YANKEE Taper Pin Reamer: For #7 Pin, 0.3125 in x 0.422 in Dia
SKU 3G-OTH-203299
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Frequently Asked Questions
What is a YANKEE Taper Pin Reamer used for?
A YANKEE Taper Pin Reamer is used to precisely enlarge and finish tapered holes for #7 taper pins in metalworking and assembly applications. It creates a smooth, accurate taper that ensures secure pin fit in machinery, tooling, and structural components.
What are the specifications of the YANKEE Taper Pin Reamer 491-7?
The YANKEE Taper Pin Reamer model 491-7 is designed for #7 taper pins with a small-end diameter of 0.3125 in and a large-end diameter of 0.422 in. It features a spiral flute geometry for efficient chip evacuation and smooth cutting action in ferrous and non-ferrous materials.
Where to buy YANKEE Taper Pin Reamer 491-7 worldwide?
You can source the YANKEE Taper Pin Reamer 491-7 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the reamer reaches your facility reliably.
How to select the correct taper pin reamer size?
To select the correct taper pin reamer, match the reamer's designated pin number (e.g., #7) to the taper pin you are installing. Verify the small-end and large-end diameters against your hole requirements. For the YANKEE 491-7, use with #7 pins having a 0.3125 in to 0.422 in taper.
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3G Electric supplies YANKEE spiral-flute taper pin reamers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















