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OSG Spiral Point Tap: 3/8"-24 UNF, H1 / 2B-3B, 3 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 3/8"-24 UNF, H1 / 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, High Speed Steel construction, and 3 flutes. It is rated H1 / 2B-3B (MPN 1221800). 3G Electric interprets your demand…

SKU 3G-OTH-214202

Brand
OSG
Item
Spiral Point Tap: 3/8"-24 UNF, H1 / 2B-3B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1221800
Type
H1 / 2B-3B, Plug 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"-24 UNF) is a general-purpose spiral-point tap with a Plug Chamfer, High Speed Steel construction, and 3 flutes. It is rated H1 / 2B-3B (MPN 1221800). 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the OSG spiral point tap 3/8-24 UNF 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 forward, reducing chip clogging. It is ideal for general-purpose tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG 1221800 tap?

The OSG 1221800 is a spiral point tap with thread size 3/8-24 UNF, H1 / 2B-3B tolerance, 3 flutes, plug chamfer, and high-speed steel construction. It is designed for general-purpose tapping and is suitable for both blind and through holes.

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 time on the OSG 1221800 spiral point tap.

How to select the correct OSG tap for a threading application?

Select the OSG tap based on thread size, pitch, material, and hole type. For through holes, a spiral point tap like the 3/8-24 UNF is ideal. Match the tap tolerance (e.g., H1 / 2B-3B) to the required thread class. Consult OSG's technical data for material-specific recommendations.

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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