OSG Spiral Point Tap: 1 3/8"-8 8UN, H6 / 2B-3B, 4 Flute
SKU 3G-OTH-214254
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Frequently Asked Questions
What is the OSG spiral point tap 2851401 used for?
The OSG spiral point tap 2851401 is designed for through-hole threading in industrial applications. Its 4-flute, plug chamfer design pushes chips forward, making it ideal for high-speed production tapping in steel, stainless steel, and cast iron across machining, automotive, and general manufacturing.
What are the specifications of the OSG 2851401 tap?
This OSG spiral point tap has a thread size of 1 3/8"-8 8UN, with a tolerance class of H6 / 2B-3B. It features 4 flutes and a plug chamfer, suitable for through-hole threading. The manufacturer part number is 2851401, and it is a general-purpose spiral-point tap.
Where to buy OSG taps like 2851401 worldwide?
3G Electric supplies OSG taps including model 2851401 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG threading tools.
How to select the correct OSG spiral point tap for my application?
Select an OSG spiral point tap based on thread size, tolerance (e.g., H6 / 2B-3B), and material. For through holes, spiral point taps push chips forward. Match the tap's chamfer type (plug, bottoming, or taper) to hole depth. Consult OSG's technical data for speed and feed recommendations.
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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.















