OSG Screw Thread Insert STI Tap: Spiral Fute, M8x1.25 Metric, D3 / 4H-6H
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for multiple materials, specified as M8x1.25 Metric with a D3 / 4H-6H tolerance class and 3 flutes (MPN 34500708). 3G Electric interprets customer demand and…
SKU 3G-OTH-281136
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for multiple materials, specified as M8x1.25 Metric with a D3 / 4H-6H tolerance class and 3 flutes (MPN 34500708). 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.
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 for installing screw thread inserts. It is commonly applied in automotive, aerospace, and general manufacturing where strong, wear-resistant threads are needed in softer base materials.
What are the specifications of the OSG STI Tap M8x1.25?
The OSG STI Tap has a metric M8x1.25 thread size, D3 / 4H-6H tolerance, 3 flutes, and a spiral-flute design for chip evacuation. It is designed for multiple materials and carries manufacturer part number 34500708.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tool for your threading application.
How to select the correct OSG STI Tap for an application?
Select an OSG STI Tap by matching the thread size (e.g., M8x1.25), tolerance class (D3 / 4H-6H), and flute count to your insert and base material. For multiple materials, a spiral-flute design aids chip removal. Consult OSG's technical data for material-specific speeds and feeds.
Used in
Common applications for OSGOSG 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.















