OSG M20x2.5 Metric General Purpose STI Tap, D5 / 4H-6H, 4 Flute
The OSG Screw Thread Insert STI Tap is a general-purpose STI tap with a straight flute design, specified as M20x2.5 Metric with a D5 / 4H-6H tolerance class and 4 flutes (MPN 12801300). This tool is engineered for…
SKU 3G-OTH-262138
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Product Description
The OSG Screw Thread Insert STI Tap is a general-purpose STI tap with a straight flute design, specified as M20x2.5 Metric with a D5 / 4H-6H tolerance class and 4 flutes (MPN 12801300). This tool is engineered for threading holes to accommodate screw thread inserts, ensuring precise internal threads in industrial applications.
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 pre-drilled holes for installing helical wire thread inserts. It is commonly applied in automotive, aerospace, and general manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron.
What are the specifications of the OSG STI Tap M20x2.5?
This OSG STI Tap has a metric thread size of M20x2.5 with a D5 / 4H-6H tolerance class. It features 4 straight flutes and is designed for general-purpose thread cutting. The manufacturer part number is 12801300, and it is suitable for use with screw thread inserts.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this M20x2.5 tap.
How to select the correct OSG STI Tap size?
To select the correct OSG STI Tap, match the tap thread size and pitch to the insert you plan to install. For this M20x2.5 tap, ensure your pre-drilled hole diameter and tolerance class (D5 / 4H-6H) align with the insert manufacturer's specifications. Always verify the material and thread depth requirements.
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3G Electric supplies OSG general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
