 2B-3B tolerance. OSG spiral-point taps are ideal for nickel and titanium. Ensure the tap matches the insert manufacturer's specifications for proper thread fit.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for nickel & titanium. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
