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OSG Spiral Flute Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 1703908) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets your…

SKU 3G-OTH-218614

Brand
OSG
Item
Spiral Flute Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1703908
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 (5/16"-18 UNC, MPN 1703908) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets your demand for this precision threading tool, sourcing it across 14 industrial departments with specialist depth in cutting tools and controls.

Frequently Asked Questions

What is the OSG spiral flute tap 1703908 used for?

The OSG spiral flute tap 1703908 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 commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 1703908?

The OSG spiral flute tap 1703908 has a thread size of 5/16"-18 UNC, with an H5 tolerance class for 2B-3B fit. It features 3 flutes and a modified bottoming chamfer, allowing threading close to the bottom of blind holes. The manufacturer part number is 1703908.

Where to buy the OSG spiral flute tap 1703908 worldwide?

You can source the OSG spiral flute tap 1703908 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.

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

For steel and stainless steel, choose a spiral flute tap like the OSG 1703908 with a modified bottoming chamfer for blind holes. Ensure the thread size (5/16"-18 UNC) and tolerance (H5) match your application. Use appropriate cutting fluid and machine speed for optimal thread quality.

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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