ASME B18.2.1-1996
英制方頭和六角頭螺栓和螺釘(英制系列)

Square and hex bolts and screws (Inch series)

ASME B18.2.1-1996 發布歷史

This Standard covers the complete general and dimensional data for eight product types of inch series square and hex bolts and screws. Also included are appendixes covering thread runout sleeve gages, gaging procedure for checking bolt and screw straightness, grade markings for steel bolts and screws, formulas on which dimensional data are based, and a specification to assist in identifying a product as being a screw or a bolt. It should be understood, however, that where questions arise concerning acceptance of product, the dimensions in the tables shall govern over recalculation by formula. Heavy hex structural bolts, formerly covered in ANSI B18.2.1, are now covered in ASME B18.2.6.

ASME B18.2.1-1996由美國機械工程師協會 US-ASME 發布于 1996。

ASME B18.2.1-1996 在中國標準分類中歸屬于: J13 緊固件，在國際標準分類中歸屬于: 21.060.10 螺栓、螺釘、螺柱。

ASME B18.2.1-1996的歷代版本如下：

• 1981年 ASME B18.2.1-1981 英制方頭和六角頭螺栓和螺釘
• 1996年 ASME B18.2.1-1996 英制方頭和六角頭螺栓和螺釘(英制系列)
• 2010年 ASME B18.2.1-2010 方頭,六角頭,六角重型以及斜頭螺栓和六角頭,六角重型，六角輪緣，裂頭以及方頭螺絲(英制系列)
• 2012年 ASME B18.2.1-2012 方頭、六角頭、六角重型以及斜頭螺栓和六角頭、六角重型、六角輪緣、裂頭以及方頭螺絲(英制系列)

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標準號

ASME B18.2.1-1996

發布日期

1996年

實施日期

廢止日期

無

中國標準分類號

J13

國際標準分類號

21.060.10

發布單位

US-ASME

代替標準

ASME B18.2.1-2010

適用范圍

This Standard covers the complete general and dimensional data for eight product types of inch series square and hex bolts and screws. Also included are appendixes covering thread runout sleeve gages, gaging procedure for checking bolt and screw straightness, grade markings for steel bolts and screws, formulas on which dimensional data are based, and a specification to assist in identifying a product as being a screw or a bolt. It should be understood, however, that where questions arise concerning acceptance of product, the dimensions in the tables shall govern over recalculation by formula. Heavy hex structural bolts, formerly covered in ANSI B18.2.1, are now covered in ASME B18.2.6.

ASME B18.2.1-1996系列標準

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