500 WAFERKOPF SELBSTBOHRENDE TEK METALLSCHRAUBEN ZINK 4,2 x 13,5, 16, ODER 19 mm
500 x TIMco Wafer Head Self-Drilling TEK Screws - Zinc. - 4.2mm x 19mm. - Plated in zinc 3-5 microns. - No.2 self-drilling tip. Four Sizes to Choose From - Made from C10-18 steel.