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OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-10 UNC, H3 / 2B-3B - Spiral-Flute STI Taps for Multiple Materials
OSGSpiral-Flute STI Taps for Multiple Materials

OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-10 UNC, H3 / 2B-3B

SKU 3G-OTH-281073

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 3/4"-10 UNC, H3 / 2B-3B
Category
Spiral-Flute STI Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
31503208
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG Screw Thread Insert STI Tap used for?

This OSG spiral-flute STI tap is designed for cutting internal threads in multiple materials before installing screw thread inserts. It is commonly used in automotive, aerospace, and general manufacturing applications where strong, replaceable threads are required.

What are the specifications of the OSG 31503208 STI tap?

The OSG 31503208 is a spiral-flute STI tap with a 3/4"-10 UNC thread size, H3 / 2B-3B tolerance, and 4 flutes. It is designed for multiple materials and is manufactured by OSG. The part number is 31503208.

Where to buy OSG STI taps in 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 OSG 31503208 tap.

How to select the correct OSG STI tap for a thread insert?

Select an STI tap based on the thread size and pitch of the insert, material being tapped, and required thread class. For example, the OSG 31503208 is a 3/4"-10 UNC spiral-flute tap with H3 / 2B-3B tolerance, suitable for multiple materials. Always match the tap to the insert manufacturer's recommendations.

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 multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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