GB/T 120.1-2000 in English

《GB/T 120.1-2000内螺纹圆柱销 不淬硬钢和奥氏体不锈钢》由TC85（全国紧固件标准化技术委员会）归口，主管部门为中国机械工业联合会。
本标准规定了公称直径d=6～50mm、公差为m6、材料为不淬硬钢和奥氏体不锈钢的内螺纹圆柱销。

1 Scope
This standard specifies the characteristics of parallel pins with internal thread of unhardened steel and austenitic stainless steel with nominal diameters d=6~50mm, tolerance is m6.

2.Normative Reference
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
GB/T 90-1985 Acceptance inspection,marking and packaging of fasteners (EQV ISO 3269:1984)
GB/T 197-1981 General purpose screw threads--Tolerances and fits for diameter from 1 to 355mm
GB/T 1237-2000 Designation system for fasteners (EQV ISO 8991:1986)
GB/T 3098.6-2000 Mechanical properties of corrosion-resistant stainless-steel fasteners-Part 1:Bolts,screws and studs (IDT ISO 3506-1:1997)
GB/T 5267-1985 Electroplated coatings on threaded fasteners
GB/T 11376-1997 Phosphate conversion coatings for metals (EQV ISO 9717:1990)