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

The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as #8-32 UNC with an H3 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes (MPN 0145308). 3G Electric…

SKU 3G-OTH-244331

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

OSG
Manufacturer Part Number
0145308
Type
#8-32 UNC, H3 / 2B-3B, Bottoming Chamfer
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as #8-32 UNC with an H3 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes (MPN 0145308). 3G Electric interprets this demand and sources genuine OSG taps across 14 industrial departments, with specialist depth in cutting tools and controls.

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 #8-32 UNC?

This OSG STI Tap is #8-32 UNC with a H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is a spiral-flute design for steel and stainless steel, with manufacturer part number 0145308. The H3 / 2B-3B specification ensures precise thread fit for insert installation.

Where to buy OSG STI Tap #8-32 UNC worldwide?

3G Electric supplies the OSG Screw Thread Insert STI Tap #8-32 UNC worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this part number 0145308.

How to select the correct STI tap for thread inserts?

Select an STI tap that matches the insert's thread size and pitch, such as #8-32 UNC. Use a bottoming chamfer for blind holes and a spiral-flute design for steel or stainless steel to clear chips. The H3 / 2B-3B tolerance ensures proper fit for the insert.

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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