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OSG Spiral Point Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer

The OSG Spiral Point Tap (3/8"-16 UNC, MPN 1231700) is a general-purpose spiral-point tap with a bottoming chamfer, made from high-speed steel. It features 3 flutes and is rated H3 / 2B-3B for thread class compatibility.

SKU 3G-OTH-215195

Brand
OSG
Item
Spiral Point Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1231700
Type
H3 / 2B-3B, Bottoming Chamfer, High Speed Steel
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Point Tap (3/8"-16 UNC, MPN 1231700) is a general-purpose spiral-point tap with a bottoming chamfer, made from high-speed steel. It features 3 flutes and is rated H3 / 2B-3B for thread class compatibility.

Frequently Asked Questions

What is the OSG spiral point tap used for?

The OSG spiral point tap is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral point design pushes chips ahead, reducing clogging and breakage. Common applications include automotive, aerospace, and general manufacturing where precise internal threads are required.

What are the specifications of the OSG spiral point tap 1231700?

The OSG spiral point tap MPN 1231700 has a 3/8"-16 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made from high-speed steel and is designed for general-purpose threading. The H3 / 2B-3B specification ensures compatibility with standard thread classes.

Where to buy OSG spiral point taps worldwide?

You can source OSG spiral point taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on the OSG 1231700 or other models.

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

To select the correct OSG spiral point tap, match the thread size (e.g., 3/8"-16 UNC), chamfer type (bottoming for blind holes), and tolerance class (H3 / 2B-3B) to your workpiece material and hole depth. For hard materials, consider coated variants. Always verify the tap's flute count and material compatibility.

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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