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OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-9 UNC, H3 / 2B-3B - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-9 UNC, H3 / 2B-3B

SKU 3G-OTH-244192

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 7/8"-9 UNC, H3 / 2B-3B
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
30205201
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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 pre-drilled holes for installing helical wire thread inserts. It is designed for steel and stainless steel applications, ensuring precise thread dimensions for insert installation.

What are the specifications of the OSG STI Tap 30205201?

The OSG STI Tap 30205201 has a thread size of 7/8"-9 UNC, with a H3 / 2B-3B tolerance class. It features a spiral flute design with 4 flutes, optimized for chip evacuation in steel and stainless steel. The manufacturer part number is 30205201.

Where to buy OSG STI Taps worldwide?

You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this item.

How to select the correct OSG STI Tap for thread inserts?

Select an OSG STI Tap based on the thread insert size and material. For steel or stainless steel, use a spiral flute tap like the 7/8"-9 UNC model. Ensure the tap tolerance (e.g., H3 / 2B-3B) matches the required thread class for proper insert fitment.

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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