Irwin 80187 Tap and Drill Set HCS/HSS

135 deg split point screw. Machine length wire gauge. Includes plug taps #1112 4-40 NC, #1118 6-32 NC, #1124 8-32 NC, #1128 10-24 NC, #1131 10-32 NF, #1420 1/4 in-20 NC, drill bits #20143 #43, #20135 #35, #20129 #29, #20125 #25, # 20121 #21, #20107 #7 and #12401 T-handle tap wrench.