d1d1 d2d2 aa UNC Short machine taps American unified coarse thread 1 UNC, ANSI B-1.1600 l1 P l3 l2 HSS l1 DIN l2 352 P M K Material groups N S H Hole type < 1,5d Quality of material HSS Coating Chamfer ~3P Norma DIN-352 UNC Ć d1 1''/P P l1 l2 l3 Ć d2 a Tol. 2B INDEX E1-131001 No4-40 2,844 40 0,635 40 10 18 3,5 2,7 2,35 4104 No5-40 3,175 40 0,640 42 10 18 3,5 2,7 2,65 4105 No6-32 3,505 32 0,794 45 11 18 4,0 3,0 2,85 4106 No8-32 4,166 32 0,794 48 12 23 4,5 3,4 3,50 4108 No10-24 4,826 24 1,060 52 14 26 6,0 4,9 3,90 4110 No12-24 5,486 24 1,060 56 16 27 6,0 4,9 4,50 4112 1/4-20 6,350 20 1,270 56 16 27 6,0 4,9 5,20 4127 5/16-18 7,938 18 1,411 63 20 - 6,0 4,9 6,60 4128 3/8-16 9,525 16 1,588 70 22 - 7,0 5,5 8,00 4129 7/16-14 11,112 14 1,814 70 22 - 8,0 6,2 9,40 4130 1/2-13 12,700 13 1,954 80 25 - 9,0 7,0 10,80 4131 9/16-12 14,288 12 2,117 80 26 - 11,0 9,0 12,20 4132 5/8-11 15,875 11 2,309 80 27 - 12,0 9,0 13,50 4133 3/4-10 19,050 10 2,540 95 30 - 14,0 11,0 16,50 4135 7/8-9 22,225 9 2,822 100 32 - 18,0 14,5 19,50 4137 1-8 25,400 8 3,175 110 36 - 18,0 14,5 22,25 4139 1.1/8-7 28,575 7 3,629 125 40 - 22,0 18,0 25,00 4141 1.1/4-7 31,750 7 3,629 125 40 - 22,0 18,0 28,00 4143 1.3/8-6 34,925 6 4,233 150 50 - 28,0 22,0 30,75 4145 1.1/2-6 38,100 6 4,233 150 50 - 28,0 22,0 34,00 4147 1.3/4-5 44,450 5 5,080 160 58 - 36,0 29,0 39,50 4151 2-4.1/2 50,800 41/2 5,644 180 65 - 40,0 32,0 45,00 4155 ISO Vc (m/min) P 5-20 M - K - N - S - Example of order Available from stock 66 E1-131001-4106 On request Tap No6-32 UNC 2B DIN-352 HSS