The name SMW-AUTOBLOK is synonymous with high quality workholding and performance in grip force, precision and longevity.

Economical, reliable solutions with easy handling are our trademark. Innovative, patented products and continuous development of new products are the proof of our efforts to serve our customers.

SMW-AUTOBLOK is recognized worldwide as the leading manufacturer of workholding, and our range of Hand or Power operated expanding mandrels feature:

Type EM-A Hand or power operated expanding mandrels - Expanding mandrels from Ø14,7 - 129,7 mm - Large expansibility 1-2 mm depending on size - Flange mounting - Very rigid design.

Type EM-B-0 Hand or power operated expanding mandrels - Expanding mandrels from Ø16,0 - 25,0 mm - Large expansibility 0,5 mm depending on size - Flange mounting - Very rigid design.

Type EM-B-1 Hand or power operated expanding mandrels - Expanding mandrels from Ø20,0 - 40,0 mm - Large expansibility 0,5 mm depending on size - Flange mounting - Very rigid design.

Type EM-B-2 Hand or power operated expanding mandrels -Expanding mandrels from Ø35,0 - 60,0 mm - Large expansibility 0,5 mm depending on size - Flange mounting - Very rigid design.

Type EM-B-3 Hand or power operated expanding mandrels - Expanding mandrels from Ø55,0 - 80,0 mm - Large expansibility 1,0 mm depending on size - Flange mounting - Very rigid design.

Type EM-B-4 Hand or power operated expanding mandrels - Expanding mandrels from Ø80,0 - 129,5 mm - Large expansibility 1,5 mm depending on size - Flange mounting - Very rigid design
Adapter flanges ISO-A.

Special Mandrels, besides our standard range, we offer special manufacturing solutions for your applications

To help you select the right type of Expanding Mandrels for your application, please call our engineers on: +44(0)1733 394 394