
Резьба витворта (крупный шаг) BSW, BS-84:1956
800
55
HSSE P PM
B / 4-5P — DIN-371(~DIN2182), нормальная точность
C / 2-3P — нормальная точность
| BSW | Ćd1 | 1''/P | P | l1 | l2 | l2 R40 | l3 | Ćd2 | a | INDEX C2-111101 | INDEX C2-511101 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/8-40 | 3,175 | 40 | 0,635 | 56 | 10 | 5 | 18 | 3,5 | 2,7 | 2,55 | 7123 |
| 3/16-24 | 4,762 | 24 | 1,058 | 70 | 14 | 8 | 25 | 6,0 | 4,9 | 3,70 | 7125 |
| 1/4-20 | 6,350 | 20 | 1,270 | 80 | 18 | 13 | 30 | 7,0 | 5,5 | 5,10 | 7127 |
| 5/16-18 | 7,938 | 18 | 1,411 | 90 | 20 | 20 | 35 | 8,0 | 6,0 | 6,50 | 7128 |
| 3/8-16 | 9,525 | 16 | 1,588 | 100 | 21 | 20 | 39 | 10,0 | 8,0 | 7,90 | 7129 |
Норма DIN-376(~DIN2182)
| BSW | Ćd1 | 1''/P | P | l1 | l2 | l2 R40 | l3 | Ćd2 | a | INDEX D2-111101 | INDEX D2-511101 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 7/16-14 | 11,112 | 14 | 1,814 | 100 | 22 | 15 | - | 8,0 | 6,2 | 9,25 | 7130 |
| 1/2-12 | 12,700 | 12 | 2,117 | 110 | 24 | 18 | - | 9,0 | 7,0 | 10,50 | 7131 |
| 5/8-11 | 15,875 | 11 | 2,309 | 110 | 32 | 22 | - | 12,0 | 9,0 | 13,50 | 7133 |
| 3/4-10 | 19,050 | 10 | 2,540 | 125 | 32 | 25 | - | 14,0 | 11,0 | 16,40 | 7135 |
| 7/8-9 | 22,225 | 9 | 2,822 | 140 | 32 | 30 | - | 18,0 | 14,5 | 19,25 | 7137 |
| 1-8 | 25,400 | 8 | 3,175 | 160 | 38 | 30 | - | 20,0 | 16,0 | 22,00 | 7139 |
| ISO | Vc (m/min) | Vc (m/min) |
|---|---|---|
| P | 5-20 | 5-20 |
| M | - | - |
| K | 5-15 | 5-15 |
| N | 5-25 | 5-25 |
| S | - | - |
C2-111101-7123
Машинные метчики 800 1/8-40 BSW DIN-371 C HSSE
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