OSG Screw Thread Insert STI Tap: Spiral Point, 5/16"-18 UNC, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 33ZG15, MPN 31401001) is a 5/16"-18 UNC, H3 / 2B-3B, 3-flute, plug-chamfer tap designed for threading multiple materials. 3G Electric interprets your demand and…
SKU 3G-OTH-284663
Need installation or engineering help?
Ask a question
Product Description
The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 33ZG15, MPN 31401001) is a 5/16"-18 UNC, H3 / 2B-3B, 3-flute, plug-chamfer tap designed for threading multiple materials. 3G Electric interprets your demand and sources this genuine OSG tool, backed by specialist expertise in industrial equipment across 14 departments.
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 strong, wear-resistant threads are required in softer base materials.
What are the specifications of the OSG 31401001 STI Tap?
The OSG 31401001 STI Tap has a spiral-point design, 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading multiple materials and is manufactured by OSG, a leading cutting tool brand.
Where to buy OSG STI Taps worldwide?
OSG STI Taps are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine OSG tooling without supply chain complications.
How to select the correct OSG STI Tap for a thread insert?
Select an OSG STI Tap based on the thread insert's size and tolerance. For a 5/16"-18 UNC insert, use the corresponding STI tap with H3 / 2B-3B tolerance. Always match the tap's thread class to the insert's requirements and consider material hardness for optimal thread quality.
Used in
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.
