This standard specifies types, dimensions, specifications and designation of slotted pan head screws.
This standard is applicable to slotted pan head screws of product grade A and with thread specification from M1.6 to M10, with property class 4.8, 5.8, A2-50, A2-70, CU2, CU3 and AL4.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 5267.4 Passivation of Corrosion-resistant Stainless-steel Fasteners (GB/T 5267.4-2009, ISO 16048:2003, IDT)
GB/T 5276 Fasteners — Bolts, Screws, Studs and Nuts — Symbols and Descriptions of Dimensions (GB/T 5276-2015, ISO 225:2010, MOD)
GB/T 5779.1 Fasteners — Surface Discontinuities — Bolts, Screws and Studs for General Requirements (GB/T 5779.1-2000, idt ISO 6157-1:1988)
GB/T 9145 General Purpose Metric Screw Threads — Limits of Sizes for the Screw Threads of Medium Quality and Preferable Plan (GB/T 9145-2003, ISO 965-2:1998, MOD)
GB/T 16938 Fasteners — General Requirements for Bolts, Screws, Studs and Nuts (GB/T 16938-2008, ISO 8992:2005, IDT)
3 Dimensions
For types and dimensions of screws, see Figure 1 and Table 1.
Symbols and descriptions of dimensions are specified in GB/T 5276.
Foreword II 1 Scope 2 Normative References 3 Dimensions 4 Specifications and Reference Standards 5 Designation
