Rail Nut [RCN] The rail nuts allow mounting of the heavy series clamps to the RAL-4 Heavy series rail. Group Order Number ØD1 ØD2 H1 H2 H3 Thread H3-H5 HS-RCN-99-*-RN7 0.698 in. (17.8 mm) 0.750 in. (19 mm) 0.750 in. (19 mm) 0.297 in. (7.6 mm) 0.219 in. (5.6 mm) 3/8 - 16 UNC (M10 metric) H6 HS-RCN-99-*-RN8 0.778 in. (19.8 mm) 0.875 in. (22.2 mm) 0.813 in. (20.7 mm) 0.359 in. (9.1 mm) 0.219 in. (5.6 mm) 7/16 - 14 UNC (M12 metric) H7 HS-RCN-99-*-RN9 0.938 in. (23.8 mm) 1.125 in. (28.6 mm) 1.700 in. (43.2 mm) 1.075 in. (27.3 mm) 0.375 in. (9.5 mm) 5/8 - 11 UNC (M16 metric) H8-H10 N/A - - - - - - *Materials: C Unplated Carbon Steel (Standard Material) T AISI 304 Grade Stainless Steel (A2 - 1.4301/1.4305) X AISI 316 Grade Stainless Steel (A4 - 1.4401/1.4571) Z Zinc Plated Steel (Special Order) Mounting Rail [RAL-4] DIN 3015-2 Behringer’s Heavy series RAL-4 is used to mount clamps with heavy rail nuts. This allows clamps from multiple groups to memounted to the same rail. The RAL-4 conforms to the DIN 3015-2 specification. Group Order Number W1 W2 L T H H3-H7 HS-RA4-99-*-XXX 1.563 in. (40 mm) 0.469 in. (12 mm) See Below 0.188 in. (5 mm) 0.875 (22 mm) *Materials: C Unplated Carbon Steel (Standard Material) T AISI 304 Grade Stainless Steel (A2 - 1.4301/1.4305) X AISI 316 Grade Stainless Steel (A4 - 1.4401/1.4571) Z Zinc Plated Steel (Special Order) xxx Length: 2ME 78 in. (2m) Length (Standard Length)     14.5 lbs ea. 1ME 39 in. (1m) Length (Special Length)         7.25 lbs ea. Custom sizes available on request Mounting Rail [RAL-2] Behringer’s proprietary Heavy series RAL-2 is used to mount clamps with Weld Plates (SWP). The weld plate slides into the rail, eliminating the need for rail nuts. The RAL-2 fits Groups H3-H5 weld plates. Group Order Number W1 W2 L T H H3 - H5 HS-RA2-99-*-XXX 1.750 in. (44.4 mm) 0.750 in. (19 mm) See Below 0.125 in. (3 mm) 0.750 in. (19 mm) *Materials: C Unplated Carbon Steel (Standard Material) T AISI 304 Grade Stainless Steel (A2 - 1.4301/1.4305) X AISI 316 Grade Stainless Steel (A4 - 1.4401/1.4571) Z Zinc Plated Steel (Special Order) xxx Length: 6FT 72 in. (1829 mm) Length (Standard Length)     8lbs. each 3FT 36 in. (914 mm) Length (Special Length)          4lbs. each Custom sizes available on request

Mounting Rail [RAL-3] Behringer’s proprietary Heavy series RAL-3 is used to mount clamps with Weld Plates (SWP). The weld plate slides into the rail, eliminating the need for rail nuts. The RAL-2 fits Group H6 weld plates only. Group Order Number W1 W2 L T H H6 HS-RA3-99-*-XXX 2.215 in. (54 mm) 1.000 in. (25.4 mm) See Below 0.125 in. (3 mm) 0.813 in. (20.7 mm) *Materials: C Unplated Carbon Steel (Standard Material) T AISI 304 Grade Stainless Steel (A2 - 1.4301/1.4305) X AISI 316 Grade Stainless Steel (A4 - 1.4401/1.4571) Z Zinc Plated Steel (Special Order) xxx Length: 6FT 72 in. (1829 mm) Length (Standard Length)     9.6lbs. each 3FT 36 in. (914 mm) Length (Special Length)          4.8lbs. each Custom sizes available on request