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OSG Spiral Point Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (3/8"-24 UNF) is a general-purpose spiral-point tap with a plug chamfer, black oxide high-speed steel construction, and H3 / 2B-3B tolerance. It features 3 flutes and is identified by MPN…

SKU 3G-OTH-215457

Brand
OSG
Item
Spiral Point Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1231801
Type
H3 / 2B-3B, Plug Chamfer, Black Oxide 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"-24 UNF) is a general-purpose spiral-point tap with a plug chamfer, black oxide high-speed steel construction, and H3 / 2B-3B tolerance. It features 3 flutes and is identified by MPN 1231801.

Frequently Asked Questions

What is the OSG Spiral Point Tap 3/8"-24 UNF used for?

This OSG spiral point tap is designed for threading through-holes in ferrous and non-ferrous materials. Its 3-flute design and plug chamfer push 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 1231801?

The OSG tap has a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is made from black oxide high-speed steel. The manufacturer part number is 1231801. This general-purpose tap is suitable for threading through-holes in a variety of materials.

Where to buy the OSG Spiral Point Tap 1231801 worldwide?

3G Electric supplies the OSG Spiral Point Tap 1231801 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this tap to support your production needs.

How to select the correct OSG tap for through-hole threading?

For through-hole threading, choose a spiral point tap like this OSG 3/8"-24 UNF model. The plug chamfer and 3-flute design push chips forward, preventing clogging. Ensure the tap tolerance (H3 / 2B-3B) matches your thread class requirement. Always use proper cutting fluid and machine alignment for best results.

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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