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OSG Screw Thread Insert STI Tap: Spiral Fute, #8-32 UNC, H4 / 2B-3B - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Fute, #8-32 UNC, H4 / 2B-3B

OSG Spiral-Flute STI Taps for Steel & Stainless Steel.

SKU 3G-OTH-244181

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, #8-32 UNC, H4 / 2B-3B
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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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
30200408

Technical Documents

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

Product Description

OSG Spiral-Flute STI Taps for Steel & Stainless Steel.

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 steel and stainless steel for installing screw thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance where thread repair or reinforcement is required.

What are the specifications of the OSG STI Tap #8-32 UNC?

The OSG STI Tap has a #8-32 UNC thread size, H4 / 2B-3B tolerance, and a spiral flute design with 3 flutes. It is designed for steel and stainless steel. The manufacturer part number is 30200408.

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 repair?

Select an OSG STI Tap based on the thread size and pitch of the insert, such as #8-32 UNC. Ensure the tap tolerance (e.g., H4 / 2B-3B) matches the required class of fit. Use spiral flute taps for steel and stainless steel to improve chip evacuation.

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 steel & stainless steel. 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 from OSG is designed for cutting internal threads in steel and stainless steel to accommodate screw thread inserts. It features a #8-32 UNC thread size, H4 / 2B-3B tolerance, and a 3-flute design for efficient chip evacuation. Commonly used in applications requiring thread repair or reinforcement
OSG
This spiral-flute STI tap from OSG is designed for cutting internal threads in steel and stainless steel to accommodate screw thread inserts. It features a #8-32 UNC thread size, H4 / 2B-3B tolerance, and a 3-flute design for efficient chip evacuation. Commonly used in applications requiring thread repair or reinforcement
Spiral-flute STI tap designed for cutting internal threads in steel and stainless steel to accept screw thread inserts. Features 3/8"-16 UNC thread size, H4 / 2B-3B tolerance, and 3 spiral flutes for efficient chip evacuation. Commonly used in applications requiring strong, wear-resistant threads in softer base materials
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Spiral-flute STI tap designed for cutting internal threads in steel and stainless steel to accept screw thread inserts. Features 3/8"-16 UNC thread size, H4 / 2B-3B tolerance, and 3 spiral flutes for efficient chip evacuation. Commonly used in applications requiring strong, wear-resistant threads in softer base materials
This spiral-flute STI tap cuts internal threads in steel and stainless steel for installing helical wire thread inserts. It features a 7/16"-14 UNC thread size, H4 / 2B-3B tolerance, and 3 flutes. Commonly used in automotive, aerospace, and industrial maintenance to repair or reinforce stripped threads
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This spiral-flute STI tap cuts internal threads in steel and stainless steel for installing helical wire thread inserts. It features a 7/16"-14 UNC thread size, H4 / 2B-3B tolerance, and 3 flutes. Commonly used in automotive, aerospace, and industrial maintenance to repair or reinforce stripped threads
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Designed for blind-hole applications, the spiral flute directs chips upward. Thread size 5/16"-18 UNC, 3 flutes, thread class H4 / 2B-3B
OSG
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Designed for blind-hole applications, the spiral flute directs chips upward. Thread size 5/16"-18 UNC, 3 flutes, thread class H4 / 2B-3B
Spiral-flute STI tap for cutting internal threads in steel and stainless steel prior to installing screw thread inserts. Thread size 7/16"-20 UNF with H4 pitch diameter tolerance for class 2B or 3B internal threads. 3-flute design aids chip evacuation. Used in general manufacturing applications requiring strong, wear-resistant threads
OSG
Spiral-flute STI tap for cutting internal threads in steel and stainless steel prior to installing screw thread inserts. Thread size 7/16"-20 UNF with H4 pitch diameter tolerance for class 2B or 3B internal threads. 3-flute design aids chip evacuation. Used in general manufacturing applications requiring strong, wear-resistant threads
This spiral-flute STI tap from OSG is designed for cutting internal threads in steel and stainless steel prior to installing screw thread inserts. It features a #6-40 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes for effective chip evacuation. Suitable for applications requiring strong, wear-resistant threads
OSG
This spiral-flute STI tap from OSG is designed for cutting internal threads in steel and stainless steel prior to installing screw thread inserts. It features a #6-40 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes for effective chip evacuation. Suitable for applications requiring strong, wear-resistant threads

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OSG Screw Thread Insert STI Tap: Spiral Fute, M14x2 Metric, D5 / 4H-6H, 4 Flute (MPN 34301001)
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features a 5/8"-18 UNF thread, H3 / 2B-3B tolerance, and 4 flutes. The spiral flute design aids chip evacuation during threading operations
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features a 5/8"-18 UNF thread, H3 / 2B-3B tolerance, and 4 flutes. The spiral flute design aids chip evacuation during threading operations
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features M2x0.4 metric thread, D2 / 2B-3B tolerance, and 2 flutes. Used in applications requiring thread repair or reinforcement in demanding materials
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features M2x0.4 metric thread, D2 / 2B-3B tolerance, and 2 flutes. Used in applications requiring thread repair or reinforcement in demanding materials
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 3/8"-16 UNC, 3 flutes, tolerance class H4 / 2B-3B. Suitable for repair or reinforcement of threaded holes in demanding materials
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 3/8"-16 UNC, 3 flutes, tolerance class H4 / 2B-3B. Suitable for repair or reinforcement of threaded holes in demanding materials
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features 5/16"-18 UNC thread size, H4 / 2B-3B tolerance, and 3 flutes. Used in applications such as automotive, aerospace, and heavy equipment repair where stripped threads must be restored
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features 5/16"-18 UNC thread size, H4 / 2B-3B tolerance, and 3 flutes. Used in applications such as automotive, aerospace, and heavy equipment repair where stripped threads must be restored
This OSG spiral-flute STI tap cuts internal threads in steel and stainless steel to accept helical wire thread inserts. It features a #10-24 UNC thread size, H2 / 2B-3B tolerance, and a 3-flute design. Suitable for thread repair and reinforcement in demanding applications
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This OSG spiral-flute STI tap cuts internal threads in steel and stainless steel to accept helical wire thread inserts. It features a #10-24 UNC thread size, H2 / 2B-3B tolerance, and a 3-flute design. Suitable for thread repair and reinforcement in demanding applications
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features a 1"-8 UNC thread size, H6 / 2B-3B tolerance, and 4 flutes. The spiral flute design evacuates chips upward, making it suitable for blind-hole thread repair applications
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Features a 1"-8 UNC thread size, H6 / 2B-3B tolerance, and 4 flutes. The spiral flute design evacuates chips upward, making it suitable for blind-hole thread repair applications
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. #8-32 UNC, H2 / 2B-3B tolerance, bottoming chamfer, 3 flutes. Manufacturer part number 0145208
OSG
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. #8-32 UNC, H2 / 2B-3B tolerance, bottoming chamfer, 3 flutes. Manufacturer part number 0145208