Identification no. 2 - with 2 clamping screws DIN912, stainless steel
GN231 Tube Support, Aluminium, Split Assembly
The clamping bores of the tube supports GN 231 are not machined and designed for construction tubings GN990 or DIN2391, DIN2395 and DIN2462 respectively.
The standard clamping bolts are socket cap screws DIN912. They can be used in place of adjustable clamping levers GN911 (see table of dimensions).
Aluminium, plastic coated, black, RAL 9005, textured finish SW. Blank BL, matt shot-blasted
Clamping bores not machined
Socket cap screws DIN912, Steel ST, zinc plated / Stainless Steel NI, AISI 304
Hexagon nuts DIN985, Steel ST, zinc plated / Stainless Steel NI, AISI 304
Adjustable clamping lever GN911, zinc die casting
Inserts / distance bushings - Stainless Steel NI, AISI 303