DESCRIPITION: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. SIZE CAT. NO.; 10mm 4106.0121 32mm 4106.032; 12mm 4106.012. 56mm; 14mm = 4106.014. 4106.036 58mm = 4106.058; 16mm 4106.016 38mm 4106.038 60mm 4106.060; 18mm = 4106.018 40mm = 62mm = 4106.062; 20mm 4106.020 42mm 4106.042 64mm 4106.064; 22mm 44mm 66mm __ 4106.066; 24mm = 4106.024 46mm 4106.046 68mm 4106,068; 26mm 48mm 4106.048 70mm 4106.070; 28mm 50mm 4106.050 72mm 4106.072; _| 30mm 52mm 74mm = 4106.074; A-13