OSG Spiral Point Tap: 1 1/8"-12 UNF, H5 / 2B-3B, 4 Flute, Plug Chamfer (MPN 2845001)
SKU 3G-OTH-215772
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Frequently Asked Questions
What is the OSG spiral point tap 2845001 used for?
This OSG spiral point tap is designed for through-hole threading in steel, stainless steel, and non-ferrous materials. Its 4-flute design pushes chips forward, reducing clogging and breakage. It is commonly used in automotive, aerospace, and general machining applications where precise UNF threads are required.
What are the specifications of the OSG tap 2845001?
The OSG tap 2845001 has a 1 1/8"-12 UNF thread size, H5 tolerance for 2B-3B class fit, 4 flutes, and a plug chamfer. It is a spiral point tap designed for through-hole threading. The manufacturer part number is 2845001.
Where to buy OSG taps like 2845001 worldwide?
3G Electric supplies OSG taps including model 2845001 to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this spiral point tap.
How to select the right OSG tap for UNF threads?
For UNF threads like 1 1/8"-12, choose a tap with the correct pitch and tolerance class (e.g., H5 for 2B-3B fit). Spiral point taps are ideal for through holes as they push chips forward. Ensure the tap material matches your workpiece—OSG taps are suitable for steel and stainless steel.
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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.















