Your partner for bronze
Your partner for bronze
As the Swiss market leader for bronze materials, Walter Looser AG can look back on a long history of success since its foundation in 1929.
Today, the Looser Bronze brand names are synonymous with the highest quality standards, combined with a wide range of semi-finished products such as tubes, rods, sheets and profiles made of copper alloys.
Thousands of very finely graded standard dimensions in stock as well as some innovative special materials characterize the company as a valuable supplier to the industry.
Certification ISO 9001 / 14001
The first SQS certification took place in 1998 with ISO 9002. in 2003, we switched to ISO 9001 and since April 2018, we have also been certified according to the environmental management standard ISO 14001.
Cutting Service Center
Benefit from our cutting services. We cut individual to series sections at short notice.
Approval for restamping
Traceability and material certification are becoming increasingly important. We have the corresponding approval.
Semi-finished products
Our semi-finished products are available in the following alloy groups:
- Multi-material tin bronzes and tin bronzes
- Aluminum bronzes
- Lead bronzes
- Special brasses
- Low-alloy wrought copper alloys
We stock semi-finished products in the form of round, flat, square and hexagonal bars and tube dimensions.
Finished products
We supply the following plain bearings for countless applications:
- Métafram BP 25 / FP 20
Self-lubricating sintered bearings - Wieland-B09
Rolled tin bronze bushes - Looser plain bearing LG 41
Standard bearing made of solid bronze
Finished parts according to drawing
From our entire product range, we offer you ready-to-install parts according to your customer drawing
Specialties
LB 50 round rods ground h8
For the bar turning industry, we stock ground round bars from 8-h8 to 50-h8 in Looser Bronze 50 (LB 50) from stock.
We supply pre-turned special dimensions for cylinder or flange liners manufactured by continuous or centrifugal casting to achieve the optimum finished mass for your application Special dimensions for casting alloys in the shape of bushes or rings can be produced economically using the centrifugal casting process. The parts are then pre-turned to the desired delivery dimensions. We supply flat or square cuts in special formats. We cut these to your desired format at the factory from continuous cast ingots measuring 250 x 510 x 3000 mm in the alloys Looser Bronze 50, Looser Bronze 65, Looser Bronze 68, Looser Bronze 66, Looser Lead Bronze 80, Looser Lead Bronze 82 and Looser Aluminum Bronze 75-1. We are also happy to offer ready-to-install parts directly according to your drawing. In Looser aluminum bronze 75, we offer you rolled and ultrasonically tested sheets or blanks in thicknesses from 4 to 145 mm. Sheets or blanks in thicknesses from 0.2 to 40 mm are also available in Looser phosphor bronze CuSn6.
We offer forged and ultrasonically tested round bars from stock in Looser aluminum bronze 75 from diameter 112 to 403. The physical and mechanical properties can be verified with a factory certificate EN 10204-3.1. With official approval for restamping from the Swiss Safety Center AG, we are also permitted to transfer batch numbers to blanks
We also supply forged bushes or rods, particularly in the alloys Looser aluminum bronze 75, Looser aluminum bronze 78 and in the electrode material CuCrZr. Mechanical properties can be agreed and documented with a works certificate EN 10204-3.1 on request.
Pre-turned cans
Centrifugal casting
Special formats edge profiles
Sheet metal blanks
Forged aluminum bronze
Forged special dimensions
Our new online store is live!
We are delighted to present our new Walter Looser online shop nnennennen!
From now on, you can order our diverse range of high-quality products conveniently online around the clock.
What can you expect?
- User-friendly interface for quick and easy ordering
- Real-time availability – always up-to-date with stock levels and delivery times
News
Our location
Info
Walter Looser AG
We have been passionately dedicated to bronze since 1929. As a reliable partner, we offer a strong range and high-quality service for bronze and plain bearings.
Our team
Dedicated, experienced and close to the customer: Our team supports you from consultation to delivery. With technical expertise and short communication channels, we will find the right solution for your application - reliably and on time
New location
We have been there for you in Regensdorf since November 17, 2025. Our new company headquarters at Althardstrasse 83 offers short distances and optimal conditions to continue to serve you reliably and on time.