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OSG Spiral Flute Tap: 7/16"-14 UNC, H11 / 2B, 3 Flute - Oversized Spiral-Flute Taps
OSGOversized Spiral-Flute Taps

OSG Spiral Flute Tap: 7/16"-14 UNC, H11 / 2B, 3 Flute

3G Electric supplies the OSG Spiral Flute Tap (7/16"-14 UNC), an oversized spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H11 / 2B thread class (MPN 2943308). We interpret demand and source this…

SKU 3G-OTH-211314

Brand
OSG
Item
Spiral Flute Tap: 7/16"-14 UNC, H11 / 2B, 3 Flute
Category
Oversized Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
2943308
Type
H11 / 2B, Modified Bottoming Chamfer
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

3G Electric supplies the OSG Spiral Flute Tap (7/16"-14 UNC), an oversized spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H11 / 2B thread class (MPN 2943308). We interpret demand and source this genuine OSG tool across 14 industrial departments, with specialist depth in cutting tools and machining.

Frequently Asked Questions

What is the OSG spiral flute tap 2943308 used for?

The OSG spiral flute tap 2943308 is used for threading blind holes in materials like steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the hole bottom. It is common in automotive and general manufacturing.

What are the specifications of the OSG spiral flute tap 2943308?

The OSG spiral flute tap 2943308 has a thread size of 7/16"-14 UNC, with an H11 / 2B tolerance class. It features 3 flutes and a modified bottoming chamfer. The oversized design provides extra material for coating or final sizing. The manufacturer part number is 2943308.

Where to buy the OSG spiral flute tap 2943308 worldwide?

You can source the OSG spiral flute tap 2943308 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. We supply genuine OSG taps for manufacturing applications.

How to select the correct OSG spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap like the OSG 2943308 to evacuate chips upward. Ensure the thread size (7/16"-14 UNC) and tolerance (H11 / 2B) match your requirements. A modified bottoming chamfer allows threading closer to the hole bottom. Use proper cutting fluid and speed for material type.

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 oversized 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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