Draper expert 16mm hss twist drill for m2 x 04 taps draper expert 53028 expert quality a selection of metric sized high speed straight shank twist drills specifically for drilling holes prior to tapping display packed one drill per card sizes 42 102mm and two drills per card sizes 16 33mmmanufactured to din338 and iso2351 specifications draper expert 53028 16mm hss twist drill for m2 x 04 taps