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OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-10 UNC, H5 / 2B-3B, 4 Flute (MPN 31503301) - 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, H5 / 2B-3B, 4 Flute (MPN 31503301)

SKU 3G-OTH-281164

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 Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
31503301
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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?

The OSG Screw Thread Insert STI Tap is used to cut internal threads in multiple materials for installing screw thread inserts. It is commonly applied in automotive, aerospace, and general manufacturing where thread repair or reinforcement is needed.

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

This OSG STI tap has a 3/4"-10 UNC thread size, H5 tolerance for 2B-3B class fit, and a spiral flute design with 4 flutes. The manufacturer part number is 31503301. It is designed for threading multiple materials.

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

You can source the OSG Screw Thread Insert STI Tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

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

Select the OSG STI tap based on the thread size and pitch required for your insert, such as 3/4"-10 UNC. Ensure the tap tolerance (e.g., H5) matches the desired class of fit (2B-3B). Spiral flute taps are ideal for through-hole threading in multiple materials.

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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