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, 5/8"-18 UNF, H4 / 2B-3B, 4 Flute, 31503101 - Spiral-Flute STI Taps for Multiple Materials
OSGSpiral-Flute STI Taps for Multiple Materials

OSG Spiral-Flute STI Tap, 5/8"-18 UNF, H4 / 2B-3B, 4 Flute, 31503101

OSG Spiral-Flute STI Taps for Multiple Materials.

SKU 3G-OTH-281075

Brand
OSG
Item
Spiral-Flute STI Tap, 5/8"-18 UNF, H4 / 2B-3B, 4 Flute, 31503101
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
31503101

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 in multiple materials for installing screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where reliable thread repair or reinforcement is needed.

What are the specifications of the OSG 31503101 STI Tap?

The OSG 31503101 STI Tap has a 5/8"-18 UNF thread size, H4 / 2B-3B tolerance, and a spiral-flute design with 4 flutes. It is a spiral-flute STI tap for multiple materials, manufactured by OSG.

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.

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 5/8"-18 UNF insert, use the OSG 31503101 with H4 / 2B-3B tolerance. Ensure the tap matches the material and flute style 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.

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 prior to installing screw thread inserts. Features a 5/8"-18 UNF thread size, H4 / 2B-3B tolerance, and 4 flutes for efficient chip evacuation. Suitable for general manufacturing applications requiring strong threads in softer base materials
OSG
Spiral-flute STI tap for cutting internal threads in multiple materials prior to installing screw thread inserts. Features a 5/8"-18 UNF thread size, H4 / 2B-3B tolerance, and 4 flutes for efficient chip evacuation. Suitable for general manufacturing applications requiring strong threads in softer base materials
This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept screw thread inserts. It features a 9/16"-18 UNF thread size, H3 / 2B-3B tolerance, and 4 flutes. Suitable for general manufacturing applications requiring strong threads
OSG
This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept screw thread inserts. It features a 9/16"-18 UNF thread size, H3 / 2B-3B tolerance, and 4 flutes. Suitable for general manufacturing applications requiring strong threads
This spiral-flute STI tap is designed for cutting internal threads in multiple materials prior to installing helical wire thread inserts. With a 3/4"-16 UNF thread size and H4 tolerance, it accommodates 2B or 3B class threads. The 4-flute spiral flute design aids chip evacuation in through-hole and blind-hole applications
OSG
This spiral-flute STI tap is designed for cutting internal threads in multiple materials prior to installing helical wire thread inserts. With a 3/4"-16 UNF thread size and H4 tolerance, it accommodates 2B or 3B class threads. The 4-flute spiral flute design aids chip evacuation in through-hole and blind-hole applications
This spiral-flute STI tap is designed for cutting internal threads in multiple materials prior to installing screw thread inserts. It features a 5/8"-18 UNF thread size, H3 / 2B-3B tolerance, and 4 flutes for efficient chip evacuation. Suitable for general manufacturing applications requiring thread reinforcement
OSG
This spiral-flute STI tap is designed for cutting internal threads in multiple materials prior to installing screw thread inserts. It features a 5/8"-18 UNF thread size, H3 / 2B-3B tolerance, and 4 flutes for efficient chip evacuation. Suitable for general manufacturing applications requiring thread reinforcement
This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accommodate screw thread inserts. It features a 3/4"-16 UNF thread size, H4 / 2B-3B tolerance, and 4 flutes. Suitable for applications requiring strong, replaceable threads in materials such as aluminum, steel, or cast iron
OSG
This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accommodate screw thread inserts. It features a 3/4"-16 UNF thread size, H4 / 2B-3B tolerance, and 4 flutes. Suitable for applications requiring strong, replaceable threads in materials such as aluminum, steel, or cast iron
This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept screw thread inserts. It features a 3/4"-16 UNF thread size, H3 / 2B-3B tolerance, and 4 flutes. Suitable for applications requiring thread reinforcement in general manufacturing
OSG
This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept screw thread inserts. It features a 3/4"-16 UNF thread size, H3 / 2B-3B tolerance, and 4 flutes. Suitable for applications requiring thread reinforcement in general manufacturing

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