Self-drilling countersunk screw with wings Torx® UNC Steel Zinc plated

Article number
Brand	Spedec
Head shape	Countersunk head
Material	Steel
Surface treatment	Zinc plated
Thread	Unified National Coarse
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 St37 (min.). E = Drillcap. in steel cross cross members St37 (max.). Applicable for direct-assembly of soft wooden beams on steel cross members. Max. grip length KL = L – L₁ St37 With higher steelqualities the max. drilling thickness is reduced.

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Specifications

Brand	Spedec
Head shape	Countersunk head
Material	Steel
Surface treatment	Zinc plated
Thread	Unified National Coarse
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 St37 (min.). E = Drillcap. in steel cross cross members St37 (max.). Applicable for direct-assembly of soft wooden beams on steel cross members. Max. grip length KL = L – L₁ St37 With higher steelqualities the max. drilling thickness is reduced.

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