Standard_Parts_Catalogue

Page 1783 | 3.7 Connecting, Assembling with Clamping and Connecting Elements 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 The clamping bore of sensor holders GN 278.4 is mechanically machined and designed for construction tubes GN 990 or DIN 2391, DIN 2395 and DIN 2462. At the screw location z , the socket cap screw reduces the bore cross- section for clamping. For clamping without tools, the socket cap screw can be replaced by an adjustable lever GN 911 listed in the table as accessory. see also... • Construction Tubes GN 990 → Page 1835 • Retaining Rods / Tubes GN 480.1 → Page 1833 • Universal Work Holdings GN 177 (for Work Gripper Blocks GN 177.1) → Page 1806 • Attachment Mounting Clamps GN 478 → Page 1795 Information 1 d 1 2 d 2 3 Identification no. 4 Finish How to order 1 2 3 4 GN278.4-B30-B30-2-SW 3 Identification no. 2 With stainless steel socket cap screw DIN 912 • Aluminum Powder coated Black, RAL 9005, textured finish SW • Socket cap screws DIN 912 Stainless steel AISI 304 • Hexagon nuts DIN 985 Stainless steel AISI 304 Self-locking via polyamide ring • Stainless Steel Characteristics → Page 2166 • RoHS Specification 4 1 2 d 1 Bore for clamping Ø d 2 Bore for sensor b Swivel width d 3 k l 1 l 2 m t z Screw location Accessory Recom. hand lever GN 911 for  z l 3 B 20 B 18 B 30 40 50 40 95 40 43 10 M8-25 - - B 25 B 18 B 30 40 50 40 95 40 43 10 M8-25 63 78 B 30 B 18 B 30 40 50 40 95 40 43 10 M8-25 63 78 • Adjustable Hand Levers GN 911 → Page 1784 Accessory GN 278.4 Sensor Holders Aluminum