1 Scope
This standard specifies the type, specification; dimension, technical requirements, testing method and acceptance rule of set screws for insert bearings (hereinafter referred to as screws).
This standard is applicable to the production, inspection and acceptance of set screws for insert bearings.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
GB/T 90.1-2002 Fasteners - Acceptance Inspection (ISO 3269:2000, IDT)
GB/T 90.2-2002 Fasteners - Marking and Packaging
GB/T 197-2003 General Purpose Metric Screw Threads - Tolerances (ISO 965-1:1998, MOD)
GB/T 3077-1999 Alloy Structure Steels (neq DIN EN 10083-1:1991)
GB/T 3098.3-2000 Mechanical Properties of Fasteners - Set Screws (idt ISO 898-5:1998)
GB/T 3103.1-2002 Tolerances for Fasteners - Bolts, Screws, Studs and Nuts (ISO 4759-1:2000, IDT)
GB/T 5276-1985 Fasteners; Bolts, Screws, Studs and Nuts; Symbols and Designations of Dimensions (eqv ISO 225:1983)
Contents
Foreword I
1 Scope
2 Normative Reference
3 Symbols (See Figure 1~Figure 4)
4 Types and Dimensions
5 Technical Requirements
6 Marking
7 Testing Method and Acceptance Rule
8 Marking and Packaging
Appendix A (Informative) Other Set Screws for Insert Bearings
Figure 1 Tooth End Type (ST)
Figure 2 W End Type (SW)
Figure 3 Concave End Type (S)
Figure 4 Ball End Type (SQ)
Table 1 Dimensions of Screws