OSG Screw Thread Insert STI Tap: Spiral Point, 1/2"-13 UNC, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 33ZG38, MPN 31402108) is a spiral-point STI tap for multiple materials, with a 1/2"-13 UNC thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G…
SKU 3G-OTH-284659
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Product Description
The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 33ZG38, MPN 31402108) is a spiral-point STI tap for multiple materials, with a 1/2"-13 UNC thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric interprets demand and delivers this genuine industrial tap across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
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. The spiral-point design pushes chips forward, making it suitable for through-hole applications.
What are the specifications of the OSG 1/2"-13 UNC STI Tap?
This OSG STI tap has a 1/2"-13 UNC thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. The spiral-point geometry is designed for through-hole threading in multiple materials. The manufacturer part number is 31402108. It is intended for use with screw thread inserts to achieve Class 2B or 3B fit.
Where to buy the OSG 31402108 STI Tap worldwide?
3G Electric supplies the OSG 31402108 STI Tap worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this OSG spiral-point tap to meet your production needs.
How to select the correct OSG STI tap for thread inserts?
Select an OSG STI tap based on the insert's thread size and tolerance. For a 1/2"-13 UNC insert, use a tap with H4 / 2B-3B tolerance and plug chamfer. The spiral-point design is best for through holes. Always match the tap to the material being threaded and follow OSG's recommended speeds and feeds for optimal thread quality.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
