Stavebnicový systém MB 9 - EN

681 19 Drilled hole d 1 ⌀ 4.3 ±0.1 mm for M5 ⌀ 5 +0.2 mm for M6 ⌀ 6.8 -0.2 mm for M8 ⌀ 8.5 +0.1 -0.2 mm for M10 ⌀ 10.2 -0.2 mm for M12 Reborable up to d 2 ⌀ 6 mm or M6 ⌀ 8 mm or M8 ⌀ 13 mm or M12 (not Profile E) ⌀ 16 mm or M16 (not Profile E) ⌀ 20 mm or M20 a 5.0 +0.3 6.2 +0.3 8.0 +0.4 10.0 +0.4 12.0 +0.4 b 11.5 +0.3 16.3 +0.3 20.0 +0.4 25.0 +0.4 30.0 +0.3 c 6.35 ±0.15 9.75 +0.2 12.25 +0.3 15.5 +0.3 18.3 +0.3 d 1.8 ±0.1 3.0 -0.25 4.5 +0.3 5.3 +0.3 6.6 +0.3 e 0.15 ±0.1 0.15 ±0.1 0.2 ±0.1 0.25 ±0.1 0.3 ±0.1 Groove shape Normal 500 N 1,750 N 5,000 N 7,000 N 10,000 N Light 500 N 2,500 N 5,000 N E 1,750 N 3,500 N Profiles with Open Grooves Closed Grooves Number of Holes z [mm] Number of Holes z [mm] 1 0.4 1 0.6 2 to 4 0.6 > 1 0.8 > 4 0.8 The permissible tensile forces F on the groove flanks. These nominal loads include safety factors (S > 2) against plastic deformation. The hole position tolerance depends on the number of core bores and the profile contour. Groove Dimensions Core Bores Tensile Loading T E C H N I C A L D A T A