DYNABRADE Contact Arm: 31/32 in Belt Wd, 18 in Belt Lg, Dynafile III Series
The DYNABRADE Contact Arm (MPN 15321) is a belt sander contact arm for the Dynafile III Series, featuring a 31/32 in belt width and 18 in belt length. It has a crowned wheel with a 7/8 in diameter, and is compatible…
SKU 3G-OTH-158549
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Product Description
The DYNABRADE Contact Arm (MPN 15321) is a belt sander contact arm for the Dynafile III Series, featuring a 31/32 in belt width and 18 in belt length. It has a crowned wheel with a 7/8 in diameter, and is compatible with model 15300. This OEM component is designed for use with DYNABRADE tools.
Frequently Asked Questions
What is the DYNABRADE Contact Arm 15321 used for?
The DYNABRADE Contact Arm 15321 is a belt sander contact arm for the Dynafile III Series. It supports a 31/32 in belt width and 18 in belt length, with a crowned 7/8 in wheel diameter. It is used for precision sanding and finishing in metalworking and fabrication applications.
What are the specifications of the DYNABRADE Contact Arm 15321?
The DYNABRADE Contact Arm 15321 has a 31/32 in belt width, 18 in belt length, and a crowned 7/8 in wheel diameter. It is compatible with the Dynafile III Series and model 15300. The manufacturer part number is 15321, and it is an OEM component from DYNABRADE.
Where to buy the DYNABRADE Contact Arm 15321 worldwide?
You can source the DYNABRADE Contact Arm 15321 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.
How to install the DYNABRADE Contact Arm 15321?
To install the DYNABRADE Contact Arm 15321, first ensure the Dynafile III tool is disconnected from power. Remove the existing arm, align the new crowned wheel and belt, then secure the arm with the mounting hardware. Follow DYNABRADE's manual for torque specifications and belt tensioning.
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Common applications for DYNABRADEDYNABRADE Products
3G Electric supplies DYNABRADE belt sander contact arms. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.












