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OSG Spiral Flute Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (7/16"-20 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1645076205). 3G Electric interprets this…

SKU 3G-OTH-218785

Brand
OSG
Item
Spiral Flute Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1645076205
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 (7/16"-20 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1645076205). 3G Electric interprets this demand and sources the genuine OSG product, backed by specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is the OSG spiral flute tap 1645076205 used for?

This OSG spiral flute tap is designed for threading steel and stainless steel. Its 3-flute design and modified bottoming chamfer efficiently evacuate chips upward, making it ideal for blind-hole threading in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 1645076205?

The OSG spiral flute tap has a thread size of 7/16"-20 UNF, with an H5 tolerance class for 2B-3B fit. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 1645076205.

Where to buy the OSG spiral flute tap 1645076205 worldwide?

You can source the OSG spiral flute tap 1645076205 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

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

Select an OSG spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, use a tap with H5 tolerance for precise 2B-3B fits. The modified bottoming chamfer on this 7/16"-20 UNF tap allows threading close to the bottom of blind holes.

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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