Retention Knobs

Retention knobs for rotary toolholders thread into the shank of tapered toolholders to create a pull stud for a milling machine's drawbar to grab. They make it possible to properly place and hold the toolholder in the spindle bore. Before causing harm to the toolholder or spindle bore, these knobs are used to replace stripped or deformed retention knobs. They're made to fit specific spindle diameters and tapers.
Grid
sort-descending
Retention Knob
TECHNIKS
17817
$31.98
Retention Knob
TECHNIKS
17822
$35.63
Retention Knob
TECHNIKS
17818
$35.63
Retention Knob
TECHNIKS
17836
$38.07
Retention Knob 0.9060 1 -8
TECHNIKS
21005-90
$30.08
Retention Knob 0.9060 1 -8
TECHNIKS
21005-60
$30.08
Retention Knob 0.9060 1 -8
TECHNIKS
21005-45
$32.19
Retention Knob 0.5900 M12
TECHNIKS
17812
$30.06
Retention Knob 0.5900 M12
TECHNIKS
17806
$30.06
Retention Knob 0.5900 M12
TECHNIKS
17801
$31.06
Retention Knob 1.1410 5/8 -11
LYNDEX-NIKKEN
C50-STD
$37.35
Retention Knob 0.7400 5/8 -11
LYNDEX-NIKKEN
C40-STD
$30.81
Retention Knob 0.5900 5/8 -11
LYNDEX-NIKKEN
C40S-9000
$34.17
Retention Knob 0.5900 5/8 -11
LYNDEX-NIKKEN
C40S-6000
$31.67
Retention Knob 0.5900 5/8 -11
LYNDEX-NIKKEN
C40S-4500(H)
$37.72
Retention Knob 0.5900 5/8 -11
LYNDEX-NIKKEN
C40S-4500
$31.67
Retention Knob 0.5900 5/8 -11
LYNDEX-NIKKEN
C40-9000(H)
$36.47
Retention Knob 0.5900 5/8 -11
LYNDEX-NIKKEN
C40-9000
$32.07
Retention Knob 0.5900 5/8 -11
LYNDEX-NIKKEN
C40-6000(H)
$38.29
Retention Knob 0.5900 5/8 -11
LYNDEX-NIKKEN
C40-6000
$32.60
Retention Knob 0.5900 5/8 -11
LYNDEX-NIKKEN
C40-4500(H)
$36.65
Retention Knob 0.5900 5/8 -11
LYNDEX-NIKKEN
C40-4500
$35.22
Retention Knob 0.9050 M24
LYNDEX-NIKKEN
B50-6000
$39.77
Retention Knob 0.7400 M16
LYNDEX-NIKKEN
B40-FADAL
$39.77
Retention Knob 0.5900 M16
LYNDEX-NIKKEN
B40-9000(H)
$37.59
Retention Knob 0.5900 M16
LYNDEX-NIKKEN
B40-9000
$34.53
Retention Knob 0.5900 M16
LYNDEX-NIKKEN
B40-4500(H)
$32.70
Retention Knob 0.5900 M16
LYNDEX-NIKKEN
B40-4500
$32.07
Retention Knob 0.5390 M12
LYNDEX-NIKKEN
B35-6000
$31.00
Retention Knob 0.4330 M12
LYNDEX-NIKKEN
B30-6000
$32.76
Retention Knob 28.96mm 1 -8
ERICKSON
RK50CV
$30.86
Retention Knob 18.80mm 5/8 -11
ERICKSON
RK40CV
$36.05
Retention Knob 0.4300 M12
PARLEC
3004TRK
$33.10
Retention Knob 0.9400 1 -8
PARLEC
MS5034TRK
$36.90
Retention Knob 0.9040 1 -8
PARLEC
MH500TRK
$35.53
Retention Knob 0.5880 5/8 -11
PARLEC
C400TRKC
$37.98
Retention Knob 0.5880 5/8 -11
PARLEC
C400TRK
$35.73
Retention Knob 1.1400 1 -8
PARLEC
50TRK
$30.84
Retention Knob 1.1400 1 -8
PARLEC
50NTRK
$30.84
Retention Knob 0.9040 1 -8
PARLEC
5005TRK
$34.78

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