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OSG Spiral-Flute STI Tap, 9/16"-18 UNF, H4 / 2B-3B, 4 Flute, 31502708 - Spiral-Flute STI Taps for Multiple Materials
OSGSpiral-Flute STI Taps for Multiple Materials

OSG Spiral-Flute STI Tap, 9/16"-18 UNF, H4 / 2B-3B, 4 Flute, 31502708

OSG Spiral-Flute STI Taps for Multiple Materials.

SKU 3G-OTH-281141

Brand
OSG
Item
Spiral-Flute STI Tap, 9/16"-18 UNF, H4 / 2B-3B, 4 Flute, 31502708
Category
Spiral-Flute STI Taps for Multiple Materials
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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
31502708

Technical Documents

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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 strong, replaceable threads are required in aluminum, steel, or cast iron.

What are the specifications of the OSG Screw Thread Insert STI Tap 31502708?

The OSG Screw Thread Insert STI Tap has a thread size of 9/16"-18 UNF, a thread limit of H4 / 2B-3B, and a 4-flute spiral-flute design. The manufacturer part number is 31502708. It is designed for multiple materials and provides accurate thread forming for insert installation.

Where to buy OSG Screw Thread Insert STI Tap 31502708 worldwide?

You can source the OSG Screw Thread Insert STI Tap 31502708 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 thread inserts?

To select the correct OSG STI tap, match the thread size and pitch to the insert requirements—here 9/16"-18 UNF. Use the H4 / 2B-3B tolerance for standard fit. Ensure the tap is designed for the base material (e.g., aluminum or steel) and use proper tapping fluid for best results.

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 cuts internal threads in multiple materials to accept helical wire thread inserts. It features a 9/16"-18 UNF thread, H4 / 2B-3B tolerance, and 4 flutes for chip evacuation. Commonly used in applications requiring thread repair or reinforcement, such as in aluminum, steel, and cast iron
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This spiral-flute STI tap cuts internal threads in multiple materials to accept helical wire thread inserts. It features a 9/16"-18 UNF thread, H4 / 2B-3B tolerance, and 4 flutes for chip evacuation. Commonly used in applications requiring thread repair or reinforcement, such as in aluminum, steel, and cast iron
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
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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 9/16"-18 UNF thread size, H3 / 2B-3B tolerance, and 4 flutes. Suitable for general manufacturing applications requiring strong threads
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Features a 9/16"-18 UNF thread size, H3 / 2B-3B tolerance, and 4 flutes. Suitable for applications requiring strong, replaceable threads in materials such as aluminum, steel, or cast iron
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Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Features a 9/16"-18 UNF thread size, H3 / 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 cuts internal threads to accept helical wire thread inserts. It is suited for blind-hole applications where chip evacuation is required. The tap has a 3/4"-10 UNC thread size, H3 / 2B-3B tolerance, and 4 flutes
OSG
This spiral-flute STI tap cuts internal threads to accept helical wire thread inserts. It is suited for blind-hole applications where chip evacuation is required. The tap has a 3/4"-10 UNC thread size, H3 / 2B-3B tolerance, and 4 flutes
Spiral-flute STI tap for cutting internal threads in multiple materials to accept helical wire thread inserts. Features 7/8"-14 UNF thread, H4 / 2B-3B tolerance, and 4 flutes. Used in applications requiring thread repair or reinforcement
OSG
Spiral-flute STI tap for cutting internal threads in multiple materials to accept helical wire thread inserts. Features 7/8"-14 UNF thread, H4 / 2B-3B tolerance, and 4 flutes. Used in applications requiring thread repair or reinforcement
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
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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

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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
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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
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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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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
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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