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OSG Spiral Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (3/4"-16 UNF) is a general-purpose spiral-flute tap with a bottoming chamfer, made from high-speed steel. It features 4 flutes and is rated H3 / 2B-3B (MPN 1434100).

SKU 3G-OTH-231019

Brand
OSG
Item
Spiral Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
1434100
Type
H3 / 2B-3B, Bottoming Chamfer, High Speed Steel
Flute
4

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (3/4"-16 UNF) is a general-purpose spiral-flute tap with a bottoming chamfer, made from high-speed steel. It features 4 flutes and is rated H3 / 2B-3B (MPN 1434100).

Frequently Asked Questions

What is the OSG spiral flute tap 3/4-16 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in materials like steel and cast iron. Its 4-flute, bottoming chamfer design efficiently evacuates chips upward, making it ideal for general-purpose tapping in machining and industrial maintenance applications.

What are the specifications of the OSG tap MPN 1434100?

The OSG tap MPN 1434100 is a 3/4-16 UNF spiral flute tap with a H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is made from high-speed steel and is suitable for threading blind holes to class 2B or 3B fit.

Where to buy OSG taps in worldwide?

3G Electric supplies and delivers OSG taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, wherever you are located.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG 3/4-16 UNF model. The spiral design pushes chips out of the hole, preventing clogging. Ensure the chamfer type (bottoming) matches your hole depth requirements and that the tap tolerance (H3) aligns with your desired thread class.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 1431700)
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OSG Spiral Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 1434108)
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OSG Spiral Flute Tap: 5/8"-18 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer, High Speed Steel (MPN 1433300)
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OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 1432500)
OSG Spiral Flute Tap: 3/4"-10 UNC, H3 / 2B-3B, 4 Flute, Bottoming Chamfer, High Speed Steel (MPN 1433700)
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OSG Spiral Flute Tap: 3/4"-10 UNC, H3 / 2B-3B, 4 Flute, Bottoming Chamfer, High Speed Steel (MPN 1433700)
OSG Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1430901)
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OSG Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1430901)

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