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OSG Spiral-Flute STI Tap for Aluminum, 3/8"-16 UNC, H3 / 2B-3B, 2 Flute - Spiral-Flute STI Taps for Aluminum
OSGSpiral-Flute STI Taps for Aluminum

OSG Spiral-Flute STI Tap for Aluminum, 3/8"-16 UNC, H3 / 2B-3B, 2 Flute

OSG Spiral-Flute STI Taps for Aluminum.

SKU 3G-OTH-262345

Brand
OSG
Item
Spiral-Flute STI Tap for Aluminum, 3/8"-16 UNC, H3 / 2B-3B, 2 Flute
Category
Spiral-Flute STI Taps for Aluminum
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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
1303901008

Technical Documents

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

Product Description

OSG Spiral-Flute STI Taps for Aluminum.

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 aluminum and other materials for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are needed in softer base materials.

What are the specifications of the OSG STI Tap 1303901008?

The OSG STI Tap 1303901008 is a spiral-flute tap for aluminum, sized 3/8"-16 UNC with a thread class of H3 / 2B-3B. It has 2 flutes and is designed for through-hole threading. The manufacturer part number is 1303901008, and it is optimized for thread insert installation.

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 and other OSG cutting tools.

How to select the correct OSG STI Tap for aluminum?

To select the correct OSG STI Tap for aluminum, match the thread size and pitch (e.g., 3/8"-16 UNC) to your insert requirements. Choose a spiral-flute design for through holes and ensure the thread class (H3 / 2B-3B) aligns with your tolerance needs. Always verify the tap is rated for aluminum to prevent galling.

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 aluminum. 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 tap for cutting internal threads in aluminum for helical wire thread inserts. Designed for through-hole threading with 2 flutes. Thread size 3/8"-16 UNC, thread limit H3 / 2B-3B. Suitable for applications requiring strong threads in softer base materials
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Spiral-flute tap for cutting internal threads in aluminum for helical wire thread inserts. Designed for through-hole threading with 2 flutes. Thread size 3/8"-16 UNC, thread limit H3 / 2B-3B. Suitable for applications requiring strong threads in softer base materials
This spiral-flute STI tap is designed for cutting internal threads in aluminum and non-ferrous materials. It creates threads that accept screw thread inserts (STI) for thread repair or reinforcement. With a 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, and 2-flute design, it provides efficient chip evacuation
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This spiral-flute STI tap is designed for cutting internal threads in aluminum and non-ferrous materials. It creates threads that accept screw thread inserts (STI) for thread repair or reinforcement. With a 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, and 2-flute design, it provides efficient chip evacuation
This spiral-flute STI tap is designed for cutting internal threads in aluminum and non-ferrous materials prior to installing screw thread inserts. It features a 5/16-24 UNF thread size with H3 / 2B-3B thread limit and a 2-flute design optimized for chip evacuation. Typical applications include aerospace, automotive, and general manufacturing where thread reinforcement is needed
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This spiral-flute STI tap is designed for cutting internal threads in aluminum and non-ferrous materials prior to installing screw thread inserts. It features a 5/16-24 UNF thread size with H3 / 2B-3B thread limit and a 2-flute design optimized for chip evacuation. Typical applications include aerospace, automotive, and general manufacturing where thread reinforcement is needed
This spiral-flute STI tap is designed for cutting internal threads in aluminum and non-ferrous materials prior to installing screw thread inserts. The 2-flute design provides efficient chip evacuation. Thread size: 5/16"-24 UNF, thread limit: H3 / 2B-3B
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This spiral-flute STI tap is designed for cutting internal threads in aluminum and non-ferrous materials prior to installing screw thread inserts. The 2-flute design provides efficient chip evacuation. Thread size: 5/16"-24 UNF, thread limit: H3 / 2B-3B
This spiral-flute STI tap is designed for cutting internal threads in aluminum and non-ferrous materials to accept screw thread inserts. The 2-flute design optimizes chip evacuation. Thread size: 1/4"-20 UNC, tolerance H3 / 2B-3B
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This spiral-flute STI tap is designed for cutting internal threads in aluminum and non-ferrous materials to accept screw thread inserts. The 2-flute design optimizes chip evacuation. Thread size: 1/4"-20 UNC, tolerance H3 / 2B-3B
This spiral-flute STI tap is designed for cutting internal threads in aluminum for screw thread inserts. It is intended for through-hole applications, with spiral flutes that evacuate chips upward to prevent clogging. Thread size: 1/4"-28 UNF, thread limit: H3 / 2B-3B, 2 flutes
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This spiral-flute STI tap is designed for cutting internal threads in aluminum for screw thread inserts. It is intended for through-hole applications, with spiral flutes that evacuate chips upward to prevent clogging. Thread size: 1/4"-28 UNF, thread limit: H3 / 2B-3B, 2 flutes

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This spiral-flute STI tap is designed for cutting internal threads in aluminum to accept helical wire thread inserts. It features a #2-56 UNC thread size, H2 / 2B-3B tolerance, and 2 flutes. Common applications include repairing or reinforcing tapped holes in aluminum components
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This spiral-flute STI tap is designed for cutting internal threads in aluminum to accept helical wire thread inserts. It features a #2-56 UNC thread size, H2 / 2B-3B tolerance, and 2 flutes. Common applications include repairing or reinforcing tapped holes in aluminum components
Spiral-flute STI tap for cutting internal threads in aluminum and similar materials to accept helical wire thread inserts. Features #8-32 UNC thread size, H2 / 2B-3B tolerance, and 2-flute design. Used in applications requiring thread reinforcement or repair without replacing the parent component
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Spiral-flute STI tap for cutting internal threads in aluminum and similar materials to accept helical wire thread inserts. Features #8-32 UNC thread size, H2 / 2B-3B tolerance, and 2-flute design. Used in applications requiring thread reinforcement or repair without replacing the parent component
OSG Screw Thread Insert STI Tap: Spiral Fute, #10-32 UNF, H2 / 2B-3B, 2 Flute (MPN 1303900500)
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OSG Screw Thread Insert STI Tap: Spiral Fute, #10-32 UNF, H2 / 2B-3B, 2 Flute (MPN 1303900500)
This OSG spiral-flute STI tap is designed for cutting internal threads in aluminum to accept screw thread inserts. It features a 3/8-24 UNF thread size, H3 / 2B-3B tolerance, and 2 spiral flutes. Suitable for through-hole applications, it produces threads that accommodate helical coil inserts for enhanced thread strength in soft materials
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This OSG spiral-flute STI tap is designed for cutting internal threads in aluminum to accept screw thread inserts. It features a 3/8-24 UNF thread size, H3 / 2B-3B tolerance, and 2 spiral flutes. Suitable for through-hole applications, it produces threads that accommodate helical coil inserts for enhanced thread strength in soft materials
This spiral-flute STI tap is designed for cutting internal threads in aluminum and non-ferrous metals to accept helical coil screw thread inserts. It is intended for through-hole applications. The tap features a 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, and 2 flutes
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This spiral-flute STI tap is designed for cutting internal threads in aluminum and non-ferrous metals to accept helical coil screw thread inserts. It is intended for through-hole applications. The tap features a 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, and 2 flutes
Spiral-flute STI tap for cutting internal threads in aluminum and non-ferrous materials to accept helical wire thread inserts. Features #8-32 UNC thread size, H2 / 2B-3B tolerance, and 2-flute design. Used in applications requiring thread repair or reinforcement without replacing the parent component
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Spiral-flute STI tap for cutting internal threads in aluminum and non-ferrous materials to accept helical wire thread inserts. Features #8-32 UNC thread size, H2 / 2B-3B tolerance, and 2-flute design. Used in applications requiring thread repair or reinforcement without replacing the parent component
Spiral-flute STI tap designed for cutting internal threads in aluminum and non-ferrous materials to accept helical wire thread inserts. Features a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, and 2-flute spiral-flute geometry for efficient chip evacuation. Suitable for applications requiring strong threads in softer base materials
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Spiral-flute STI tap designed for cutting internal threads in aluminum and non-ferrous materials to accept helical wire thread inserts. Features a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, and 2-flute spiral-flute geometry for efficient chip evacuation. Suitable for applications requiring strong threads in softer base materials
This OSG spiral-flute STI tap is designed for cutting internal threads in aluminum and other non-ferrous materials to accept helical screw thread inserts. It features a 1/4"-20 UNC thread size with H3 / 2B-3B thread limit and a 2-flute design for efficient chip evacuation
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This OSG spiral-flute STI tap is designed for cutting internal threads in aluminum and other non-ferrous materials to accept helical screw thread inserts. It features a 1/4"-20 UNC thread size with H3 / 2B-3B thread limit and a 2-flute design for efficient chip evacuation