Kev kub ceev ceev steel lub qhov pom txiav rau hlau
Khoom Qhia
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Cov qauv zoo thiab ruaj khov HSS High-ceev steel yog siv, uas muaj lub hardness siab, cuam tshuam tsis ceev, kev tiv thaiv thiab kub tsis kam; Lub zog yog qhov ntse, txiav kev tiv thaiv, kev siv tsawg, 50% siv sijhawm pab ntau dua, corrosion tsis kam, thiab muaj cov divability kub heev. Ib qho ntxiv, High-ceev steel muaj ntau dua rigidity, uas ua rau nws zoo tagnrho rau cov neeg siv kev nrhiav nrawm, kev txiav cov hlau. Tsis tas li ntawd, cov qauv hlau no muaj corrosion tsis kam, yog tsis muaj zog heev, thiab nyuaj rau kev txiav.
Qhov tseem ceeb ntawm cov hlau no pom yog nws lub caij nplooj ntoo hlav, uas pab tswj cov chips noj thiab pab txoj kev khiav tawm yog li cov laum me me tsis tau puas. Txhua qhov kev txiav yog ib feem ntawm kev txiav kev ua, uas txo tus brittleness ntawm lub qhov.
Dhau li ntawm qhov yooj yim-rau-txiav tuaj nrog ntse zog, tiv thaiv cov khoom lag luam muaj peev xwm ua tau, lub neej muaj kev pabcuam ntev, nrog rau nws lub zog ntse, Kev tsis muaj qis tiv thaiv, thiab lub neej pabcuam ntev. Lub Sharper txiav ntug ntawm cov laum me ntsis txo lub zog txiav, txo tus nqi drilling, thiab txhim kho qhov zoo ntawm lub qhov ntsa.
Qho tseem ceeb
Nti | MM |
15/32 ' | 12 |
1/2 ' | 13 |
9/16 ' | 14 |
19/32 ' | 15 |
5/8 '' | 16 |
21/32 ' | 17 |
3/4 ' | 19 |
25/32 ' | 20 |
13/16 ' | 21 |
7/8 '' | 22 |
15/16 ' | 24 |
1 '' | 25 |
1-1 / 32 ' | 26 |
1-3 / 32 '' | 27 |
1-1 / 8 ' | 28 |
1-3 / 16 '' | 30 |
1-1 / 4 '' | 32 |
1-11 / 32 ' | 34 |
1-3 / 8 '' | 35 |
1-1 / 2 '' | 38 |
1-2/1 '' | 40 |
1-21 / 32 '' | 42 |
1-25 / 32 ' | 45 |
1-7 / 8 '' | 48 |
1-31 / 32 '' | 50 |
2-1 / 16 '' | 52 |
2-1 / 8 ' | 54 |
2-5 / 32 '' | 55 |
2-9 / 32 '' | 58 |
2-3 / 5 '' | 60 |
2-9 / 16 '' | 65 |
2-3 / 4 '' | 70 |
2-15 / 16 '' | 75 |
2-3 / 32 '' ' | 80 |
2-13 / 32 ' | 85 |
2-17 / 32 ' | 90 |
3-3 / 4 '' | 95 |
4 '' | 100 |