OSG Straight Flute Tap: #3-56 UNF, H1 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Straight Flute Tap (#3-56 UNF) is a General Purpose Hand Tap, Type H1 / 2B-3B, with a Plug Chamfer and 3 flutes, made from High Speed Steel (MPN 1001900). 3G Electric interprets this demand and sources the…
SKU 3G-OTH-221653
Need installation or engineering help?
Ask a question
Product Description
The OSG Straight Flute Tap (#3-56 UNF) is a General Purpose Hand Tap, Type H1 / 2B-3B, with a Plug Chamfer and 3 flutes, made from High Speed Steel (MPN 1001900). 3G Electric interprets this demand and sources the genuine OSG tap, backed by our specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right solution.
Frequently Asked Questions
What is the OSG Straight Flute Tap #3-56 UNF used for?
The OSG Straight Flute Tap #3-56 UNF is a general-purpose hand tap designed for threading #3-56 UNF holes in a variety of materials. It is commonly used in precision machining, automotive, and aerospace applications where accurate internal threads are required. The plug chamfer allows for threading through holes or blind holes with moderate depth.
What are the specifications of the OSG Straight Flute Tap #3-56 UNF?
The OSG Straight Flute Tap #3-56 UNF has a thread size of #3-56 UNF, with an H1 / 2B-3B tolerance class. It features 3 flutes, a plug chamfer, and is made from high-speed steel. The manufacturer part number is 1001900. This tap is suitable for general-purpose hand threading operations in various materials.
Where to buy the OSG Straight Flute Tap #3-56 UNF worldwide?
You can source the OSG Straight Flute Tap #3-56 UNF worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide reliable sourcing and delivery for this OSG tap.
How to select the correct OSG Straight Flute Tap for UNF threads?
To select the correct OSG Straight Flute Tap for UNF threads, match the tap's thread size and pitch to your application, such as #3-56 UNF. Consider the material being threaded and the hole type (through or blind). The plug chamfer is ideal for general use. OSG taps are precision-ground from high-speed steel for durability and accuracy.
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.















