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OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 5/16"-24 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (5/16"-24 UNF) is a general-purpose spiral-point tap with a plug chamfer, TiN-coated high-speed steel construction, and an H3 / 2B-3B tolerance class. This 2-flute tap (MPN 1231205) is…

SKU 3G-OTH-215161

Brand
OSG
Item
Spiral Point Tap: 5/16"-24 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1231205
Type
H3 / 2B-3B, Plug Chamfer, TiN 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 (5/16"-24 UNF) is a general-purpose spiral-point tap with a plug chamfer, TiN-coated high-speed steel construction, and an H3 / 2B-3B tolerance class. This 2-flute tap (MPN 1231205) is designed for through-hole threading applications.

Frequently Asked Questions

What is the OSG spiral point tap 5/16-24 UNF used for?

This OSG spiral point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. Its TiN coating reduces friction and extends tool life, making it suitable for general-purpose tapping in automotive, aerospace, and industrial manufacturing applications.

What are the specifications of the OSG 1231205 tap?

The OSG 1231205 is a spiral point tap with thread size 5/16-24 UNF, H3 / 2B-3B tolerance, 2 flutes, and a plug chamfer. It is made from high-speed steel with a TiN coating. The manufacturer part number is 1231205, and it is classified as a general-purpose spiral-point tap.

Where to buy OSG taps in worldwide?

You can source OSG 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 1231205 spiral point tap.

How to select the correct OSG tap for threading?

Select an OSG tap based on thread size, pitch, and tolerance class (e.g., H3 / 2B-3B). For blind holes, use a spiral point tap like this 5/16-24 UNF model. Ensure the tap matches the material and hole type. Consult OSG's technical data for optimal feed and speed rates.

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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