GB/T 17112-1997

Abolished

Spot drills

定心钻

Standard Type

GBT

ICS

25.100.30

CCS

J41

Status

Abolished

Issue Date

1997-11-13

Implementation

1998-07-01

Centralized Committee

中国机械工业联合会

Issuing Authority

中国机械工业联合会

Application Summary AI generated

GB/T 17112-1997 specifies the dimensions, technical requirements, and marking of spot drills used for creating precise conical starting holes in workpieces. It is applied in manufacturing industries, particularly for machining centers and lathes, to ensure accurate centering and guidance for subsequent drilling operations. The standard is critical in metalworking contexts where hole positioning and alignment must meet strict tolerances.

Related Standards

GB/T 19323-2003 Coated abrasives--Plain discs with holes for dust extraction GB/T 4676-2003 Abrasive grains--Sampling and splitting GB/T 2492-2003 Bonded abrasive products--Permissible unbalances of grinding wheels as delivered--Testing GB/T 3045-2003 Abrasive grains--Chemical analysis of silicon carbide GB/T 19324-2003 Coated abrasives--Plain sheets with holes for dust extraction GB/T 6408-2003 Super abrasive--Cubic boron nitride GB/T 3464.2-2003 Long reduced shank taps GB/T 6087-2003 Key type three-jaw drill chucks

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.