High Quality HSS Twist drill metric hss twist drill,high hardness, high temperature resistance etc. drill. hex drill. twist drill. material:HSS 4341/4241/9341/6542/M35,etc.surfac
countersink drill HSSCountersinkdrill DIN 335 C - 90°
Center drills bit Center drills, metric sizes, (DIN 333 Form A) HSS-G Item No.Nominal diameterd Shank diameterd1Overall lengthLlmaxminA0010.633.1531.51.20.9A0020.803.1
Step Drills(inch) FOB Price Payment Terms L/CT/TMin. Order Quantity 10 Set/Sets Production Capacity 30000 Set/Sets / Month Packaging Details plastic box,wooden box
Step Drill (3PCS) step drill FOB Price Payment Terms L/C T/T Min. Order Quantity 10 Set/Sets Production Capacity 30000 Set/Sets / Month Packaging Details plastic box,w
step drills Item No.DescriptionStepsStep length SD10014-12mm5 step5mmSD10024-12mm9 step11mmSD10034-20mm9 step5mmSD10044-22mm10 step5mmSD10054-32mm15 step5mmSD100
Step drill bit Step drill bit Item No.DescriptionStepsStep lengthSD10014-12mm5 step5mmSD10024-12mm9 step11mmSD10034-20mm9 step5mmSD10044-22mm10 step5mmSD10054-32mm1