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OSG Screw Thread Insert STI Tap: Spiral Fute, #4-40 UNC, H2 / 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, #4-40 UNC, H2 / 2B-3B

SKU 3G-OTH-244400

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, #4-40 UNC, H2 / 2B-3B
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1713601
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is OSG Screw Thread Insert STI Tap used for?

This OSG spiral-flute STI tap is used to cut internal threads in steel and stainless steel for screw thread inserts. It creates precise #4-40 UNC threads with a H2 / 2B-3B tolerance, ensuring inserts seat correctly in demanding industrial applications.

What are the specifications of OSG Screw Thread Insert STI Tap 1713601?

The OSG STI tap (MPN 1713601) has a #4-40 UNC thread size, H2 / 2B-3B tolerance, and 3 flutes with a spiral flute design. It is engineered for threading steel and stainless steel to accept screw thread inserts.

Where to buy OSG Screw Thread Insert STI Tap in worldwide?

3G Electric supplies the OSG Screw Thread Insert STI Tap (MPN 1713601) worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct OSG STI tap for steel?

Select an OSG STI tap matching the insert's thread size and pitch, such as #4-40 UNC. For steel and stainless steel, choose a spiral-flute design with H2 tolerance for chip evacuation. Verify the tap's 2B-3B class ensures proper insert fit.

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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