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OSG Screw Thread Insert STI Tap: Spiral Fute, 7/16"-20 UNF, H4 / 2B-3B - Spiral-Flute STI Taps for Nickel & Titanium
OSGSpiral-Flute STI Taps for Nickel & Titanium

OSG Screw Thread Insert STI Tap: Spiral Fute, 7/16"-20 UNF, H4 / 2B-3B

SKU 3G-OTH-276715

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 7/16"-20 UNF, H4 / 2B-3B
Category
Spiral-Flute STI Taps for Nickel & Titanium
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Technical Specifications

OSG
Manufacturer Part Number
31520908
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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 thread repair or reinforcement is required in high-strength materials.

What are the specifications of the OSG 31520908 STI Tap?

The OSG 31520908 is a spiral-flute STI tap with thread size 7/16"-20 UNF, H4 / 2B-3B tolerance, and 3 flutes. It is designed specifically for threading nickel and titanium alloys. 3G Electric supplies this genuine OSG tap for industrial maintenance and production applications.

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

3G Electric sources and delivers genuine OSG STI taps, including the 31520908, to customers worldwide. We handle full logistics, customs clearance, and delivery for industrial procurement teams needing reliable threading tools for nickel and titanium alloys.

How to select the correct STI tap for thread insert installation?

Select an STI tap that matches the thread insert's size and pitch, such as 7/16"-20 UNF. Use a tap with H4 / 2B-3B tolerance for proper fit. For nickel and titanium, choose spiral-flute designs like OSG's to evacuate chips. 3G Electric can help confirm the right tap for your application.

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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