We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG Spiral-Flute STI Tap, 7/8"-9 UNC, H5 / 2B-3B, 4 Flute - Spiral-Flute STI Taps for Multiple Materials
OSGSpiral-Flute STI Taps for Multiple Materials

OSG Spiral-Flute STI Tap, 7/8"-9 UNC, H5 / 2B-3B, 4 Flute

OSG Spiral-Flute STI Taps for Multiple Materials.

SKU 3G-OTH-281160

Brand
OSG
Item
Spiral-Flute STI Tap, 7/8"-9 UNC, H5 / 2B-3B, 4 Flute
Category
Spiral-Flute STI Taps for Multiple Materials
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
31503708

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

OSG Spiral-Flute STI Taps for Multiple Materials.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 for helical coil thread inserts in multiple materials. It is designed for applications requiring strong, wear-resistant threads in metals and alloys, commonly used in automotive, aerospace, and industrial maintenance.

What are the specifications of the OSG Screw Thread Insert STI Tap?

The OSG Screw Thread Insert STI Tap has a spiral flute design, size 7/8"-9 UNC, with H5 tolerance for 2B-3B thread classes. It features 4 flutes and is made for multiple materials. The manufacturer part number is 31503708.

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

You can source the OSG Screw Thread Insert STI Tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

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

To select the correct OSG STI tap, match the tap size and thread pitch to the insert specifications. For a 7/8"-9 UNC insert, use the OSG spiral flute tap with H5 tolerance. Ensure the tap material suits your workpiece, and consult OSG's technical data for optimal performance.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Spiral-flute STI tap for cutting internal threads in multiple materials to accept helical coil inserts. Thread size 7/8"-9 UNC with H5 tolerance for 2B/3B class fit. Four-flute design suitable for through-hole threading in general machining applications
OSG
Spiral-flute STI tap for cutting internal threads in multiple materials to accept helical coil inserts. Thread size 7/8"-9 UNC with H5 tolerance for 2B/3B class fit. Four-flute design suitable for through-hole threading in general machining applications
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Features 3/4"-10 UNC thread size, H5 tolerance for 2B-3B class fit, and 4 flutes. Suitable for use in steel, aluminum, cast iron, and other materials
OSG
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Features 3/4"-10 UNC thread size, H5 tolerance for 2B-3B class fit, and 4 flutes. Suitable for use in steel, aluminum, cast iron, and other materials
This OSG spiral-flute STI tap is designed for cutting internal threads in multiple materials to accommodate screw thread inserts. It features a 3/4"-10 UNC thread size, H5 tolerance for 2B-3B class fit, and a 4-flute spiral flute design. Suitable for thread repair or reinforcement applications in general manufacturing
OSG
This OSG spiral-flute STI tap is designed for cutting internal threads in multiple materials to accommodate screw thread inserts. It features a 3/4"-10 UNC thread size, H5 tolerance for 2B-3B class fit, and a 4-flute spiral flute design. Suitable for thread repair or reinforcement applications in general manufacturing
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Features 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, and 4 flutes. Spiral flute design aids chip evacuation in blind-hole applications
OSG
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Features 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, and 4 flutes. Spiral flute design aids chip evacuation in blind-hole applications
This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept screw thread inserts. It features a 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, and 4 flutes for efficient chip evacuation. Suitable for applications requiring strong threads in softer base materials
OSG
This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept screw thread inserts. It features a 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, and 4 flutes for efficient chip evacuation. Suitable for applications requiring strong threads in softer base materials
This spiral-flute STI tap cuts internal threads for helical wire thread inserts in multiple materials. It features a 7/8"-14 UNF thread, H3 / 2B-3B tolerance, and 4 flutes for chip evacuation in blind-hole applications. Used in aerospace, automotive, and general manufacturing for repairing or reinforcing tapped holes in aluminum, steel, and cast iron
OSG
This spiral-flute STI tap cuts internal threads for helical wire thread inserts in multiple materials. It features a 7/8"-14 UNF thread, H3 / 2B-3B tolerance, and 4 flutes for chip evacuation in blind-hole applications. Used in aerospace, automotive, and general manufacturing for repairing or reinforcing tapped holes in aluminum, steel, and cast iron

More from OSG

View all OSG parts →
OSG Screw Thread Insert STI Tap: Spiral Fute, M10x1.5 Metric, D4 / 4H-6H, 3 Flute (MPN 34500801)
OSG
OSG Screw Thread Insert STI Tap: Spiral Fute, M10x1.5 Metric, D4 / 4H-6H, 3 Flute (MPN 34500801)
OSG Screw Thread Insert STI Tap: Spiral Fute, M20x2.5 Metric, D5 / 4H-6H, 4 Flute (MPN 34501301)
OSG
OSG Screw Thread Insert STI Tap: Spiral Fute, M20x2.5 Metric, D5 / 4H-6H, 4 Flute (MPN 34501301)
Spiral-flute STI tap for cutting internal threads to accept helical wire thread inserts. Designed for multiple materials including aluminum, steel, and cast iron. Features 3/8"-24 UNF thread, H2 / 2B-3B tolerance, and 3 flutes. Used in applications requiring thread repair or reinforcement
OSG
Spiral-flute STI tap for cutting internal threads to accept helical wire thread inserts. Designed for multiple materials including aluminum, steel, and cast iron. Features 3/8"-24 UNF thread, H2 / 2B-3B tolerance, and 3 flutes. Used in applications requiring thread repair or reinforcement
This spiral-flute STI tap cuts internal threads in multiple materials to accept helical wire thread inserts. It features a M6x1 metric thread size, D3 / 4H-6H tolerance class, and 3 flutes. Used in general manufacturing for repairing or reinforcing tapped holes
OSG
This spiral-flute STI tap cuts internal threads in multiple materials to accept helical wire thread inserts. It features a M6x1 metric thread size, D3 / 4H-6H tolerance class, and 3 flutes. Used in general manufacturing for repairing or reinforcing tapped holes
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
OSG
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
This spiral-flute STI tap cuts internal threads in multiple materials to accept helical wire thread inserts. It features a 7/16"-20 UNF thread, H4 / 2B-3B tolerance, and 3 flutes. Suitable for use in aerospace, automotive, and general manufacturing applications
OSG
This spiral-flute STI tap cuts internal threads in multiple materials to accept helical wire thread inserts. It features a 7/16"-20 UNF thread, H4 / 2B-3B tolerance, and 3 flutes. Suitable for use in aerospace, automotive, and general manufacturing applications
OSG Screw Thread Insert STI Tap: Spiral Fute, M5x0.8 Metric, D3 / 4H-6H, 3 Flute (MPN 34500508)
OSG
OSG Screw Thread Insert STI Tap: Spiral Fute, M5x0.8 Metric, D3 / 4H-6H, 3 Flute (MPN 34500508)
Spiral-flute STI tap for cutting internal threads in multiple materials to accept helical wire thread inserts. Thread size 9/16"-12 UNC with ground thread tolerance H3 / 2B-3B and 4 flutes. Suitable for tapping holes in applications requiring thread reinforcement or repair
OSG
Spiral-flute STI tap for cutting internal threads in multiple materials to accept helical wire thread inserts. Thread size 9/16"-12 UNC with ground thread tolerance H3 / 2B-3B and 4 flutes. Suitable for tapping holes in applications requiring thread reinforcement or repair