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OSG Spiral-Flute STI Tap, 5/16"-18 UNC, H3 / 2B-3B, 3 Flute - Spiral-Flute STI Taps for Multiple Materials
OSGSpiral-Flute STI Taps for Multiple Materials

OSG Spiral-Flute STI Tap, 5/16"-18 UNC, H3 / 2B-3B, 3 Flute

OSG Spiral-Flute STI Taps for Multiple Materials.

SKU 3G-OTH-281134

Brand
OSG
Item
Spiral-Flute STI Tap, 5/16"-18 UNC, H3 / 2B-3B, 3 Flute
Category
Spiral-Flute STI Taps for Multiple Materials
Available to Order
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Technical specs
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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
31500901

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 automotive, aerospace, and general manufacturing where thread repair or reinforcement is needed.

What are the specifications of the OSG 31500901 STI Tap?

The OSG 31500901 STI Tap has a spiral flute design, size 5/16"-18 UNC, with H3 / 2B-3B tolerance. It features 3 flutes and is designed for multiple materials. The manufacturer part number is 31500901.

Where to buy the OSG 31500901 STI Tap worldwide?

You can source the OSG 31500901 STI Tap worldwide through 3G Electric. 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?

To select the correct OSG STI Tap, match the tap size and thread pitch to the insert requirements. For the 31500901, use 5/16"-18 UNC inserts. Ensure the tap tolerance (H3 / 2B-3B) aligns with your desired thread class. OSG taps are designed for multiple materials.

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. Thread size 5/16"-18 UNC with H3 / 2B-3B tolerance and 3 flutes. Suitable for applications requiring strong 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. Thread size 5/16"-18 UNC with H3 / 2B-3B tolerance and 3 flutes. Suitable for applications requiring strong threads in softer base materials
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Thread size 5/16"-18 UNC with H4 / 2B-3B tolerance and 3 flutes. Used in applications requiring strong threads in softer base materials, such as automotive and general manufacturing
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Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Thread size 5/16"-18 UNC with H4 / 2B-3B tolerance and 3 flutes. Used in applications requiring strong threads in softer base materials, such as automotive and general manufacturing
Spiral-flute tap designed for cutting internal threads in multiple materials to accept screw thread inserts. Size 5/16"-18 UNC with thread tolerance H4 / 2B-3B and 3 flutes. Suitable for applications requiring strong threads in softer base materials
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Spiral-flute tap designed for cutting internal threads in multiple materials to accept screw thread inserts. Size 5/16"-18 UNC with thread tolerance H4 / 2B-3B and 3 flutes. Suitable for applications requiring strong threads in softer base materials
Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Thread size 3/8"-16 UNC with tolerance H3 / 2B-3B and 3 flutes. Spiral flute design facilitates chip evacuation in blind-hole applications. Used in general manufacturing where strong threads are needed in softer base materials
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Spiral-flute STI tap for cutting internal threads in multiple materials to accept screw thread inserts. Thread size 3/8"-16 UNC with tolerance H3 / 2B-3B and 3 flutes. Spiral flute design facilitates chip evacuation in blind-hole applications. Used in general manufacturing where strong threads are needed 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 3/8"-16 UNC thread size, H3 / 2B-3B thread class, and 3 flutes. Suitable for applications requiring thread repair or reinforcement in general manufacturing
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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 3/8"-16 UNC thread size, H3 / 2B-3B thread class, and 3 flutes. Suitable for applications requiring thread repair or reinforcement in general manufacturing
This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept screw thread inserts. With a 1/4"-20 UNC thread size, H3 / 2B-3B tolerance, and 3 flutes, it is suitable for thread repair or reinforcement applications in general manufacturing
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This spiral-flute STI tap is designed for cutting internal threads in multiple materials to accept screw thread inserts. With a 1/4"-20 UNC thread size, H3 / 2B-3B tolerance, and 3 flutes, it is suitable for thread repair or reinforcement applications in general manufacturing

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