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OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-10 UNC, H5 / 2B-3B, 4 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, 3/4"-10 UNC, H5 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as 3/4"-10 UNC with an H5 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer (MPN 30204701). 3G Electric sources…

SKU 3G-OTH-244315

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 3/4"-10 UNC, H5 / 2B-3B, 4 Flute
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
30204701
Type
H5 / 2B-3B, Bottoming Chamfer
Flute
4
UNC
3/4"-10
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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 3/4"-10 UNC with an H5 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer (MPN 30204701). 3G Electric sources this genuine OSG tool across 14 industrial departments, with specialist expertise in cutting tools and precision threading solutions.

Frequently Asked Questions

What is the OSG 30204701 spiral-flute STI tap used for?

The OSG 30204701 is a spiral-flute STI tap designed for threading steel and stainless steel. It creates internal threads for screw thread inserts, commonly used in aerospace, automotive, and industrial maintenance to repair or reinforce tapped holes in high-strength materials.

What are the specifications of the OSG 30204701 STI tap?

The OSG 30204701 is a 3/4"-10 UNC spiral-flute STI tap with H5 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for threading steel and stainless steel to accept screw thread inserts. The manufacturer part number is 30204701.

Where to buy the OSG 30204701 STI tap worldwide?

You can source the OSG 30204701 STI tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG threading tool for your application.

How to select the correct OSG STI tap for steel?

Select an OSG STI tap based on thread size, material, and chamfer type. For steel and stainless steel, use a spiral-flute design like the 30204701 (3/4"-10 UNC, bottoming chamfer) to clear chips effectively. Always match the tap tolerance (H5) to the required thread class (2B-3B).

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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