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OSG Screw Thread Insert STI Tap: Spiral Fute, #3-48 UNC, H2 / 2B-3B, 2 Flute - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Fute, #3-48 UNC, H2 / 2B-3B, 2 Flute

SKU 3G-OTH-244354

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, #3-48 UNC, H2 / 2B-3B, 2 Flute
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
30200101
Type
#3-48 UNC, H2 / 2B-3B, Bottoming Chamfer
Flute
2
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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 steel and stainless steel for installing helical wire thread inserts. It is ideal for repairing or reinforcing threads in industrial applications across machining, automotive, and aerospace sectors.

What are the specifications of the OSG STI Tap #3-48 UNC?

The OSG STI Tap has a #3-48 UNC thread size, H2 / 2B-3B tolerance, spiral flute design, 2 flutes, and a bottoming chamfer. It is designed for steel and stainless steel, with manufacturer part number 30200101.

Where to buy OSG STI Tap #3-48 UNC worldwide?

You can source the OSG STI Tap #3-48 UNC from 3G Electric, which handles global logistics, customs clearance, and delivery worldwide. As a supplier across 14 industrial departments, we provide genuine OSG taps for your procurement needs.

How to select the correct STI tap for thread inserts?

Select an STI tap that matches the thread insert size and class, such as #3-48 UNC with H2 / 2B-3B tolerance. Use a bottoming chamfer for blind holes and spiral flute for chip evacuation in steel. Always verify material compatibility with the tap coating.

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

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