GB/T 3-1997

Active

Run-outs，undercuts and chamfers forgeneral purpose metric screw threads

普通螺纹收尾、肩距、退刀槽和倒角

Standard Type
GBT
ICS
21.040
CCS
J04
Status
Active
Issue Date
1997-06-06
Implementation
1998-01-01
Centralized Committee
国家标准委
Issuing Authority
国家标准委

Application Summary AI generated

This standard specifies the dimensions and configurations of run-outs, undercuts, and chamfers for general purpose metric screw threads. It is applied in mechanical engineering and manufacturing to ensure proper thread termination and tool clearance during machining processes. The standard is used by engineers and machinists when designing or producing threaded components like bolts, screws, and nuts to avoid stress concentrations and facilitate assembly.

Related Standards

GB/T 9144-2003 General purpose metric screw threads--Preferable plan GB/T 2516-2003 General purpose metric screw threads--Limit deviations GB/T 197-2003 General purpose metric screw threads--Tolerances GB/T 196-2003 General purpose metric screw threads--Basic dimensions GB/T 193-2003 General purpose metric screw threads--Generalplan GB/T 192-2003 General purpose metric screw threads--Basic profile GB/T 1414-2003 General purpose metric screw threads--The plan for pipe systems GB/T 9146-2003 General purpose metric screw threads--Limits of sizes for the screw threads of coarse quality and preferable plan
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.