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ER Collet Nuts

We've got both ER collet nuts and ER Mini Nuts in your choice of standard and high-speed coated versions.
Available in sizes ER 8 thru ER 40.

ER High Speed Coated Collet Nut ER Mini Nut Dimensions  

ER High Speed Coated Nuts

Coated nuts give up to 100% more clamping pressure over bearing nuts.
For use when speeds exceed 15,000 rpm.
Recommended torque is 80 to 90% of max value.
DescriptionDMBSpannerMaximum TorqueBrandPart #
ER11 High Speed Nut 19mm 14 x .75 11.8mm SE04608 20 ft. lbs. Southeast Tool SE46111
ER16 High Speed Nut 32mm 22 x 1.5 18mm SE04613 50 ft. lbs. Southeast Tool SE46116
ER20 High Speed Nut 35mm 25 x 1.5 19.5mm SE04614 75 ft. lbs. Southeast Tool SE46120
ER25 High Speed Nut 42mm 32 x 1.5 20.5mm SE04615 95 ft. lbs. Southeast Tool SE46125
ER32 High Speed Nut 50mm 40 x 1.5 23mm SE04616 125 ft. lbs. Southeast Tool SE46132
ER40 High Speed Nut 63mm 50 x 1.5 26mm SE04617 140 ft. lbs. Southeast Tool SE46140

 

 Southeast Tool ER Bearing Nut  

ER Bearing Nuts
DescriptionDiameterInside DiameterLengthSpannerMaximum Clamp TorquePart Number
ER25 Bearing Nut 42 21 22.5 SE04615 95 ft. lbs. SE21225
ER32 Bearing Nut 50 22 25 SE04616 125 ft. lbs. SE21232
ER40 Bearing Nut 63 34 28 SE04617 140 ft. lbs. SE21240

 

ER High Speed Mini Nut ER Mini Nut Dimensions  

ER Mini Nuts

Use ER High-Speed mini nuts for applications where speed exceeds 10,000 RPMs.
They are balanced to G2.5 for 20,000 RPMs.
These nuts are used on collet holders and multi-spindle heads where center or shoulder distances are important.
DescriptionDMBSpannerMaximum TorqueBrandPart #
ER 8 HS Mini Nut 12mm M10 x 0.75 11mm SE04620 7 ft/lbs Southeast Tool SE33108
ER 8 Mini Nut 12mm M10 x 0.75 11mm SE04620 7 ft/lbs Southeast Tool SE23108
ER 11 HS Mini Nut 16mm M13 x 0.75 12mm SE04621 14 ft/lbs Southeast Tool SE33111
ER 11 Mini Nut 16mm M13 x 0.75 12mm SE04621 14 ft/lbs Southeast Tool SE23111
ER 16 HS Mini Nut 22mm M19 x 1.0 18mm SE04622 22 ft/lbs Southeast Tool SE33116
ER 16 Mini Nut 22mm M19 x 1.0 18mm SE04622 22 ft/lbs Southeast Tool SE23116
ER 20 HS Mini Nut 28mm M24 x 1.0 19.5mm SE04623 25 ft/lbs Southeast Tool SE33120
ER 20 Mini Nut 28mm M24 x 1.0 19.5mm SE04623 25 ft/lbs Southeast Tool SE23120
ER 25 HS Mini Nut 35mm M30 x 1.0 21mm SE04624 29 ft/lbs Southeast Tool SE33125
ER 25 HS L-Hand Nut 35mm M30 x 1.0 21mm SE04624 29 ft/lbs Southeast Tool SE33125-L
ER 25 Mini Nut 35mm M30 x 1.0 21mm SE04624 29 ft/lbs Southeast Tool SE23125