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OSG Spiral-Flute STI Tap, 1"-12 UNF, H6 / 2B-3B, 4 Flute, 31504308 - Spiral-Flute STI Taps for Multiple Materials
OSGSpiral-Flute STI Taps for Multiple Materials

OSG Spiral-Flute STI Tap, 1"-12 UNF, H6 / 2B-3B, 4 Flute, 31504308

OSG Spiral-Flute STI Taps for Multiple Materials.

SKU 3G-OTH-281079

Brand
OSG
Item
Spiral-Flute STI Tap, 1"-12 UNF, H6 / 2B-3B, 4 Flute, 31504308
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
31504308

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?

The 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 aerospace, automotive, and general manufacturing where strong, wear-resistant threads are required in softer base materials.

What are the specifications of the OSG STI Tap 31504308?

The OSG STI Tap 31504308 has a 1"-12 UNF thread size, H6 / 2B-3B tolerance, and a spiral-flute design with 4 flutes. It is a spiral-flute STI tap for multiple materials, manufactured by OSG. The part number is 31504308.

Where to buy the OSG Screw Thread Insert STI Tap worldwide?

You can source the OSG Screw Thread Insert STI Tap worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations as an industrial equipment distributor. Contact us for availability and lead time.

How to select the correct OSG STI Tap for a thread insert?

Select the OSG STI Tap based on the thread size and tolerance required for your insert. For a 1"-12 UNF thread, use the OSG 31504308 with H6 / 2B-3B tolerance. Ensure the tap matches the insert manufacturer's specifications and the base material type for optimal thread quality.

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
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Features a 1"-12 UNF thread size, H6 / 2B-3B tolerance, and 4-flute design. Suitable for applications requiring thread repair or reinforcement
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Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Features a 1"-12 UNF thread size, H6 / 2B-3B tolerance, and 4-flute design. Suitable for applications requiring thread repair or reinforcement
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Thread size 1"-12 UNF, tolerance H4 / 2B-3B, 4-flute design. Suitable for general manufacturing applications requiring replaceable threads
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Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Thread size 1"-12 UNF, tolerance H4 / 2B-3B, 4-flute design. Suitable for general manufacturing applications requiring replaceable threads
This spiral-flute STI tap is designed for cutting internal threads for helical wire thread inserts in multiple materials. The spiral-flute geometry aids chip evacuation in blind-hole applications. Thread size is 1"-8 UNC with H6 / 2B-3B tolerance, and the tap has 4 flutes
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This spiral-flute STI tap is designed for cutting internal threads for helical wire thread inserts in multiple materials. The spiral-flute geometry aids chip evacuation in blind-hole applications. Thread size is 1"-8 UNC with H6 / 2B-3B tolerance, and the tap has 4 flutes
This spiral-flute STI tap is designed for cutting internal threads in multiple materials prior to installing screw thread inserts. The 1"-12 UNF thread size with H4 / 2B-3B tolerance ensures proper fit for insert installation. The 4-flute design aids chip evacuation. Typical applications include thread repair and reinforcement in general manufacturing
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This spiral-flute STI tap is designed for cutting internal threads in multiple materials prior to installing screw thread inserts. The 1"-12 UNF thread size with H4 / 2B-3B tolerance ensures proper fit for insert installation. The 4-flute design aids chip evacuation. Typical applications include thread repair and reinforcement in general manufacturing
This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept helical wire thread inserts. It features a 1/2"-20 UNF thread size, H4 / 2B-3B tolerance, and 3 flutes for efficient chip evacuation. Suitable for applications requiring thread repair or reinforcement in metals such as aluminum, steel, and cast iron
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This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept helical wire thread inserts. It features a 1/2"-20 UNF thread size, H4 / 2B-3B tolerance, and 3 flutes for efficient chip evacuation. Suitable for applications requiring thread repair or reinforcement in metals such as aluminum, steel, and cast iron
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Features a 7/8"-14 UNF thread size, H3 / 2B-3B tolerance, and 4-flute design. Suitable for applications requiring strong, replaceable threads in softer base materials
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Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Features a 7/8"-14 UNF thread size, H3 / 2B-3B tolerance, and 4-flute design. Suitable for applications requiring strong, replaceable threads in softer base materials

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Spiral-flute STI tap for cutting internal threads in multiple materials to accept helical wire thread inserts. Features #10-32 UNF thread size, H2 / 2B-3B tolerance, and 3-flute design. Suitable for applications requiring thread repair or reinforcement in aluminum, steel, and cast iron
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