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 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.

Description	D	M	B	Spanner	Maximum Torque	Brand	Part #
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

ER Bearing Nuts

Description	Diameter	Inside Diameter	Length	Spanner	Maximum Clamp Torque	Part 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 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.

Description	D	M	B	Spanner	Maximum Torque	Brand	Part #
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

Southeast Tool
ER40 Collet Nut with Bearing, 63mm OD, 34mm ID, 28mm Length, Southeast Tool SE21240
ER Bearing Nut Measures 63mm Outside Diameter, 34mm Inside Diameter, 28mm Length. 140 ft/lbs max tor…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $96.17

Was:

Now: $83.30
Southeast Tool
ER32 Collet Nut with Bearing, 50mm OD, 22mm ID, 25mm Length, Southeast Tool SE21232
ER Bearing Nut Measures 50mm Outside Diameter, 22mm Inside Diameter, 25mm Length. 125 ft/lbs max tor…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $88.90

Was:

Now: $77.01
Southeast Tool
ER25 Collet Nut with Bearing, 42mm OD, 21mm ID, 22.5mm Length, Southeast Tool SE21225
This part has been discontinued. The suggested replacement for this part is SE46125. We …

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $74.85

Was:

Now: $64.85
Southeast Tool
ER40 High Speed Coated Collet Nut, 50 x 1.5 ID, 63 Dia, Southeast Tool SE46140
ER High Speed Coated Nuts - ER40 High Speed Nut - Southeast Tool SE46140; See table for dimensions*M…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $88.46

Was:

Now: $76.64
Southeast Tool
ER32 High Speed Coated Collet Nut, 40 x 1.5 ID, 50 Dia, Southeast Tool SE46132
ER High Speed Coated Nuts - ER32 High Speed Nut - Southeast Tool SE46132; See table for dimensions*M…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $84.04

Was:

Now: $72.80
Southeast Tool
ER25 High Speed Coated Collet Nut, 32 x 1.5 ID, 42 Dia, Southeast Tool SE46125
ER High Speed Coated Nuts - ER25 High Speed Nut - Southeast Tool SE46125; See table for dimensions*M…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $97.30

Was:

Now: $84.29
Southeast Tool
ER20 High Speed Coated Collet Nut, 25 x 1.5 ID, 35 Dia, Southeast Tool SE46120
ER High Speed Coated Nuts - ER20 High Speed Nut - Southeast Tool SE46120; See table for dimensions*M…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $90.23

Was:

Now: $78.16
Southeast Tool
ER16 High Speed Coated Collet Nut, 22 x 1.5 ID, 32 Dia, Southeast Tool SE46116
ER High Speed Coated Nuts - ER16 High Speed Nut - Southeast Tool SE46116; See table for dimensions*M…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $92.11

Was:

Now: $79.79
Southeast Tool
ER11 High Speed Coated Collet Nut, 14 x .75 ID, 19 Dia, Southeast Tool SE46111
ER High Speed Coated Nuts - ER11 High Speed Nut - Southeast Tool SE46111; See table for dimensions*M…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $81.39

Was:

Now: $70.52
Southeast Tool
LH ER 25 High Speed Nut, Southeast Tool SE33125-L
ER Mini Nuts - High Speed Nut - Southeast Tool SE33125-L Use ER High-Speed mini nuts for application…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $132.67

Was:

Now: $114.93
Southeast Tool
ER 25 High Speed Mini Nut, Southeast Tool SE33125
ER Mini Nuts - High Speed Nut - Southeast Tool SE33125 Use ER High-Speed mini nuts for applications …

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $104.36

Was:

Now: $90.40
Southeast Tool
ER 20 High Speed Mini Nut, Southeast Tool SE33120
ER Mini Nuts - High Speed Nut - Southeast Tool SE33120 Use ER High-Speed mini nuts for applications …

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $97.30

Was:

Now: $84.29
Southeast Tool
ER 16 High Speed Mini Nut, Southeast Tool SE33116
ER Mini Nuts - High Speed Nut - Southeast Tool SE33116 Use ER High-Speed mini nuts for applications …

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $95.52

Was:

Now: $82.74
Southeast Tool
ER 11 High Speed Mini Nut, Southeast Tool SE33111
ER Mini Nuts - High Speed Nut - Southeast Tool SE33111 Use ER High-Speed mini nuts for applications …

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $97.30

Was:

Now: $84.29
Southeast Tool
ER 8 High Speed Mini Nut, Southeast Tool SE33108
ER Mini Nuts - High Speed Nut - Southeast Tool SE33108 Use ER High-Speed mini nuts for applications …

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $105.87

Was:

Now: $91.72
Southeast Tool
ER 25 Mini Nut, Southeast Tool SE23125
ER Mini Nuts - Southeast Tool SE23125; See table for dimensions*Most Southeast Tool products are mad…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $55.72

Was:

Now: $48.28
Southeast Tool
ER 20 Mini Nut, Southeast Tool SE23120
ER Mini Nuts - Southeast Tool SE23120; See table for dimensions*Most Southeast Tool products are mad…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $53.07

Was:

Now: $45.97
Southeast Tool
ER 16 Mini Nut, Southeast Tool SE23116
ER Mini Nuts - Southeast Tool SE23116; See table for dimensions*Most Southeast Tool products are mad…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $53.07

Was:

Now: $45.97
Southeast Tool
ER 11 Mini Nut, Southeast Tool SE23111
ER Mini Nuts - Southeast Tool SE23111; See table for dimensions*Most Southeast Tool products are mad…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $53.07

Was:

Now: $45.97
Southeast Tool
ER 8 Mini Nut, Southeast Tool SE23108
ER Mini Nuts - Southeast Tool SE23108; See table for dimensions*Most Southeast Tool products are mad…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $53.07

Was:

Now: $45.97

ER Collet Nuts

ER High Speed Coated Nuts

ER Bearing Nuts

ER Mini Nuts

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