Self-drilling mushroom head screw with SR recess Steel Zinc plated

Article number
Driving features	SR
Head shape	Mushroom head
Material	Steel
Surface treatment	Zinc plated
Thread	Self tapping thread
Info	Warning: electroplating of these products may cause hydrogen embrittlement. A = Breaking load min. in N. B = Shear strength min. in N. C = Ultimate moment in Nm. D = Drillcap. in steel cross cross members (min.). E = Drillcap. in steel cross cross members (max.). F = Drillcap. in aluminium cross cross members (min.). G = Drillcap. in aluminium cross cross members (max.). Applicable for direct-assembly of plywood and particleboard liners on aluminium and steel cross members. Max. grip length KL = L – L₁ SR-recess is a cross recess/square recess combination. Assembly with SR screwdriver bits, see group code 31630 and 31640. Steel with pull-out force max. 540 N/mm².

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Specifications

Driving features	SR
Head shape	Mushroom head
Material	Steel
Surface treatment	Zinc plated
Thread	Self tapping thread
Info	Warning: electroplating of these products may cause hydrogen embrittlement. A = Breaking load min. in N. B = Shear strength min. in N. C = Ultimate moment in Nm. D = Drillcap. in steel cross cross members (min.). E = Drillcap. in steel cross cross members (max.). F = Drillcap. in aluminium cross cross members (min.). G = Drillcap. in aluminium cross cross members (max.). Applicable for direct-assembly of plywood and particleboard liners on aluminium and steel cross members. Max. grip length KL = L – L₁ SR-recess is a cross recess/square recess combination. Assembly with SR screwdriver bits, see group code 31630 and 31640. Steel with pull-out force max. 540 N/mm².

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