Ground centre drill bits, 60° countersink angle, made of HSS.For quick, safe centre holesReduced breakingRight edge with 118° cutting angleFor drilling steel and metal.tg {border-collapse:collapse;border-spacing:0;}.tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;}.tg th{font-family:Arial, sans-serif;font-size:14px;font-weight:normal;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;}.tg .tg-s268{text-align:left} Product Code Part Number Ø D L mm mm mm 004220116 422 1.60 1.6 4 35.5 004220125 422 2.50 2.5 6.3 45 004220131 422 3.15 3.15 8 50