Page 1219 - Benma | Blue book 5.0
P. 1219
Turning jaws Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
250000 Four-jaw chuck FN
FN casting
DIN 6350, cylindrical centring receptacle
Design
Chuck body made of special casting with central lubrication. Plane spiral and clamping jaws harde-
ned. Flanks of the spiral and screw-thread flanks of the clamping jaws ground.
Application
Standard chuck usable on lathes, rotary tables, dividers, etc.
Normal accessories
1 set of drill jaws (externally graduated)
1 set of turning jaws (internally graduated)
1 set of screws, chuck key
DIN 6350 Order ID A D E Max. Speed
mm mm mm min -1
250000.0100 Ø 110 80 27 3500
250000.0200 Ø 125 95 32 3200
250000.0300 Ø 160 125 42 3000
250000.0400 Ø 200 160 55 2500
250000.0500 Ø 250 200 76 2000
250010 Four-jaw chuck FN
FN cast
DIN 55029, with stud bolt for Camlock
Design
Chuck body made of special cast with central lubrication. Plane spiral and clamping jaws hardened.
Flanks of the spiral and screw-thread flanks of the clamping jaws ground.
Application
Standard chuck usable on lathes, rotary tables, dividers, etc.
Normal accessories
1 set of drill jaws (externally graduated)
1 set of turning jaws (internally graduated)
1 set of screws, chuck key
DIN 55029
Steel version upon request
Order ID A Short cone size E D F Max. Speed
mm mm mm mm min -1
250010.0100 Ø 125 3 32 54 70.7 3200
250010.0200 Ø 125 4 32 63.5 82.5 3200
250010.0300 Ø 160 4 42 63.5 82.5 3000
250010.0400 Ø 200 4 55 63.5 82.5 2500
250010.0500 Ø 200 5 55 82.6 104.8 2500
250010.0600 Ø 200 6 55 106.4 133.4 2500
250010.0700 Ø 250 5 76 82.6 104.8 2000
250010.0800 Ø 250 6 76 106.4 133.4 2000
250020 Drill jaw BB
Hardened, externally graduated.
Set of 4 pieces
Stepped and hardened jaws, supplied as supplement or as spares, must be ground on the chuck.
Order ID for Ø Order ID for Ø Order ID for Ø
mm mm mm
250020.0100 100 / 110 250020.0300 160 250020.0500 250
250020.0200 125 250020.0400 200
BB
250030 Turning jaw DB
Hardened, internally graduated.
Set of 4 pieces
Stepped and hardened jaws, supplied as supplement or as spares, must be ground on the chuck.
Order ID for Ø Order ID for Ø Order ID for Ø
mm mm mm
250030.0100 100 / 110 250030.0300 160 250030.0500 250
250030.0200 125 250030.0400 200
DB
1210 Brütsch/Rüegger Tools Ltd. • Heinrich Stutz-Strasse 20 • P.O. Box • CH-8902 Urdorf • www.brw.ch

