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OSG Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (1/4"-20 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1722601). 3G Electric interprets your…

SKU 3G-OTH-217807

Brand
OSG
Item
Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1722601
Type
H5 / 2B-3B, Modified Bottoming Chamfer
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (1/4"-20 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1722601). 3G Electric interprets your demand for this precision threading tool, sources it from OSG, and supports your application across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor.

Frequently Asked Questions

What is the OSG spiral flute tap 1/4-20 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is ideal for automotive, aerospace, and general manufacturing applications requiring precise internal threads.

What are the specifications of the OSG spiral flute tap 1/4-20 UNC?

This OSG tap has a 1/4-20 UNC thread size, H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. The spiral flute design is optimized for threading steel and stainless steel. The manufacturer part number is 1722601.

Where to buy OSG spiral flute tap 1/4-20 UNC worldwide?

3G Electric supplies and delivers the OSG spiral flute tap 1/4-20 UNC worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this precision threading tool.

How to select the correct OSG spiral flute tap for steel?

For steel and stainless steel, choose a spiral flute tap with a modified bottoming chamfer like this OSG 1/4-20 UNC model. The spiral flute design is critical for chip evacuation in blind holes. Ensure the tap tolerance (H5 / 2B-3B) matches your thread class requirement.

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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