d1d1 d2d2 aa High performance machine taps UNF American unified fine thread 800 UNF, ANSI B-1.1 B C-R40600l1 1 HSSPEPM l3 l2 HSSE l1 DIN l2 371 DIN 374 P M K P M K Material groups N S H N S H Hole type < 2,5d < 3d Quality of material HSSE HSSE Coating Chamfer B / 4-5P C / 2-3P Norma DIN-371 l2 UNF Ć d1 1''/P P l1 l2 R40 l 3 Ć d2 a Tol. 2B 2B INDEX C2-111101 C2-511101 No6-40 3,505 40 0,635 56 12 6 20 4,0 3,0 2,95 4206 No8-36 4,165 36 0,706 63 12 7 21 4,5 3,4 3,50 4208 No10-32 4,826 32 0,794 70 14 8 25 6,0 4,9 4,10 4210 No12-28 5,486 28 0,907 80 18 10 30 6,0 4,9 4,60 4212 1/4-28 6,350 28 0,907 80 18 10 30 7,0 5,5 5,50 4227 5/16-24 7,938 24 1,058 90 20 13 35 8,0 6,2 6,90 4228 3/8-24 9,525 24 1,058 90 20 15 35 10,0 8,0 8,50 4229 Norm DIN-374 UNF Ć d1 1''/P P l1 l2 l2R40l 3 Ć d2 a Tol. 2B 2B INDEX D2-111101 D2-511101 7/16-20 11,112 20 1,270 100 20 15 - 8,0 6,2 9,90 4230 1/2-20 12,700 20 1,270 100 20 15 - 9,0 7,0 11,50 4231 9/16-18 14,288 18 1,411 100 20 15 - 11,0 9,0 12,90 4232 5/8-18 15,875 18 1,411 100 20 15 - 12,0 9,0 14,50 4233 3/4-16 19,050 16 1,588 110 24 17 - 14,0 11,0 17,50 4235 7/8-14 22,225 14 1,814 125 24 17 - 18,0 14,5 20,40 4237 1-12 25,400 12 2,117 140 27 22 - 18,0 14,5 23,25 4239 1.1/8-12 28,575 12 2,117 150 27 22 - 22,0 18,0 26,50 4241 1.1/4-12 31,750 12 2,117 150 27 22 - 22,0 18,0 29,50 4243 1.3/8-12 34,925 12 2,117 170 30 22 - 28,0 22,0 32,75 4245 1.1/2-12 38,100 12 2,117 170 30 24 - 28,0 22,0 36,00 4247 ISO Vc (m/min) P 5-20 5-20 M 5-10 5-10 K 5-15 5-15 N 5-25 5-25 S - - Example of order Available from stock C2-111101-4210 On request 69 Tap 800 No10-32 UNF 2B DIN-371 B HSSE