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EOASAW 20% off SALE on Techniks PowerCOAT Nuts!

Use with our dust seal that snaps into the nut to seal and protect your collets and cutting tools. Match the ER collet size and shank size to the dust seal specifications.

-40% more holding power than bearing nuts.
-Balanced to 25,000 RPM.
-Better rigidity and T.I.R. (runout).

PowerCOAT Nuts outperform bearing nuts!

-Rubber bearing seals on bearing nuts eventually fail, and then dust contaminates bearings to make them freeze up.
-Uncoated threads limit holding power.
-Bearing nuts cannot be balanced because they have moving parts so cutting tools wear prematurely.

CNC Routers run better with PowerCOAT!

PowerCOAT nuts greatly reduce friction between the nut, collet shoulder, and tool holder threads to increase down-force on the collet, collapsing tighter around the tool shank. This improves holding power and runout (T.I.R.). Better T.I.R. means cutting is faster and smoother, and tool life is also improved.

1 - 5 of 5 | Results Per Page | View | Unit of Measure

Item #

Addt'l Detail





Recommended Torque

List Price


Add To Cart/Request Quote
41616 N/A ER16 HS Dust Seal Nut N/A 32mm N/A 22.5mm N/A M22x1.5 N/A 04613 N/A 42 ft/lbs N/A
54.00 USD
$43.20 Add To Cart
41620 N/A ER20 HS Dust Seal Nut N/A 35mm N/A 24mm N/A M25x1.5 N/A 04614 N/A 59 ft/lbs N/A
60.00 USD
$48.00 Add To Cart
41625 N/A ER25 HS Dust Seal Nut N/A 42mm N/A 25mm N/A M32x1.5 N/A 04615 N/A 77 ft/lbs N/A
63.00 USD
$50.40 Add To Cart
41632 N/A ER32 HS Dust Seal Nut N/A 50mm N/A 27.5mm N/A M40x1.5 N/A 04616 N/A 100 ft/lbs N/A
70.00 USD
$56.00 Add To Cart
41640 N/A ER40 HS Dust Seal Nut N/A 63mm N/A 30.7mm N/A M50x1.5 N/A 04617 N/A 130 ft/lbs N/A
80.00 USD
$64.00 Add To Cart
1 - 5 of 5 | Results Per Page | View | Unit of Measure
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