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OSG Spiral Flute Tap: 5/16"-18 UNC, H7 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 5/16"-18 UNC, H7 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 2941000) is a general-purpose tap with an H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets demand and sources this genuine…

SKU 3G-OTH-230092

Brand
OSG
Item
Spiral Flute Tap: 5/16"-18 UNC, H7 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
2941000
Type
H7 / 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 2941000) is a general-purpose tap with an H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets demand and sources this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

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

This OSG spiral flute tap is used for threading blind holes in materials such as steel and aluminum. The spiral flute design evacuates chips upward, preventing clogging. It is suitable for general-purpose tapping in manufacturing and maintenance applications.

What are the specifications of the OSG 2941000 tap?

The OSG 2941000 is a 5/16-18 UNC spiral flute tap with 3 flutes, a modified bottoming chamfer, and a tolerance of H7 / 2B-3B. It is designed for threading blind holes and is made by OSG, a leading cutting tool manufacturer.

Where to buy OSG taps in worldwide?

You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 2941000 spiral flute tap.

How to select the correct OSG tap for blind holes?

For blind holes, choose a spiral flute tap like the OSG 2941000 with a modified bottoming chamfer. This design pushes chips out of the hole, preventing breakage. Ensure the tap size matches your thread specification (e.g., 5/16-18 UNC) and tolerance (H7 / 2B-3B) for proper fit.

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 general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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