... 10mm to 13mm. 2)Guaranteed quality, favorable price. hammer nuts HS001-HS006: Bracket(length and width varies from ... 19mm to 40mm)HS007-HS013: Philip head hammer nuts(specification: M6*10,M6*11,M6*13, ... 16*17, Material: Znic alloy)HS018-HS019: Cross head hammer nuts(Specification: M6*13, M6*13 Material: Iron) ... HS020-HS024: Slotted hammer nuts(M6*13,1/4*16,8*9.8,9*12)As we have ...