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OSG #12-28 UNF Straight Flute Hand Tap, H1 / 2B-3B, Plug Chamfer, 4 Flute, HSS - General Purpose Hand Taps
OSGGeneral Purpose Hand Taps

OSG #12-28 UNF Straight Flute Hand Tap, H1 / 2B-3B, Plug Chamfer, 4 Flute, HSS

The OSG Straight Flute Tap (#12-28 UNF) is a general purpose hand tap with a plug chamfer, 4 flutes, and H1 / 2B-3B tolerance, made from high-speed steel (MPN 1005800). 3G Electric interprets your demand for this…

SKU 3G-OTH-221759

Brand
OSG
Item
#12-28 UNF Straight Flute Hand Tap, H1 / 2B-3B, Plug Chamfer, 4 Flute, HSS
Part Number
1005800
Category
General Purpose Hand Taps
Available to Order
Also known as:1005800OSG
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Technical Specifications

OSG
Manufacturer Part Number
1005800
Type
H1 / 2B-3B, Plug Chamfer, High Speed Steel
Flute
4

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Straight Flute Tap (#12-28 UNF) is a general purpose hand tap with a plug chamfer, 4 flutes, and H1 / 2B-3B tolerance, made from high-speed steel (MPN 1005800). 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 a trust anchor, not a limit.

Frequently Asked Questions

What is OSG Straight Flute Tap #12-28 UNF used for?

This OSG straight flute tap is used for cutting internal threads in holes for fasteners. It is designed for general-purpose hand tapping in a wide range of materials, including steel, aluminum, and brass, in manufacturing and maintenance applications.

What are the specifications of OSG Straight Flute Tap #12-28 UNF?

This OSG tap has a #12-28 UNF thread size, H1 limit, and is rated for 2B-3B class of fit. It features 4 flutes, a plug chamfer, and is made from high-speed steel. The manufacturer part number is 1005800.

Where to buy OSG Straight Flute Tap #12-28 UNF worldwide?

You can source this OSG straight flute tap worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct OSG tap for threading?

Select a tap based on thread size, pitch, and material. For #12-28 UNF threads in general-purpose applications, this OSG high-speed steel tap with plug chamfer is suitable. Ensure the tap drill size matches the thread requirements for proper engagement.

Used in

Common applications for OSG
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
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OSG Products

3G Electric supplies OSG general purpose hand taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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