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OSG Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H3 / 2B-3B - Spiral-Flute STI Taps for Aluminum
OSGSpiral-Flute STI Taps for Aluminum

OSG Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H3 / 2B-3B

SKU 3G-OTH-262348

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H3 / 2B-3B
Category
Spiral-Flute STI Taps for Aluminum
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Technical Specifications

OSG
Manufacturer Part Number
1303901108
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is an OSG spiral-flute STI tap used for?

An OSG spiral-flute STI tap is used to cut internal threads in aluminum for screw thread inserts. It creates threads that accept helical coil inserts, providing strong, wear-resistant threads in soft materials like aluminum. This tap is designed for through-hole applications.

What are the specifications of the OSG STI tap 3/8-24 UNF?

This OSG STI tap has a 3/8-24 UNF thread size, H3 / 2B-3B tolerance, and 2 spiral flutes. It is designed for aluminum and produces threads that accept screw thread inserts. The manufacturer part number is 1303901108.

Where to buy OSG STI taps for aluminum worldwide?

3G Electric supplies OSG STI taps for aluminum worldwide. We handle full logistics and customs clearance to deliver this spiral-flute tap to your facility. Contact us for availability and lead time on the 3/8-24 UNF model.

How to select the correct STI tap for aluminum?

Select an STI tap based on thread size, pitch, and material. For aluminum, use a spiral-flute design like this OSG tap to clear chips. Ensure the tap tolerance (H3 / 2B-3B) matches your required thread class. Always match the tap to the insert manufacturer's specifications.

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 aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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