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OSG Screw Thread Insert STI Tap: Spiral Fute, #10-32 UNF, H4 / 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, #10-32 UNF, H4 / 2B-3B, 3 Flute

The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as #10-32 UNF with an H4 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes and is identified by…

SKU 3G-OTH-244207

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, #10-32 UNF, H4 / 2B-3B, 3 Flute
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
0145901
Type
#10-32 UNF, H4 / 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 #10-32 UNF with an H4 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes and is identified by manufacturer part number 0145901.

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 to accept helical wire thread inserts. It is used in manufacturing and repair applications where stripped or worn threads need reinforcement, ensuring strong, reusable threaded holes.

What are the specifications of the OSG STI Tap #10-32 UNF?

This OSG STI Tap is #10-32 UNF with a H4 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is designed for spiral-flute tapping in steel and stainless steel. The manufacturer part number is 0145901.

Where to buy OSG STI Taps worldwide?

3G Electric supplies OSG STI Taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine OSG cutting tools to your facility, ensuring compliance with international shipping requirements.

How to select the correct STI tap size for thread inserts?

Select an STI tap that matches the thread insert's nominal size and pitch, such as #10-32 UNF. The tap tolerance (e.g., H4 / 2B-3B) must align with the insert manufacturer's specifications. Always verify the chamfer type—bottoming for blind holes, plug for through holes.

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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