ASME B18.6.3-2013
机械螺钉、自攻螺钉、金属传动螺钉(英制系列)
Machine Screws@ Tapping Screws@ and Metallic Drive Screws (Inch Series)
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- 标准号
- ASME B18.6.3-2013
- 发布
- 2013年
- 发布单位
- 美国机械工程师协会
- 被代替标准
- ASME B18.6.3:2010
- 适用范围
- This Standard is intended to cover the complete general and dimensional data for the various types of slotted and recessed head machine screws, tapping screws, and metallic drive screws recognized as American National Standard. Also included are appendices that provide specifications and instructions for the protrusion gaging of flat countersunk head screws; across-corners gaging of hex head screws; penetration gaging and wobble gaging of recessed head screws; approximate hole size for tapping screws; wrench openings for hex and square products; thread dimensions for the No. 0000, No. 000, and No. 00 sizes; means for determining effective grip lengths on screws; documentation for screw types and head types relegated to not-recommended or limited usage status; and formulas on which dimensional data are based. It shall be understood, however, that where questions arise concerning acceptance of product, the dimensions in the tables shall govern over recalculation by formula.
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