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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 1703901) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes. 3G Electric interprets your…

SKU 3G-OTH-218794

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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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1703901
Type
H5 / 2B-3B, Modified Bottoming Chamfer
Flute
3

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 1703901) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes. 3G Electric interprets your demand and sources this genuine OSG tap across 14 industrial departments, with specialist depth in cutting tools and controls to ensure you get the right solution.

Frequently Asked Questions

What is the OSG spiral flute tap 5/16-18 UNC used for?

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

What are the specifications of the OSG 1703901 tap?

The OSG 1703901 is a spiral flute tap with size 5/16-18 UNC, H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is engineered for threading steel and stainless steel, providing precise thread formation and chip evacuation.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 1703901 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this spiral flute tap for steel and stainless steel.

How to select the right OSG tap for steel?

For steel and stainless steel blind holes, choose a spiral flute tap like the OSG 1703901 with a modified bottoming chamfer. Ensure the thread size (5/16-18 UNC) and tolerance (H5 / 2B-3B) match your application. Consult OSG's technical data for material-specific speeds and feeds.

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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OSG Spiral Flute Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722808)
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