Keystone螺丝Shoulder Screws
品牌：Keystone 人气：
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产品简介
Keystone螺丝Shoulder Screws：
Precision Ground Shoulder Screws
Available in 4-40, 6-32, and 8-32 Threads
Shoulder diameter ground to +0.000/-0.001.
Shoulder length tolerance: +0.002/-0.000
Material: Stainless Steel per ASTM-A581/A582.
