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OSG Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, 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, 3/8"-24 UNF, H3 / 2B-3B

SKU 3G-OTH-281065

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H3 / 2B-3B
Category
Spiral-Flute STI Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
31501501
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

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

An OSG Screw Thread Insert STI Tap is used to cut internal threads in multiple materials before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing to repair or reinforce stripped threads in metals and plastics.

What are the specifications of the OSG STI Tap 31501501?

The OSG STI Tap 31501501 has a thread size of 3/8"-24 UNF, a spiral-flute design with 3 flutes, and a thread tolerance of H3 / 2B-3B. It is designed for tapping holes that will accept screw thread inserts in multiple materials.

Where to buy OSG STI Tap 31501501 worldwide?

You can source the OSG STI Tap 31501501 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.

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

To select the correct OSG STI tap, match the tap's thread size and pitch to the insert you plan to install. For the 31501501, use a 3/8"-24 UNF insert. Ensure the tap tolerance (H3 / 2B-3B) aligns with your required thread class. Always follow the insert manufacturer's drilling and tapping 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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