Standarta urbuma zobrati (standarta urbums)
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A tips
Plakans zobrats bez rumbas pagarinājuma abās pusēs.
B tips
Zobrats ar rumbas pagarinājumu vienā pusē
C tips
Zobrats ar rumbas pagarinājumu abās pusēs
Eiropas standarts
| Nē. | Izmērs | Zoba rādiuss r3 | Rādiusa platums C | Piķis | Iekšējais platums | Veltnis φ | Zobu diapazons |
| 03B-1 | 5 * 2,5 mm | 5 | 0.6 | 5 | 2.5 | 3.2 | 8-125 |
| 04B-1 | 6 * 2,8 mm | 6 | 0.7 | 6 | 2.8 | 4 | 8-125 |
| ASA25 | 1/4″*1/8″ | 6.4 | 0.7 | 6.35 | 3.18 | 3.3 | 8-125 |
| 05B-1-2 | 8 * 3 mm | 8 | 1 | 8 | 3 | 5 | 8-125 |
| 06B-1-2-3 | 3/8″*7/32″ | 10 | 1 | 9.525 | 5.72 | 6.35 | 8-125 |
| 081B-1 | 1/2″*1/8″ | 13 | 1 | 12.7 | 3.3 | 7.75 | 8-125 |
| 083B/084B-1 | 1/2″*3/16″ | 13 | 1.3 | 12.7 | 4.88 | 7.75 | 8-125 |
| 085B-1 | 1/2″*1/4″ veltnis 7,75 | 13 | 1.3 | 12.7 | 6.4 | 7.75 | 8-125 |
| 085B-1 | 1/2″*1/4″ veltnis 8.51 | 13 | 1.3 | 12.7 | 6.4 | 8.51 | 8-125 |
| 08B-1-2-3 | 1/2″*5/16″ | 13 | 1.3 | 12.7 | 7.75 | 8.51 | 8-125 |
| 10B-1-2-3 | 5/8″*3/8″ | 16 | 1.6 | 15.875 | 9.65 | 10.16 | 8-125 |
| 12B-1-2-3 | 3/4″*7/16″ | 19 | 2 | 19.05 | 11.68 | 12.07 | 8-125 |
| 16B-1-2-3 | 1 collas * 17,02 mm | 26 | 2.5 | 25.4 | 17.02 | 15.88 | 8-125 |
| 20B-1-2-3 | 1″1/4*3/4″ | 32 | 3.5 | 31.75 | 19.55 | 19.05 | 8-114 |
| 24B-1-2-3 | 1″1/2*1″ | 38 | 4 | 38.1 | 25.4 | 25.4 | 8-90 |
| 28B-1-2-3 | 1″3/4*1″1/4 | 44 | 5 | 44.45 | 30.99 | 27.94 | 8-76 |
| 32B-1-2-3 | 2″*1″1/4 | 51 | 5 | 50.8 | 30.99 | 29.21 | 8-76 |
Amerikāņu standarts
| Nē. | Piķis | Veltnis φ | Zoba platums | Zobu diapazons | Tips |
| Nr.25 | 1/4″ | 1.30″ | B1 = 0,110 collas | 9-72 | AB |
| Nr.35 | 3/8″ | 0.2 | B1 = 0,168 collas | 8-112 | AB |
| Nr.35-2 | 3/8″ | 0.200″ | b1 = 0,162 collas B2 = 0,561 collas | 12-102 | B |
| Nr. 35-3 | 3/8″ | 0.200″ | b1 = 0,162 collas B2 = 0,561 collas B3 = 0,960 collas | 13-102 | B |
| Nr.41 | 1/2″ | 0.306″ | B1 = 0,227 collas | 6-112 | AB |
| Nr.40 | 1/2″ | 0.312″ | B1 = 0,284 collas | 8-112 | AB |
| Nr.40-2 | 1/2″ | 0.312″ | b1 = 0,275 collas B2 = 0,841 collas | 11-112 | B |
| Nr.40-3 | 1/2″ | 0.312″ | b1=0,275 collas B2=0,841 collas B3=1,407 collas | 11-102 | B |
| Nr.50 | 5/8″ | 0.400″ | B1 = 0,343 collas | 8-112 | AB |
| Nr.50-2 | 5/8″ | 0.400″ | b1 = 0,332“ B2 = 1,045” | 11-112 | |
| Nr.50-3 | 5/8″ | 0.400″ | b1=0,332“ B2=1,045” B3=1,758” | 11-102 | pirms mūsu ēras |
| Nr.60 | 3/4″ | 0.468″ | B1 = 0,459 collas | 8-112 | AB |
| Nr.60-2 | 3/4″ | 0.468″ | b1 = 0,444“ B2 = 1,341” | 11-95 | pirms mūsu ēras |
| Nr.60-3 | 3/4″ | 0.468″ | b1=0,444“ B2=1,341” B3=2,238” | 11-95 | pirms mūsu ēras |
| Nr.80 | 1″ | 0.625″ | B1 = 0,575 collas | 8-112 | ABC |
| Nr.80-2 | 1″ | 0.625″ | b1 = 0,575 collas B2 = 1,710 collas | 10-95 | pirms mūsu ēras |
| Nr.80-3 | 1″ | 0.625″ | b1=0,575 collas B2=1,710 collas B3=2,863 collas | 11-95 | pirms mūsu ēras |
| Nr.100 | 1 1/4″ | 0.750″ | B1 = 0,692 collas | 7-96 | ABC |
| Nr.100-2 | 1 1/4″ | 0.750″ | b1 = 0,669 collas B2 = 2,077 collas | 9-80 | pirms mūsu ēras |
| Nr.100-3 | 1 1/4″ | 0.750″ | b1=0,669 collas B2=2,077 collas B3=3,485 collas | 11-80 | pirms mūsu ēras |
| Nr.120 | 1 1/2″ | 0.875″ | B1 = 0,924 collas | 8-90 | ABC |
| Nr.120-2 | 1 1/2″ | 0.875″ | b1 = 0,894 collas B2 = 2,683 collas | 11-60 | pirms mūsu ēras |
| Nr.140 | 1 3/4″ | 1.000″ | b1 = 0,924 collas | 11-80 | ABC |
| Nr.140-2 | 1 3/4″ | 1.000″ | b1 = 0,894 collas B2 = 2,818 collas | 13-60 | pirms mūsu ēras |
| Nr.160 | 2″ | 1.125″ | B1 = 1,156 collas | 8-80 | ABC |
| Nr.160-2 | 2″ | 1.125″ | b1=1,119 collas B2=3,424 collas | 13-60 | pirms mūsu ēras |
| Nr.200 | 2 1/2″ | 1.562″ | B1=1,389 collas | 10-60 | ABC |
| Nr.200-2 | 2 1/2″ | 1.562″ | b1=1,344 collas B2=4,161 collas | 11-60 | pirms mūsu ēras |
| Nr.240 | 3″ | 1.875″ | B1 = 1,738 collas | 10-60 | ABC |
Āzijas standarts
| Nē. | Zoba platums T | Piķis P | Iekšējais platums W | Roller Dr | Zobu diapazons |
| NK11SB | 1.6 | 3.7465 | 1.83 | 2.285 | 12-48 |
| NK15B | 4.7625 | 2.38 | 2.48 | 11-35 | |
| NK25B | 2.8 | 6.35 | 3.18 | 3.3 | 10-80 |
| NK35B | 4.3 | 9.525 | 4.78 | 5.08 | 9-80 |
| NK410B | 2.8 | 12.7 | 3.4 | 7.77 | 10-40 |
| NK40B | 7.2 | 12.7 | 7.95 | 7.95 | 9-90 |
| NK50B | 8.7 | 15.875 | 9.53 | 8-90 | |
| NK60B | 11.7 | 19.05 | 12.7 | 11.91 | 9-90 |
| NK80B | 14.6 | 25.4 | 15.88 | 15.88 | 9-90 |
| NK100B/NK100C | 17.6 | 31.75 | 19.05 | 19.05 | 9-75 |
| NK120B/NK120C | 23.5 | 38.1 | 25.4 | 22.23 | 10-60 |
| NK140B/NK140C | 23.5 | 44.45 | 25.22 | 25.4 | 10-60 |
| NK160B/NK160C | 29.4 | 50.8 | 31.55 | 28.58 | 10-35 40-60 |
| NK180B/NK180B | 33 | 57.15 | 35.72 | 35.71 | 11-20 21-60 |
| NK200B/NK200C | 35.3 | 63.5 | 37.85 | 39.68 | 11-18 19-60 |
| NK35-2B | 4.1 | 9.525 | 4.78 | 5.08 | 10-60 |
| NK40-2B | 7 | 12.7 | 7.95 | 7.95 | 10-70 |
| NK50-2B | 8.4 | 15.875 | 9.53 | ||
| NK60-2B | |||||
| NK80-2B | 15.88 | 15.88 | |||
| NK100-2B | |||||
| NK100-2C | |||||
| NK120-2B | |||||
| NK120-2C |
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