ISO 866:2016
Current
The latest, up-to-date edition.
Centre drills for centre holes without protecting chamfers — Type A
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English, French
10-08-2016
ISO 866:2016 specifies the dimensions of centre drills for centre holes without protecting chamfers (Type A).
It covers only metric dimensions, which are regarded as the only recommended dimensions in the future for this type of drill.
The flutes may be straight or spiral, depending on the manufacturer's discretion.
Unless otherwise indicated, these drills will be right-hand cutting.
Recommended dimensions for Type A centre holes, which can be obtained by a rational use of the centre drills listed in this International Standard, are given in Annex A.
| Committee |
ISO/TC 29/SC 9
|
| DevelopmentNote |
Supersedes ISO/DIS 866. (08/2016)
|
| DocumentType |
Standard
|
| Pages |
6
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NF ISO 866 : 2016 | Identical |
| NEN ISO 866 : 2016 | Identical |
| BS ISO 866:2016 | Identical |
| SS-ISO 866:2020 | Identical |
| BS 328-2:1972 | Identical |
| NBN E 66 111 : 1983 | Identical |
| NFE 60 051 : 1983 | Similar to |
| NBN E 60 001 : 1983 | Identical |
| SAC GB/T 145 : 2001 | Identical |
| NS 1916 : 1ED 1969 | Identical |
| BS ISO 2541:2016 | Centre drills for centre holes with radius form. Type R |
| SAE MA 1759B : 2012 | CENTER HOLE, METRIC |
| BS EN ISO 6411:1997 | Technical drawings. Simplified representation of centre holes |
| BS 308-1.23(1997) : 1997 | TECHNICAL DRAWINGS - SIMPLIFIED REPRESENTATION OF CENTRE HOLES |
| SAE J 2276 : 1998 | NUMBERING SYSTEM FOR MULTIPLE DIAMETER CUTTING TOOLS |
| DIN ISO 6411:1997-11 | TECHNICAL DRAWINGS - SIMPLIFIED REPRESENTATION OF CENTRE HOLES |
| ISO 2541:2016 | Centre drills for centre holes with radius form — Type R |
| EN ISO 6411:1997 | Technical drawings - Simplified representation of centre holes (ISO 6411:1982) |
| DIN 333:1986-04 | 60 DEGREE CENTRE DRILLS - TYPES R, A, AND B |
| ISO 2540:2016 | Centre drills for centre holes with protecting chamfer — Type B |
| ISO 6411:1982 | Technical drawings — Simplified representation of centre holes |
| SAE J 2122 : 1998 | NUMBERING SYSTEM FOR SINGLE DIAMETER DRILLS |
| DIN ISO 5419:1998-06 | TWIST DRILLS - TERMS, DEFINITIONS AND TYPES |
| ISO 2541:2016 | Centre drills for centre holes with radius form — Type R |
| ISO 2540:2016 | Centre drills for centre holes with protecting chamfer — Type B |
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