Techniks PowerCOAT ER Dust Seal Nuts

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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.

Item # Specs-MiscThread Size/LengthList Price Price Add To Cart
Compare 41616 ER16 HS Dust Seal NutM22x1.5$63.00 $50.40 Add to cart
Compare 41620 ER20 HS Dust Seal NutM25x1.5$70.00 $56.00 Add to cart
Compare 41625 ER25 HS Dust Seal NutM32x1.5$73.00 $58.40 Add to cart
Compare 41632 ER32 HS Dust Seal NutM40x1.5$82.00 $65.60 Add to cart
Compare 41640 ER40 HS Dust Seal NutM50x1.5$93.00 $74.40 Add to cart