OSG Spiral Point Tap: #4-40 UNC, H1 / 2B-3B, 2 Flute, Plug Chamfer
The OSG Spiral Point Tap (#4-40 UNC, MPN 1201400) 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…
SKU 3G-OTH-215181
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Point Tap (#4-40 UNC, MPN 1201400) 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 precision threading tool, sourcing it from our global network across 14 industrial departments — with specialist depth in cutting tools and controls — and backs every quote with accountable support.
Frequently Asked Questions
What is OSG spiral point tap #4-40 UNC used for?
OSG spiral point taps are designed for through-hole threading in production environments. The #4-40 UNC size is common in precision machining, automotive, and aerospace applications. The spiral point design pushes chips forward, reducing chip clogging and enabling faster tapping cycles.
What are the specifications of OSG tap MPN 1201400?
The OSG spiral point tap MPN 1201400 is #4-40 UNC, H1 / 2B-3B class, with 2 flutes and a plug chamfer. It is made from high speed steel. This tap is suitable for general purpose threading in ferrous and non-ferrous materials.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools like the #4-40 UNC spiral point tap and deliver to your facility. Contact us for pricing and lead time.
How to select the right OSG tap for UNC threads?
Select tap size to match the thread specification, such as #4-40 UNC. Choose spiral point taps for through holes and spiral flute taps for blind holes. The H limit (e.g., H1) controls thread fit class (2B-3B). High speed steel taps suit general purpose use; consider coated variants for tougher materials.
Used in
Common applications for OSGOSG 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.
