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OSG Spiral-Flute STI Tap, 7/16"-14 UNC, H4 / 2B-3B, 3 Flute - Spiral-Flute STI Taps for Multiple Materials
OSGSpiral-Flute STI Taps for Multiple Materials

OSG Spiral-Flute STI Tap, 7/16"-14 UNC, H4 / 2B-3B, 3 Flute

OSG Spiral-Flute STI Taps for Multiple Materials.

SKU 3G-OTH-281125

Brand
OSG
Item
Spiral-Flute STI Tap, 7/16"-14 UNC, H4 / 2B-3B, 3 Flute
Category
Spiral-Flute STI Taps for Multiple Materials
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
31501708

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

OSG Spiral-Flute STI Taps for Multiple Materials.

Frequently Asked Questions

What is the OSG Screw Thread Insert STI Tap used for?

This OSG spiral-flute STI tap is designed for cutting internal threads in multiple materials before installing screw thread inserts. It is commonly used in automotive, aerospace, and general manufacturing applications where thread repair or reinforcement is required.

What are the specifications of the OSG 31501708 STI tap?

The OSG 31501708 is a spiral-flute STI tap with a 7/16"-14 UNC thread size, H4 / 2B-3B tolerance, and 3 flutes. It is designed for multiple materials and is used to create threads for screw thread inserts. The H4 tolerance ensures proper fit for insert installation.

Where to buy OSG STI taps in 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 the OSG 31501708 spiral-flute STI tap.

How to select the correct OSG STI tap for thread inserts?

Select an OSG STI tap based on the thread size and tolerance required for your insert. For a 7/16"-14 UNC insert, use the OSG 31501708 with H4 / 2B-3B tolerance. Ensure the tap matches the material being threaded and follow standard tapping practices for spiral-flute taps.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG 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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This spiral-flute STI tap is designed for cutting internal threads in multiple materials prior to installing screw thread inserts. It features a 7/16"-14 UNC thread size, H4 / 2B-3B tolerance, and 3 flutes. Suitable for general manufacturing applications requiring thread repair or reinforcement
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This spiral-flute STI tap is designed for cutting internal threads in multiple materials prior to installing screw thread inserts. It features a 7/16"-14 UNC thread size, H4 / 2B-3B tolerance, and 3 flutes. Suitable for general manufacturing applications requiring thread repair or reinforcement
This spiral-flute STI tap is designed for cutting internal threads in multiple materials prior to installing screw thread inserts. It features a 7/16"-14 UNC thread size, H3 / 2B-3B tolerance, and 3 flutes for efficient chip evacuation. Commonly used in applications requiring thread reinforcement or repair
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This spiral-flute STI tap is designed for cutting internal threads in multiple materials prior to installing screw thread inserts. It features a 7/16"-14 UNC thread size, H3 / 2B-3B tolerance, and 3 flutes for efficient chip evacuation. Commonly used in applications requiring thread reinforcement or repair
This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept screw thread inserts. It features a 7/16"-14 UNC thread size with H3 / 2B-3B tolerance and 3 flutes. Suitable for applications requiring strong threads in softer base materials, such as in general manufacturing
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This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept screw thread inserts. It features a 7/16"-14 UNC thread size with H3 / 2B-3B tolerance and 3 flutes. Suitable for applications requiring strong threads in softer base materials, such as in general manufacturing
Spiral-flute tap designed for cutting internal threads in multiple materials to accept screw thread inserts. Size 5/16"-18 UNC with thread tolerance H4 / 2B-3B and 3 flutes. Suitable for applications requiring strong threads in softer base materials
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Spiral-flute tap designed for cutting internal threads in multiple materials to accept screw thread inserts. Size 5/16"-18 UNC with thread tolerance H4 / 2B-3B and 3 flutes. Suitable for applications requiring strong threads in softer base materials
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Designed for blind-hole threading with efficient chip evacuation. Thread size 3/8"-16 UNC, thread limit H4 / 2B-3B, 3 flutes
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Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Designed for blind-hole threading with efficient chip evacuation. Thread size 3/8"-16 UNC, thread limit H4 / 2B-3B, 3 flutes
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Thread size 5/16"-18 UNC with H4 / 2B-3B tolerance and 3 flutes. Used in applications requiring strong threads in softer base materials, such as automotive and general manufacturing
OSG
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Thread size 5/16"-18 UNC with H4 / 2B-3B tolerance and 3 flutes. Used in applications requiring strong threads in softer base materials, such as automotive and general manufacturing

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