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OSG 3/4"-16 UNF Spiral-Flute STI Tap for Steel & Stainless Steel - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG 3/4"-16 UNF Spiral-Flute STI Tap for Steel & Stainless Steel

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

SKU 3G-OTH-244228

Brand
OSG
Item
3/4"-16 UNF Spiral-Flute STI Tap for Steel & Stainless Steel
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
30204801

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 30204801 STI tap used for?

The OSG 30204801 is a spiral-flute STI tap designed for cutting internal threads in steel and stainless steel for screw thread inserts. It is commonly used in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are required in hard materials.

What are the specifications of the OSG 30204801 STI tap?

The OSG 30204801 is a 3/4"-16 UNF spiral-flute STI tap with 4 flutes and a thread tolerance of H3 / 2B-3B. It is designed for steel and stainless steel applications. The manufacturer part number is 30204801.

Where to buy OSG taps in worldwide?

You can source the OSG 30204801 STI tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct STI tap for steel?

Select an STI tap based on thread size, pitch, and material. For steel and stainless steel, use a spiral-flute design like the OSG 30204801 to evacuate chips. Ensure the tap tolerance (e.g., H3 / 2B-3B) matches the required thread class. Always follow manufacturer recommendations for speed and lubrication.

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
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. Thread size 3/4"-16 UNF, thread tolerance H3 / 2B-3B, 4-flute design. Used to create threads for helical coil inserts, providing stronger threads in softer base materials
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. Thread size 3/4"-16 UNF, thread tolerance H3 / 2B-3B, 4-flute design. Used to create threads for helical coil inserts, providing stronger threads in softer base materials
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. The spiral-flute design evacuates chips upward, making it suitable for blind-hole applications. Thread size: 3/4"-16 UNF, tolerance H4 / 2B-3B, 4-flute design
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. The spiral-flute design evacuates chips upward, making it suitable for blind-hole applications. Thread size: 3/4"-16 UNF, tolerance H4 / 2B-3B, 4-flute design
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 3/4"-16 UNF with H4 / 2B-3B tolerance and 4 flutes. Spiral flute design aids chip evacuation. Used in applications requiring thread repair or reinforcement
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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 3/4"-16 UNF with H4 / 2B-3B tolerance and 4 flutes. Spiral flute design aids chip evacuation. Used in applications requiring thread repair or reinforcement
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 1/2"-20 UNF, tolerance H3 / 2B-3B, with 4 flutes. Used for thread repair or reinforcement in applications such as aerospace, automotive, and industrial maintenance
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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 1/2"-20 UNF, tolerance H3 / 2B-3B, with 4 flutes. Used for thread repair or reinforcement in applications such as aerospace, automotive, and industrial maintenance
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 in blind-hole 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 5/8"-18 UNF thread, H3 / 2B-3B tolerance, and 4 flutes. The spiral flute design aids chip evacuation in blind-hole applications
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. Thread size 5/8"-18 UNF, ground thread tolerance H4 / 2B-3B, 4 flutes. Used in applications requiring helical coil inserts for thread repair or reinforcement
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Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. Thread size 5/8"-18 UNF, ground thread tolerance H4 / 2B-3B, 4 flutes. Used in applications requiring helical coil inserts for thread repair or reinforcement

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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. 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
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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
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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