DESCRIPITION:FLAT HEAD; SARE; Profile; Thread Diameter - 4.5mm; Drill Bit for Threaded Hole - 3.2mm; Drill Bit for Gliding Hole - 4.5mm; Core Diameter - 3.0mm; Hexagonal Socket - 3.5mm; Head Diameter - 8.0mm; SIZE CAT.NO. SIZE CAT.NO.; 24mm 4106.524 34mm 4106.534; 26mm 4106.526 36mm 4106.536; 28mm 4106.528 38mm 4106.538; 30mm 4106.530 40mm 4106.540; 32mm = 4106.532; CANCELLOUS SCREW 6.5mm; DIA, 32mm THREAD FLAT HEAD