OSG Screw Thread Insert STI Tap: Spiral Fute, M12x1.75 Metric, D4 / 4H-6H
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, model M12x1.75 Metric with D4 / 4H-6H tolerance and 3 flutes (MPN 34300901). 3G Electric interprets demand and delivers this…
SKU 3G-OTH-244206
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, model M12x1.75 Metric with D4 / 4H-6H tolerance and 3 flutes (MPN 34300901). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
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 steel and stainless steel 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 STI Tap M12x1.75?
The OSG STI Tap has a metric M12x1.75 thread size, D4 / 4H-6H tolerance, 3 spiral flutes, and is designed for steel and stainless steel. The manufacturer part number is 34300901. It is a spiral-flute tap optimized for chip evacuation in blind-hole applications.
Where to buy OSG STI Tap M12x1.75 worldwide?
You can source the OSG STI Tap M12x1.75 (MPN 34300901) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the tap reaches your facility reliably.
How to select the correct OSG STI tap for thread inserts?
Select an OSG STI tap based on the insert's thread size and pitch, such as M12x1.75. Ensure the tap tolerance matches the required thread class, like D4 / 4H-6H. For steel or stainless steel, choose a spiral-flute design for effective chip removal in blind holes.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















