Präzisionswerkzeuge Karl Bruckner GmbH: S-Series/A-Series

Back to overview

S Series / A Series – the allrounder with head bearings

The centres from our S series and A series offer the user an economic solution for almost every standard workholding situation.
From turning, CNC turning, cylindrical grinding to measuring and inspection centres of both series fulfill the high requirements of performance, precision and tool life.

Supplementary seal for all
types of S series and A series.
Works as a splash ring for operations
involving heavy flows of coolant
(see type S/SG).

1Runout with test report

Precision design:
max. 0.005 mm
High-precision design:
max. 0.003 mm

2Centrepoint through-hardened

made of alloy tool steel

3Sealing through
shaft seal ring

protects the bearings from dirt and coolant.

4Precision roller bearings

for supporting high axial and radial load. Maintenance-free due to permanent lubrication.

5Housing

of high tensile alloy steel. Head and shank hardened.

S Series without draw-off thread

Types S/SG

Centrepoint 60°

Types SKOP/SKOPG

Centrepoint 60°/40° extended

Types SH/SHG

Centrepoint 60° carbide-tipped

Types SV/SVG

Centrepoint 60° full carbide

Types SE/SEG

Centre spindle with 1:7.5 internal taper for interchangeable inserts

A Series with draw-off thread

Type AS, ASG

Centrepoint 60°

Type ASKOP

Centrepoint 60°/40°
extended

Type ASHG

Centrepoint 60°
carpide-tipped

Type ASE

Centrepoint with internale taper 1:7,5 for interchangeable inserts

Karl Bruckner GmbH
Präzisionswerkzeugfabrik

Bruckwiesenstraße 11-15
71384 Weinstadt
Ortsteil Grossheppach