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OSG Screw Thread Insert STI Tap: Spiral Fute, #8-32 UNC, H3 / 2B-3B - Spiral-Flute STI Taps for Nickel & Titanium
OSGSpiral-Flute STI Taps for Nickel & Titanium

OSG Screw Thread Insert STI Tap: Spiral Fute, #8-32 UNC, H3 / 2B-3B

SKU 3G-OTH-276720

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, #8-32 UNC, H3 / 2B-3B
Category
Spiral-Flute STI Taps for Nickel & Titanium
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Technical Specifications

OSG
Manufacturer Part Number
31520408
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

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 nickel and titanium alloys for installing helical wire thread inserts. It is essential in aerospace, automotive, and heavy equipment manufacturing where strong, wear-resistant threads are required in challenging materials.

What are the specifications of the OSG 31520408 STI Tap?

The OSG 31520408 is a #8-32 UNC spiral-flute STI tap with H3 / 2B-3B tolerance, 3 flutes, and a manufacturer part number 31520408. It is designed specifically for threading nickel and titanium alloys to accept screw thread inserts.

Where to buy OSG STI taps for nickel and titanium worldwide?

3G Electric supplies OSG STI taps like the 31520408 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this spiral-flute tap for demanding materials.

How to select the correct STI tap for nickel alloys?

Select an STI tap with spiral flute geometry for chip evacuation in nickel and titanium. Ensure the tap size matches the insert thread (e.g., #8-32 UNC) and tolerance class (H3 / 2B-3B). OSG taps are engineered for these materials; consult technical data for feed and speed recommendations.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

3G Electric supplies OSG spiral-flute sti taps for nickel & titanium. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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