Malone Specialty Inc. offers a Carbon Steel Male Metric Parallel to Tube 90º Elbow without an adjustable locknut and O-Ring as well as a 316 Stainless Steel Male Metric Parallel to Tube 90° Elbows without an adjustable locknut and O-Ring, in various sizes. Our Metric Parallel to Tube Elbows comply with the DIN 3859-1 specifications. These Metric Elbows come complete with a Metric Tube Nut and Tube Sleeve for each side, and uses a bite type connection style for the tube end. The Metric Parallel end must use a Bonded Seal or Copper Washer for sealing purposes as a port style seal, and is not suitable as a tube style connection.