|
|
材 料 |
|
: |
|
構造用合金鋼 |
|
|
強度区分 |
|
: |
|
12.9 |
|
|
硬 さ |
|
: |
|
39〜44HRC |
|
|
表面処理 |
|
: |
|
黒色酸化被膜 |
|
|
ね じ |
|
: |
|
JIS B 0205(メートル並目ねじ) |
|
|
等 級 |
|
: |
|
JIS B 0209-2 6g |
|
|
|
|
|
Material |
|
: |
|
Special Alloy Steel |
|
|
|
Strength Grade |
|
: |
|
12.9 |
|
|
|
Hardness |
|
: |
|
39〜44HRC |
|
|
|
Surface Treatment |
|
: |
|
Black Oxide |
|
|
|
Screw Threads |
|
: |
|
JIS B 0205 (Coarse) |
|
|
|
Class of Thread |
|
: |
|
JIS B 0209-2 6g |
|
|
|
|
|
|
|
(Coarse) |
|