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OSG #1-72 UNF General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG #1-72 UNF General Purpose Spiral-Point Tap

The OSG Spiral Point Tap (#1-72 UNF, MPN 1200408) is a general-purpose spiral-point tap with a plug chamfer, TiCN coated high-speed steel construction, and 2 flutes. It is specified as H1 / 2B-3B class of fit…

SKU 3G-OTH-215091

Brand
OSG
Item
#1-72 UNF General Purpose Spiral-Point Tap
Part Number
1200408
Category
General Purpose Spiral-Point Taps
Available to Order
Also known as:1200408OSG
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Technical Specifications

OSG
Manufacturer Part Number
1200408
Type
H1 / 2B-3B, Plug Chamfer, TiCN Coated High Speed Steel
Flute
2

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

Product Description

The OSG Spiral Point Tap (#1-72 UNF, MPN 1200408) is a general-purpose spiral-point tap with a plug chamfer, TiCN coated high-speed steel construction, and 2 flutes. It is specified as H1 / 2B-3B class of fit, designed for through-hole threading in a range of materials.

Frequently Asked Questions

What is the OSG Spiral Point Tap #1-72 UNF used for?

The OSG Spiral Point Tap #1-72 UNF is a general-purpose tap designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point design pushes chips forward, reducing clogging and breakage. Common applications include precision machining in automotive, aerospace, and general manufacturing where fine UNF threads are required.

What are the specifications of the OSG Spiral Point Tap #1-72 UNF?

This OSG tap has a #1-72 UNF thread size, H1 / 2B-3B tolerance class, 2-flute design, and a plug chamfer. It is made from TiCN-coated high-speed steel for wear resistance. The manufacturer part number is 1200408. It is suitable for through-hole tapping in materials up to 850 °C hardness.

Where to buy the OSG Spiral Point Tap #1-72 UNF worldwide?

3G Electric supplies the OSG Spiral Point Tap #1-72 UNF (MPN 1200408) worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this OSG tap to any country.

How to select the correct OSG Spiral Point Tap for a job?

Select the OSG Spiral Point Tap based on thread size (e.g., #1-72 UNF), material hardness, and hole type. For through-holes, a spiral-point tap with plug chamfer is ideal. Ensure the tap's H1 / 2B-3B tolerance matches your required thread class. Use TiCN coating for abrasive materials. Always match tap flute count to chip evacuation needs.

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
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OSG Products

3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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