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OSG Spiral Flute Tap: 7/8"-14 UNF, H4 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 7/8"-14 UNF, H4 / 2B-3B, 4 Flute

The OSG Spiral Flute Tap (7/8"-14 UNF, MPN 1726301) is a 4-flute tap with a modified bottoming chamfer and H4 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets your…

SKU 3G-OTH-219002

Brand
OSG
Item
Spiral Flute Tap: 7/8"-14 UNF, H4 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1726301
Type
H4 / 2B-3B, Modified Bottoming Chamfer
Flute
4
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (7/8"-14 UNF, MPN 1726301) is a 4-flute tap with a modified bottoming chamfer and H4 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets your demand for this OEM-specified tool, sources it across our 14 industrial departments, and provides specialist support to ensure you get the right solution.

Frequently Asked Questions

What is the OSG spiral flute tap 7/8"-14 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. It is commonly used in automotive, aerospace, and general manufacturing for creating precise internal threads in medium to high-strength materials.

What are the specifications of the OSG spiral flute tap 1726301?

The OSG spiral flute tap has a thread size of 7/8"-14 UNF, with a H4 / 2B-3B tolerance class. It features 4 flutes and a modified bottoming chamfer, allowing threading close to the bottom of blind holes. The manufacturer part number is 1726301.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial distributor, we source and deliver this OSG spiral flute tap to your facility. Contact us for availability and lead time; we manage international shipping and documentation for seamless procurement.

How to select the correct OSG tap for steel threading?

For steel threading, choose a spiral flute tap like this OSG model for blind holes, as it pushes chips out. Ensure the thread size (7/8"-14 UNF) and tolerance (H4 / 2B-3B) match your application. Use appropriate cutting fluid and speed; consult OSG's technical data for optimal feed rates.

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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