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OSG Screw Thread Insert STI Tap: Spiral Fute, 5/16"-24 UNF, 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, 5/16"-24 UNF, H3 / 2B-3B

SKU 3G-OTH-276723

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 5/16"-24 UNF, H3 / 2B-3B
Category
Spiral-Flute STI Taps for Nickel & Titanium
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Technical Specifications

OSG
Manufacturer Part Number
31520708
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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 is used to cut internal threads in nickel and titanium alloys for installing helical thread inserts. Its spiral-flute design evacuates chips effectively, making it ideal for deep-hole threading in aerospace, automotive, and industrial applications.

What are the specifications of the OSG STI Tap 31520708?

The OSG STI Tap 31520708 has a thread size of 5/16"-24 UNF, a thread limit of H3 / 2B-3B, and 3 flutes. It is a spiral-flute tap designed for nickel and titanium alloys. The manufacturer part number is 31520708.

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

3G Electric supplies OSG STI Taps like the 31520708 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this spiral-flute tap for nickel and titanium alloys.

How to select the correct STI tap for thread inserts?

Select an STI tap based on thread size, pitch, and material. For nickel and titanium alloys, use a spiral-flute design like the OSG 31520708 to manage chip evacuation. Match the tap's thread limit (e.g., H3 / 2B-3B) to your required fit class for reliable insert installation.

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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