DESCRIPITION:Thread Diameter -; Drill Bit for Threaded Hole - 3.2mm; Shaft Diameter - 4.5mm; Drill Bit for Shaft -; Core Diameter - 3.0mm; Hexagonal Socket - 3.5mm; Head Diameter - 8.0mm; SIZE CAT.NO. SIZE CAT.NO. SIZE CAT.NO.; 35mm 4109.235 65mm 4109.265 95mm 4109.295; 40mm 4109.240 70mm 4109.270 100mm 4109.300; 45mm 4109.245 75mm 4109.275 105mm 4109.305; 50mm 4109.250 80mm 4109.280 110mm 4109.310; 55mm 4109.255 85mm 4109.285; 60mm 4109.260 90mm 4109.290