Type A - with bore.
Type W - with bolt.
GN 483 T-Swivel Clamp Mountings, with Bore or Bolt
These T swivel clamp mountings, GN483, can be easily combined with swivel clamp mountings GN482, swivel clamp mountings with connector bases GN485 and attachment clamp mountings GN484 with the same k dimensions to create articulated swivel clamp mounting joints. Clamping kits GN511.1 with screw, type S, and adjustable hand lever, type K, are also available for this purpose.
Matt, ground MT.
Anodized black ELS.
Bolt (Type W) - Steel zinc-plated, blue passivated.
Grub screw DIN 913 (Type A) - Stainless Steel AISI 304
Grub screw DIN 915 (Type W) - Stainless Steel AISI 304