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OSG Screw Thread Insert STI Tap: Spiral Fute, 9/16"-18 UNF, H4 / 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, 9/16"-18 UNF, H4 / 2B-3B

SKU 3G-OTH-244174

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 9/16"-18 UNF, H4 / 2B-3B
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
30203401
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG 30203401 STI tap used for?

The OSG 30203401 is a spiral-flute STI tap designed for cutting internal threads in steel and stainless steel for screw thread inserts. It is commonly used in aerospace, automotive, and general manufacturing where strong, replaceable threads are required in hard materials.

What are the specifications of the OSG 30203401 STI tap?

The OSG 30203401 is a 9/16"-18 UNF spiral-flute STI tap with 4 flutes. It has a thread tolerance of H4 / 2B-3B, making it suitable for producing threads that accept standard screw thread inserts. It is designed for use in steel and stainless steel workpieces.

Where to buy the OSG 30203401 STI tap worldwide?

3G Electric supplies the OSG 30203401 STI tap worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this OSG tap to any country.

How to select the correct OSG STI tap for steel?

To select the correct OSG STI tap, match the thread size and pitch to your insert requirements. For steel and stainless steel, choose a spiral-flute design like the 30203401 for chip evacuation. Ensure the tap tolerance (e.g., H4 / 2B-3B) aligns with your desired thread class. Always use appropriate cutting fluid.

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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