OSG Straight Flute Tap: #12-28 UNF, H1 / 2B-3B, 4 Flute, Plug Chamfer
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
Need installation or engineering help?
Ask a question
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 OSGOSG 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.
