OSG Screw Thread Insert STI Tap: Spiral Point, 1/2"-13 UNC, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 1/2"-13 UNC with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 31402101). 3G Electric interprets this demand…
SKU 3G-OTH-284640
Need installation or engineering help?
Ask a question
Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 1/2"-13 UNC with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 31402101). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right solution.
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 before installing a screw thread insert. It is commonly applied in automotive, aerospace, and general manufacturing where thread repair or reinforcement is needed.
What are the specifications of the OSG 31402101 STI Tap?
The OSG 31402101 is a spiral-point STI tap with a 1/2"-13 UNC thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for tapping holes that will accept screw thread inserts in various materials.
Where to buy the OSG 31402101 STI Tap worldwide?
You can source the OSG 31402101 STI Tap worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations as an industrial equipment supplier.
How to select the correct OSG STI tap for a thread insert?
Select an OSG STI tap by matching the thread size and pitch (e.g., 1/2"-13 UNC) to the insert requirements. Use the H4 / 2B-3B tolerance class for standard fits. Always verify the chamfer type—plug chamfer suits most general applications.
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.
