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OSG Screw Thread Insert STI Tap: Spiral Fute, #8-36 UNF, H2 / 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, #8-36 UNF, H2 / 2B-3B, 3 Flute

SKU 3G-OTH-244404

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, #8-36 UNF, H2 / 2B-3B, 3 Flute
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
30200508
Type
#8-36 UNF, H2 / 2B-3B, Bottoming Chamfer
Flute
3
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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 steel and stainless steel for installing helical wire thread inserts. It is commonly used in aerospace, automotive, and industrial maintenance to repair or reinforce stripped threads without replacing the parent component.

What are the specifications of the OSG STI Tap #8-36 UNF?

This OSG STI Tap is #8-36 UNF with a H2 / 2B-3B tolerance class, 3-flute spiral flute design, and bottoming chamfer. It is designed for thread insert installation in steel and stainless steel. The manufacturer part number is 30200508.

Where to buy OSG STI Taps worldwide?

3G Electric supplies OSG STI Taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine OSG cutting tools and can quote for any quantity or specification you require.

How to select the correct STI tap for thread inserts?

Select an STI tap that matches the thread insert size and class, such as #8-36 UNF with H2 / 2B-3B tolerance. Use a bottoming chamfer for blind holes and spiral flute for chip evacuation in steel. Always verify the tap's pitch and diameter match 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 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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