BT 40 ER COLLET CHUCK

HIGH PRECISION TOOLHOLDING

ER Collet Chucks are an ideal solution for most drilling and lighter higher speed milling applications producing operational speeds as high as 25,000 RPM. The versatile design of the ER Collet Chuck provides a wide range of machining options, from production to high precision machining. Simply select the right collet and nut combination from our range of performance choices to achieve the best toolholder for your application.  


ER Collet Chucks
  • Available in BT40, BT 40 AD/B(B40BC) coolant and BT 40 Simulfit (B40F)
  • Collet seat taper T.I.R. ≤ .0002”
  • Accepts DIN 6499 collets
  • Balanced to G2.5
  • Constructed of alloy steel for long, durable service life
  • Hardened to Rc: 52-56 to avoid damaging collet chuck treads

Collet Range Specifications 


Collet & Nut Performance Selection
 

Part #
Taper:
Class:
Size:
Simulfit:
DIN Coolant:
B:
C:
Socket Depth:
Nut:
Nut Type:
Torque:
Back Up Screw:
Wrench:
 
B40-11ERF400
BT 40
STANDARD
ER 11
N
N
.75"
4.00"
2.25"
11ERHN
FLUSH NUT
22 Ft. Lbs
029-909
300CNW
B40-16ERF250
BT 40
STANDARD
ER 16
N
N
1.10"
2.50"
1.50"
16ERHN
FLUSH NUT
52 Ft. Lbs.
BS-20
ECN20W
B40-16ERF300
BT 40
STANDARD
ER 16
N
N
1.10"
3.00"
2.00"
16ERHN
FLUSH NUT
52 Ft. Lbs.
BS-20
ECN20W
B40-16ERP312
BT 40
STANDARD
ER 16
N
N
1.10"
3.12"
2.00"
16ERHPN
POWER NUT
42 Ft. Lbs.
-
ECN20W
B40-16ERF400
BT 40
STANDARD
ER 16
N
N
1.10"
4.00"
3.50"
16ERHN
FLUSH NUT
52 Ft. Lbs.
BS-20
ECN20W
B40-16ERP412
BT 40
STANDARD
ER 16
N
N
1.10"
4.12"
3.50"
16ERHPN
POWER NUT
42 Ft. Lbs.
-
ECN20W
B40-16ERF500
BT 40
STANDARD
ER 16
N
N
1.10"
5.00"
2.00"
16ERHN
FLUSH NUT
52 Ft. Lbs.
BS-20
ECN20W
B40-16ERP512
BT 40
STANDARD
ER 16
N
N
1.10"
5.12"
2.00"
16ERHPN
POWER NUT
42 Ft. Lbs.
-
ECN20W
B40-20ERF400
BT 40
STANDARD
ER 20
N
N
1.34"
4.00"
1.50"
20ERHN
FLUSH NUT
74 Ft. Lbs
BS-09
20ERHNW
B40-20ERF600
BT 40
STANDARD
ER 20
N
N
1.34"
6.00"
2.00"
20ERHN
FLUSH NUT
74 Ft. Lbs
BS-09
20ERHNW
B40-25ERF400
BT 40
STANDARD
ER 25
N
N
1.64"
4.00"
1.50"
25ERN
FLUSH NUT
95 Ft. Lbs.
-
25ERNW
B40-25ERF600
BT 40
STANDARD
ER 25
N
N
1.64"
6.00"
2.00"
25ERN
FLUSH NUT
95 Ft. Lbs.
-
25ERNW
B40-32ERF400
BT 40
STANDARD
ER 32
N
N
1.97"
4.00"
3.88"
32ERN
FLUSH NUT
125 Ft. Lbs.
BS-18
32ERNW
B40-32ERF600
BT 40
STANDARD
ER 32
N
N
1.97"
6.00"
3.88"
32ERN
FLUSH NUT
125 Ft. Lbs.
BS-18
32ERNW
B40-40ERF400
BT 40
STANDARD
ER 40
N
N
2.47"
4.00"
4.10"
40ERN
FLUSH NUT
162 Ft. Lbs.
BS-10
40ERNW
B40-40ERP412
BT 40
STANDARD
ER 40
N
N
2.47"
4.12"
4.10"
40ERPN
POWER NUT
146 Ft. Lbs
-
40ERNW
B40-40ERF600
BT 40
STANDARD
ER 40
N
N
2.47"
6.00"
4.10"
40ERN
FLUSH NUT
162 Ft. Lbs.
BS-10
40ERNW
B40BC-11ERF400
BT 40 AD/B
STANDARD
ER 11
N
Y
.75"
4.00"
2.25"
11ERHN
FLUSH NUT
22 Ft. Lbs
029-909
300CNW
B40BC-16ERF300
BT 40 AD/B
STANDARD
ER 16
N
Y
1.10"
3.00"
2.00"
16ERHN
FLUSH NUT
52 Ft. Lbs.
BS-20
ECN20W
B40BC-16ERF400
BT 40 AD/B
STANDARD
ER 16
N
Y
1.10"
4.00"
3.50"
16ERHN
FLUSH NUT
52 Ft. Lbs.
BS-20
ECN20W
B40BC-16ERF500
BT 40 AD/B
STANDARD
ER 16
N
Y
1.10"
5.00"
2.00"
16ERHN
FLUSH NUT
52 Ft. Lbs.
BS-20
ECN20W
B40BC-32ERF400
BT 40 AD/B
STANDARD
ER 32
N
Y
1.97"
4.00"
3.88"
32ERN
FLUSH NUT
125 Ft. Lbs.
BS-18
32ERNW
B40BC-40ERF400
BT 40 AD/B
STANDARD
ER 40
N
Y
2.47"
4.00"
4.10"
40ERN
FLUSH NUT
162 Ft. Lbs.
BS-10
40ERNW
B40BC-40ERP412
BT 40 AD/B
STANDARD
ER 40
N
Y
2.47"
4.12"
4.10"
40ERPN
POWER NUT
146 Ft. Lbs
-
40ERNW
B40F-16ERF300
BT 40 Simulfit
STANDARD
ER 16
Y
N
1.10"
3.00"
2.00"
16ERHN
FLUSH NUT
52 Ft. Lbs.
BS-20
ECN20W
B40F-16ERF500
BT 40 Simulfit
STANDARD
ER 16
Y
N
1.10"
5.00"
2.00"
16ERHN
FLUSH NUT
52 Ft. Lbs.
BS-20
ECN20W
B40F-20ERF400
BT 40 Simulfit
ER 20
Y
1.34"
4.00"
1.50"
20ERHN
FLUSH NUT
74 Ft. Lbs.
BS-09
20ERHNW
B40F-32ERF400
BT 40 Simulfit
STANDARD
ER 32
Y
N
1.97"
4.00"
3.88"
32ERN
FLUSH NUT
125 Ft. Lbs.
BS-18
32ERNW
B40F-32ERF600
BT 40 Simulfit
STANDARD
ER 32
Y
N
1.97"
6.00"
3.88"
32ERN
FLUSH NUT
125 Ft. Lbs.
BS-18
32ERNW
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