加拿大外贸
1.Perimeter at top of head to be chamfered or rounded. taper on head shall not exceed 0,17 per side. axis of head shall be at true position relative to screw axis within a 0.60 Dia. tolerance zone. plane of bearing face to be perpendicular to screw axis within 2°. Radius under head 0.9 max. .a slight rounding of all edges and corners of upset head is permissible provided head protrudes not less than 2.62 beyond a gaging ring of 10.89-10.898 dia. placed over the t-op of head, normal to screw axis.
2.threads within point taper length shall have sharp crests and rounded roots. point may be truncated or sharp, if sharp, no extrusion of excess metal beyond apex of point sha-ll be permissible.
3.washer shall be retained on screw shank but must rotate without binding on shank before and during installation. radial section thru washer shall be flat but may be slightly conv-ex.
4.use of indentation and shape and size shall be optional. manufacturers identification and the property class marking "9.8" shall appear on top of head per material specification.
加拿大电商做区块链为什么都注册新加坡基金会 目前做区块链项目的客户都会通过注册基金会来作为项目的主体，为什么都在新加坡注册基金会，首先性价比高，而且新加坡市场也比较成熟，项目 加拿大电商露天电影首发——葡中双语字幕《中央车站》 http://bbs.shanghai.com/thread-1714999-1-1.html screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoo
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