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OSG Spiral Flute Tap: 9/16"-12 UNC, H3 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 9/16"-12 UNC, H3 / 2B-3B, 4 Flute

The OSG Spiral Flute Tap (9/16"-12 UNC, MPN 1726001) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets this…

SKU 3G-OTH-218836

Brand
OSG
Item
Spiral Flute Tap: 9/16"-12 UNC, H3 / 2B-3B, 4 Flute
Category
Spiral-Flute 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
1726001
Type
H3 / 2B-3B, Modified Bottoming Chamfer
Flute
4

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (9/16"-12 UNC, MPN 1726001) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets this demand and sources the genuine OSG product, supporting your threading operations with specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is OSG spiral flute tap 9/16-12 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its 4-flute design and modified bottoming chamfer efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general manufacturing applications where clean, accurate threads are required.

What are the specifications of OSG tap MPN 1726001?

The OSG spiral flute tap MPN 1726001 has a 9/16-12 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel. The H3 ground thread form ensures precise fit for class 2B or 3B internal threads.

Where to buy OSG spiral flute tap 9/16-12 UNC worldwide?

3G Electric supplies and delivers the OSG spiral flute tap 9/16-12 UNC (MPN 1726001) worldwide. As a global industrial sourcing partner, we handle full logistics and customs clearance to ensure your order arrives at your facility, regardless of location.

How to select the correct OSG tap for steel threading?

For threading steel, select a spiral flute tap like this OSG 9/16-12 UNC for blind holes to clear chips upward. Match the tap tolerance (H3) to your required thread class (2B or 3B). Ensure the chamfer type (modified bottoming) suits your hole depth. Always use appropriate cutting fluid for steel.

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 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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Cross-referenced by specification & description
OSG Spiral Flute Tap: 9/16"-18 UNF, H3 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 1726101)
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a #6-32 UNC thread, H2 / 2B-3B tolerance, 3 flutes, and modified bottoming chamfer. The spiral flute design evacuates chips upward, preventing clogging in blind-hole applications
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features a #6-32 UNC thread, H2 / 2B-3B tolerance, 3 flutes, and modified bottoming chamfer. The spiral flute design evacuates chips upward, preventing clogging in blind-hole applications
Spiral-flute tap for threading steel and stainless steel. #10-24 UNC thread size, H2 / 2B-3B tolerance class, modified bottoming chamfer for blind-hole tapping, 3 flutes for upward chip evacuation
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Spiral-flute tap for threading steel and stainless steel. #10-24 UNC thread size, H2 / 2B-3B tolerance class, modified bottoming chamfer for blind-hole tapping, 3 flutes for upward chip evacuation
OSG Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1724301)
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OSG Spiral Flute Tap: #10-32 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1724601)
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OSG Spiral Flute Tap: #10-32 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1724601)

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