 |
 |
部品等級 |
 |
: |
 |
A |
 |
 |
材 料 |
 |
: |
 |
構造用合金鋼 |
 |
 |
強度区分 |
 |
: |
 |
12.9(M1.6〜M20) |
|
 |
|
 |
|
 |
10.9(M1.6〜M30) |
 |
 |
硬 さ |
 |
: |
 |
39〜44HRC(12.9) |
|
 |
|
 |
|
 |
32〜39HRC(10.9) |
 |
 |
表面処理 |
 |
: |
 |
黒色酸化被膜 |
 |
 |
ね じ |
 |
: |
 |
JIS B 0205(メートル並目、細目ねじ) |
 |
 |
等 級 |
 |
: |
 |
JIS B 0209-3 5g6g (12.9) |
|
 |
|
 |
|
 |
JIS B 0209-2 6g (10.9) |
|
 |
 |
 |
 |
Grade |
 |
: |
 |
A |
 |
 |
 |
Material |
 |
: |
 |
Special Alloy Steel |
 |
 |
 |
Strength Grade |
 |
: |
 |
12.9(M1.6〜M20) |
 |
|
 |
|
 |
|
 |
10.9(M1.6〜M30) |
 |
 |
 |
Hardness |
 |
: |
 |
39〜44HRC(12.9) |
 |
|
 |
|
 |
|
 |
32〜39HRC(10.9) |
 |
 |
 |
Surface Treatment |
 |
: |
 |
Black Oxide |
 |
 |
 |
Screw Threads |
 |
: |
 |
JIS B 0205(Coarse and Fine) |
 |
 |
 |
Class of Thread |
 |
: |
 |
JIS B 0209-3 5g6g (12.9) |
 |
|
 |
|
 |
|
 |
JIS B 0209-2 6g (10.9) |
|