Page 1220 - Benma | Blue book 5.0

Turning jaws Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
250040 Block jaw BL
Not hardened, not graduated.
Set of 4 pieces
Order ID for Ø Order ID for Ø Order ID for Ø
mm mm mm
250040.0100 100 / 110 250040.0300 160 250040.0500 250
250040.0200 125 250040.0400 200

BL
250050 Base jaw GB
Hardened, with tightening screws.
Set of 4 pieces
Order ID for Ø Order ID for Ø
mm mm
250050.0100 125 250050.0300 200
250050.0200 160 250050.0400 250
GB
250060 Top jaw AB
Not hardened, not graduated.
Set of 4 pieces
Order ID for Ø Order ID for Ø
mm mm
250060.0100 125 250060.0300 200
250060.0200 160 250060.0400 250
AB

250100 Plane spiral chuck
FN cast
DIN 6350, cylindrical centring receptacle
With individually adjustable, centre-clamping jaws (Westcott system).
Version
Chuck body made of special cast, plane spiral and clamping jaws are case-hardened. Flanks of the
spiral and screw-thread flanks of the clamping jaws ground on both slides. Pinion and adjusting
spindle hardened and ground.
Application
For clamping irregularly formed workpieces. The base jaws can be adjusted centrally together with
the reverse jaws. In addition, the reverse jaws can be adjusted independently of each other with
the help of the adjusting spindle.
Standard accessories
1 Set of hardened basic jaws
1 Set of hardened reversible jaws
1 Set of screws
1 Clamping key, 1 adjusting key
Important: Adjust only the jaws with the adjusting spindle; workpieces must be clamped only
with pinion.
Replacement jaws and other sizes on request.
Order ID Ø d2 d5 Max. Speed
mm mm mm min -1
250100.0050 125 95 32 2800
250100.0200 160 125 47 2200
250100.0300 200 160 55 1700

Brütsch/Rüegger Tools Ltd. • Heinrich Stutz-Strasse 20 • P.O. Box • CH-8902 Urdorf • www.brw.ch 1211