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OSG Spiral Flute Tap: 5/8"-18 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 5/8"-18 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer

The OSG Spiral Flute Tap (5/8"-18 UNF, MPN 1433208) is a general-purpose tap with a plug chamfer, TiCN-coated high-speed steel construction, and 4 flutes. It is specified as H3 / 2B-3B class, designed for threading…

SKU 3G-OTH-230441

Brand
OSG
Item
Spiral Flute Tap: 5/8"-18 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
1433208
Type
H3 / 2B-3B, Plug Chamfer, TiCN Coated High Speed Steel
Flute
4

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

Product Description

The OSG Spiral Flute Tap (5/8"-18 UNF, MPN 1433208) is a general-purpose tap with a plug chamfer, TiCN-coated high-speed steel construction, and 4 flutes. It is specified as H3 / 2B-3B class, designed for threading applications requiring that tolerance range.

Frequently Asked Questions

What is the OSG spiral flute tap 5/8"-18 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its 4-flute design and TiCN coating improve chip evacuation and tool life, making it suitable for general-purpose tapping in manufacturing and maintenance applications.

What are the specifications of the OSG spiral flute tap 5/8"-18 UNF?

The OSG spiral flute tap has a 5/8"-18 UNF thread size, H3 / 2B-3B tolerance, plug chamfer, 4 flutes, and TiCN coated high speed steel. The manufacturer part number is 1433208. It is designed for threading blind holes to Class 2B or 3B fit.

Where to buy OSG spiral flute taps worldwide?

3G Electric supplies OSG spiral flute taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 1433208 tap.

How to select the correct OSG spiral flute tap for a job?

Select the tap based on thread size (e.g., 5/8"-18 UNF), hole type (blind vs. through), material, and required thread class (H3 / 2B-3B). For blind holes, a plug chamfer and spiral flute design help evacuate chips. OSG taps are available through 3G Electric.

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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Cross-referenced by specification & description
OSG Spiral Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1434008)
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OSG Spiral Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1430008)
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OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1431608)

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