3M Slotted Expanding Drum: 2 in Dia x 2 in W
The 3M Slotted Expanding Drum (MPN 77721) is a slotted expander drum for spiral bands, featuring a 2 in diameter, 2 in width, and a 1/4 in straight-shank. This 3M-branded drum is designed for mounting abrasive spiral…
SKU 3G-OTH-531814
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Product Description
The 3M Slotted Expanding Drum (MPN 77721) is a slotted expander drum for spiral bands, featuring a 2 in diameter, 2 in width, and a 1/4 in straight-shank. This 3M-branded drum is designed for mounting abrasive spiral bands in industrial finishing applications.
Frequently Asked Questions
What is a 3M Slotted Expanding Drum used for?
A 3M Slotted Expanding Drum (MPN 77721) mounts abrasive spiral bands for industrial finishing, deburring, and surface blending on metal, wood, and composites. Its slotted design grips the band securely during high-speed rotary use.
What are the specifications of the 3M 77721 expanding drum?
The 3M 77721 is a slotted expander drum with a 2 in diameter, 2 in width, and a 1/4 in straight-shank. It is designed for spiral bands and is manufactured by 3M under part number 77721.
Where to buy a 3M Slotted Expanding Drum worldwide?
3G Electric supplies and delivers the 3M Slotted Expanding Drum (77721) worldwide. We handle full logistics and customs clearance, ensuring the correct abrasive accessory reaches your facility for industrial finishing applications.
How to install a spiral band on a 3M slotted expanding drum?
To install a spiral band on a 3M slotted expanding drum, slide the band over the drum, then expand the drum by tightening the arbor nut. Ensure the band seats evenly in the slots before use. Always follow the manufacturer's safety guidelines.
Used in
Common applications for 3M3M Products
3G Electric supplies 3M slotted expander drums for spiral bands. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
