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OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (1/2"-20 UNF) is a 3-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance, designed for threading steel and stainless steel. 3G Electric interprets your demand for this…

SKU 3G-OTH-218854

Brand
OSG
Item
Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1733508
Type
H3 / 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 (1/2"-20 UNF) is a 3-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance, designed for threading steel and stainless steel. 3G Electric interprets your demand for this OEM-specified tool, sourcing it across our 14 industrial departments and backing it with specialist expertise in combustion, pumps, and controls.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OSG spiral flute tap 1733508 used for?

The OSG spiral flute tap 1733508 is designed for threading blind holes in steel and stainless steel. Its spiral flute design lifts chips upward, preventing clogging in deep or blind holes. It is commonly used in automotive, aerospace, and general manufacturing applications requiring precise UNF threads.

What are the specifications of the OSG spiral flute tap 1733508?

The OSG spiral flute tap 1733508 has a thread size of 1/2"-20 UNF, with a tolerance class of H3 / 2B-3B. It features 3 flutes and a modified bottoming chamfer for threading close to the bottom of blind holes. The manufacturer part number is 1733508.

Where to buy the OSG spiral flute tap 1733508 worldwide?

You can source the OSG spiral flute tap 1733508 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 on this precision threading tool.

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

Select an OSG spiral flute tap based on thread size, pitch, tolerance class, and material. For steel and stainless steel, use taps with H3 / 2B-3B tolerance for precise fit. The 1733508 with modified bottoming chamfer is ideal for blind holes. Always match the tap to your hole depth and thread requirements.

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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