c. Screws (in sizes M5 x 0.8 thru M12 x 1.75) manufactured from medium carbon alloy steel, heat treated to achieve properties comparable to SAE J1199 class 10.9 screws, and additionally, with the point selectively hardened. These screws are designated SAE J1237 Type 10 ?. 1.2 When SAE J...
1.1 三種材料製程選項的要求如下所述: a.SAE J1237 Type 2˙ b.SAE J1237 Type 9 到相當於SAE J1199 Class 9.8的螺絲,另於尾端選擇性地加以硬化. c.SAE J1237 Type 10˙ 1.2 當規定依據SAE J1237而無標示等級時,可供給Type 2˙或Type 9˙. 註- 本規範所涵蓋的施行要求僅適用於實驗室能符合本規範...