OSG Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer
The OSG Spiral Point Tap (#4-48 UNF, MPN 1206601) is a general purpose spiral-point tap with a plug chamfer, black oxide high-speed steel construction, and 2 flutes. It is rated H2 / 2B-3B for thread class compatibility.
SKU 3G-OTH-215218
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Product Description
The OSG Spiral Point Tap (#4-48 UNF, MPN 1206601) is a general purpose spiral-point tap with a plug chamfer, black oxide high-speed steel construction, and 2 flutes. It is rated H2 / 2B-3B for thread class compatibility.
Frequently Asked Questions
What is the OSG Spiral Point Tap #4-48 UNF used for?
The OSG Spiral Point Tap #4-48 UNF is a general-purpose tap designed for through-hole threading in metals. Its spiral point pushes chips ahead, reducing clogging. It is commonly used in automotive, aerospace, and general manufacturing for creating precise internal threads in steel, aluminum, and alloys.
What are the specifications of the OSG Spiral Point Tap #4-48 UNF?
The OSG Spiral Point Tap has a #4-48 UNF thread size, H2 / 2B-3B tolerance, 2 flutes, plug chamfer, and black oxide high-speed steel construction. The manufacturer part number is 1206601. It is designed for through-hole threading and provides good wear resistance and chip evacuation.
Where to buy OSG Spiral Point Tap #4-48 UNF worldwide?
You can source the OSG Spiral Point Tap #4-48 UNF through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine OSG taps for manufacturing operations.
How to select the correct OSG Spiral Point Tap for through-hole threading?
Select the OSG Spiral Point Tap based on thread size (e.g., #4-48 UNF), material (black oxide HSS for steel), and tolerance (H2 / 2B-3B). For through-holes, a plug chamfer and spiral point design are ideal. Ensure the tap matches the hole size and material hardness to avoid breakage.
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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.















