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OSG Spiral Point Tap: 5/16"-24 UNF, H1 / 2B-3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 5/16"-24 UNF, H1 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (5/16"-24 UNF, MPN 1221200) is a general-purpose spiral-point tap with a plug chamfer, 2 flutes, and H1 / 2B-3B thread class, made from high-speed steel. 3G Electric interprets your demand…

SKU 3G-OTH-214592

Brand
OSG
Item
Spiral Point Tap: 5/16"-24 UNF, H1 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1221200
Type
H1 / 2B-3B, Plug 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 (5/16"-24 UNF, MPN 1221200) is a general-purpose spiral-point tap with a plug chamfer, 2 flutes, and H1 / 2B-3B thread class, made from high-speed steel. 3G Electric interprets your demand for this OEM-specified tool, sourcing it across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor — to deliver the right answer, not just a catalog.

Frequently Asked Questions

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

This OSG spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 2-flute design pushes chips forward, reducing clogging and breakage. Common applications include automotive, aerospace, and general manufacturing where UNF threads are required.

What are the specifications of the OSG 1221200 tap?

The OSG 1221200 is a spiral point tap with thread size 5/16-24 UNF, H1 / 2B-3B tolerance, 2 flutes, plug chamfer, and high-speed steel construction. It is a general-purpose tap for through-hole threading, offering good chip evacuation and thread accuracy.

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 1221200 spiral point tap.

How to select the correct OSG tap for UNF threads?

Select an OSG tap by matching thread size (e.g., 5/16-24 UNF), tolerance class (H1 for 2B-3B fit), and tap type (spiral point for through holes). Consider material hardness and coating needs. For general use, high-speed steel taps like this model offer reliable performance.

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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