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OSG Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Bottoming Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Bottoming Chamfer

The OSG Spiral Point Tap (#4-48 UNF) is a general purpose spiral-point tap with a bottoming chamfer, made of high-speed steel. It features 2 flutes and is rated H2 / 2B-3B (MPN 1206700).

SKU 3G-OTH-216141

Brand
OSG
Item
Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1206700
Type
H2 / 2B-3B, Bottoming Chamfer, High Speed Steel
Flute
2
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Point Tap (#4-48 UNF) is a general purpose spiral-point tap with a bottoming chamfer, made of high-speed steel. It features 2 flutes and is rated H2 / 2B-3B (MPN 1206700).

Frequently Asked Questions

What is the OSG Spiral Point Tap #4-48 UNF used for?

The OSG Spiral Point Tap #4-48 UNF is used for threading blind or through holes in metal components. Its spiral-point design pushes chips forward, making it ideal for high-speed production tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG Spiral Point Tap #4-48 UNF?

The OSG Spiral Point Tap has a #4-48 UNF thread size, H2 / 2B-3B tolerance, 2 flutes, and a bottoming chamfer. It is made of high-speed steel (HSS) and is designed for general-purpose tapping. The manufacturer part number is 1206700.

Where to buy the OSG Spiral Point Tap #4-48 UNF worldwide?

You can source the OSG Spiral Point Tap #4-48 UNF through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG tap for your threading operations.

How to select the correct OSG Spiral Point Tap for #4-48 UNF threads?

To select the correct OSG Spiral Point Tap, match the thread size (#4-48 UNF), chamfer type (bottoming for blind holes), and tolerance class (H2 / 2B-3B) to your workpiece material and hole depth. OSG taps are precision-ground from high-speed steel for consistent thread quality.

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-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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