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Fasteners - Clearanc holes for bolts and screws

DIN EN 20273 - 1992

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Similar Standards

1 12 point socket for bolts and screws [DIN]
DIN 34824 - 2007 		12 point socket for bolts and screws
2 Connections for general use and fluid power - Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing - Part 4: Stud ends for general use only with metal-to-metal sealing (type B) [ISO]
ISO 1179-4 - 2007 		Connections for general use and fluid power - Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing - Part 4: Stud ends for general use only with metal-to-metal sealing (type B)
3 Dimensions of Type TRS Tapping Screws [ASME/ANSI]
ASME/ANSI B 18.6.3 (T45) - 2013 		Dimensions of Type TRS Tapping Screws
4 Thread rolling screws for ISO metric thread guidelinge values for hole diameters [DIN]
DIN 7500-2 - 1984 		Thread rolling screws for ISO metric thread guidelinge values for hole diameters
5 Geometrical product specifications (GPS) - Indication of surface texture in technical product documentation [ISO]
ISO 1302 - 2002 		Geometrical product specifications (GPS) - Indication of surface texture in technical product documentation
6 Tapping screw connections - Guideline values for core hole diameters and use [DIN]
DIN 7975 - 2016 		Tapping screw connections - Guideline values for core hole diameters and use
7 Standard Test-Plate Thickness and Hole Sizes for Drive-Test Inspection of Tapping Screws [ASME]
ASME B 18.6.3 (T4.11.1-1) - 2024 		Standard Test-Plate Thickness and Hole Sizes for Drive-Test Inspection of Tapping Screws
8 Cross recessed-Z type [ISO]
ISO 4757 - 1983 		Cross recessed-Z type
9 Countersunk head screws—Head configuration and guaging [ISO]
ISO 7721 - 1983 		Countersunk head screws—Head configuration and guaging
10 Dimensions of Threads and Points for Type D, F, G, and T Thread-Cutting Tapping Screws [ASME/ANSI]
ASME/ANSI B 18.6.3 (T44) - 2013 		Dimensions of Threads and Points for Type D, F, G, and T Thread-Cutting Tapping Screws
11 Dimensions of Hexagon Sockets [Table 18] [ASME]
ASME B 18.3 (Table 18) - 2012 		Dimensions of Hexagon Sockets [Table 18]
12 Countersunk flat hed screws—Part 2:Penetration depth of cross recesses [ISO]
ISO 7721-2 - 1990 		Countersunk flat hed screws—Part 2:Penetration depth of cross recesses
13 Hexalobular internal driving feature for bolts and screws [ISO]
ISO 10664 - 2005 		Hexalobular internal driving feature for bolts and screws
14 Rivet shank diameters [ISO]
ISO 1051 - 1999 		Rivet shank diameters
15 Fasteners—Hexagon products—Widths across flats [ISO]
ISO 272 - 1982 		Fasteners—Hexagon products—Widths across flats
16 Aerospace - Spline drives - Wrenching configuration - Metric series [ISO]
ISO 7403 - 1998 		Aerospace - Spline drives - Wrenching configuration - Metric series
17 Dimensioning and indication of knurling [ISO]
ISO 13444 - 2012 		Dimensioning and indication of knurling
18 Hexalobular internal driving feature for bolts and screws [ISO]
ISO 10664 - 2014 		Hexalobular internal driving feature for bolts and screws
19 Thread run-out for fasteners with thread in accordance with ISO 261 and ISO 262 [ISO]
ISO 3508 - 1976 		Thread run-out for fasteners with thread in accordance with ISO 261 and ISO 262
20 Dimensions of Threads and Points for Types BF and BT Thread-Cutting Tapping Screws [ASME]
ASME B 18.6.3 (T4.1.2.1-1) - 2024 		Dimensions of Threads and Points for Types BF and BT Thread-Cutting Tapping Screws
21 Cross recessed-H type [ISO]
ISO 4757 - 1983 		Cross recessed-H type
22 60° centre holes - Types R. A. B. and C [DIN]
DIN 332 (-1) - 1986 		60° centre holes - Types R. A. B. and C
23 Connections for general use and fluid power - Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing - Part 1: Threaded ports [ISO]
ISO 9974-1 - 1996 		Connections for general use and fluid power - Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing - Part 1: Threaded ports
24 Standard Test-Plate Thickness and Hole Sizes for Drive-Test Inspection of Tapping Screws [ASME/ANSI]
ASME/ANSI B 18.6.3 (T48) - 2013 		Standard Test-Plate Thickness and Hole Sizes for Drive-Test Inspection of Tapping Screws
25 Copper tubes of circular section - Dimensions [ISO]
ISO 274 - 1975 		Copper tubes of circular section - Dimensions
26 Fasteners—Surface discontinuities— Part3:Bolts,screw and studs for special requirements [ISO]
ISO 6157-3 - 1988 		Fasteners—Surface discontinuities— Part3:Bolts,screw and studs for special requirements
27 Fasteners—Surface discontinuities— Part2:Nuts [ISO]
ISO 6157-2 - 1995 		Fasteners—Surface discontinuities— Part2:Nuts
28 Dimensions of Alternate Styles of Points for Thumb and Wing Screws [ASME/ANSI]
ASME/ANSI B 18.17 - 1968 (R1983) 		Dimensions of Alternate Styles of Points for Thumb and Wing Screws
29 Connections for general use and fluid power - Ports and stud ends with ISO 725 threads and O-ring sealing - Part 3: Light-duty (L series) stud ends [ISO]
ISO 11926-3 - 1995 		Connections for general use and fluid power - Ports and stud ends with ISO 725 threads and O-ring sealing - Part 3: Light-duty (L series) stud ends
30 Type BF and BT, Thread Cutting Tapping Screws [Table 7] [ASME]
ASME B 18.6.4 (BF/BT) - 1998 (R2005) 		Type BF and BT, Thread Cutting Tapping Screws [Table 7]
31 Type TRS Tapping Screws [ASME]
ASME B 18.6.3 (T4.1.3-1) - 2024 		Type TRS Tapping Screws
32 Self-tapping screws for metric ISO threads - Part 2: Guide values for hole diameters [DIN]
DIN 7500 (-2) - 2016 		Self-tapping screws for metric ISO threads - Part 2: Guide values for hole diameters
33 Dimensions of Threads and Points for Type D, F, G, and T Thread-Cutting Tapping Screws [ASME]
ASME B 18.6.3 (T4.1.2.2-1) - 2024 		Dimensions of Threads and Points for Type D, F, G, and T Thread-Cutting Tapping Screws
34 Connections for general use and fluid power - Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing - Part 1: Threaded ports [ISO]
ISO 1179-1 - 2013 		Connections for general use and fluid power - Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing - Part 1: Threaded ports
35 Connections for general use and fluid power - Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing - Part 2: Stud ends with elastomeric sealing (type E) [ISO]
ISO 9974-2 - 1996 		Connections for general use and fluid power - Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing - Part 2: Stud ends with elastomeric sealing (type E)
36 Dimensions of Threads and Points for Types BF and BT Thread-Cutting Tapping Screws [ASME/ANSI]
ASME/ANSI B 18.6.3 (T43) - 2013 		Dimensions of Threads and Points for Types BF and BT Thread-Cutting Tapping Screws
37 Recess Dimensions for Flat 82° Countersunk Head Screws [ASME/ANSI]
ASME/ANSI B 18.6.3 (T2) - 2013 		Recess Dimensions for Flat 82° Countersunk Head Screws
38 Countersunk head screws - Head configuration and gauging [EN]
EN 27721 - 1991 		Countersunk head screws - Head configuration and gauging
39 Internal drive, offset cruciform recess (Torq-Set) for rotary fastening devices. Metric series [ISO]
ISO 7994 - 1985 		Internal drive, offset cruciform recess (Torq-Set) for rotary fastening devices. Metric series
40 Fasteners—Thread undercuts for external metric ISO [ISO]
ISO 4755 - 1983 		Fasteners—Thread undercuts for external metric ISO
41 General purpose bolts and screws─Metric series─Radii under the head [ISO]
ISO 885 - 2000 		General purpose bolts and screws─Metric series─Radii under the head
42 Thread run-outs and thread undercuts [DIN]
DIN 76-1 - 2016 		Thread run-outs and thread undercuts
43 Connections for hydraulic fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 1: Ports with truncated housing for O-ring [ISO]
ISO 6149-1 - 2022 		Connections for hydraulic fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 1: Ports with truncated housing for O-ring
44 Aerospace series - Installation holes for inserts, screw thread, helical coil, self-locking - Design standard [EN]
EN 3044 - 1998 		Aerospace series - Installation holes for inserts, screw thread, helical coil, self-locking - Design standard
45 Connections for general use and fluid power - Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing - Part 3: Stud ends with metal-to-metal sealing (type B) [ISO]
ISO 9974-3 - 1996 		Connections for general use and fluid power - Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing - Part 3: Stud ends with metal-to-metal sealing (type B)
46 Type D,F,G and Type T Thread Cutting Tapping Screws [Table 8] [ASME]
ASME B 18.6.4 (D/F/G/T) - 1998 (R2005) 		Type D,F,G and Type T Thread Cutting Tapping Screws [Table 8]
47 Fasteners─Clearance holes for bolts and screws [ISO]
ISO 273 - 1979 		Fasteners─Clearance holes for bolts and screws
48 Knurle [DIN]
DIN 82 - 1973 		Knurle
49 Metic threads and points for tapping screws [ASME]
ASME B 18.6.5M - 2000 (R2010) 		Metic threads and points for tapping screws
50 Thread ends and lengths of projection of bolt ends for metric ISO threads according to DIN 13 [DIN]
DIN 78 - 1983 		Thread ends and lengths of projection of bolt ends for metric ISO threads according to DIN 13
51 Hot rolled flat steel bars and steel wide flats for general purposes - Dimensions and tolerances on shape and dimensions [EN]
EN 10058 - 2018 		Hot rolled flat steel bars and steel wide flats for general purposes - Dimensions and tolerances on shape and dimensions
52 Body and grip lengths for socket head cap screws [Table 4] [ASME]
ASME B 18.3 (Table 4) - 2012 		Body and grip lengths for socket head cap screws [Table 4]
53 Fasteners—Ends of parts with external ISO metric thread [ISO]
ISO 4753 - 2011 		Fasteners—Ends of parts with external ISO metric thread
54 Cold rolled uncoated and zinc or zinc-nickel electrolytically coated low carbon and high yield strength steel flat products for cold forming - Tolerances on dimensions and shape [EN]
EN 10131 - 2006 		Cold rolled uncoated and zinc or zinc-nickel electrolytically coated low carbon and high yield strength steel flat products for cold forming - Tolerances on dimensions and shape
55 Fasteners—Surface discontinuities— Part1:Bolts,screws and studs for general requirements [ISO]
ISO 6157-1 - 1988 		Fasteners—Surface discontinuities— Part1:Bolts,screws and studs for general requirements
56 Straight cylindrical involute splines -- side fit -- Generalities, dimensions and inspection [JIS]
JIS B 1603 - 1995 		Straight cylindrical involute splines -- side fit -- Generalities, dimensions and inspection
57 Countersinks for countersunk head screws [GB]
GB /T 152.2 - 2014 		Countersinks for countersunk head screws
58 Clearance holes for rivets [GB]
GB 152.1 - 1988 		Clearance holes for rivets
59 General purpose bolts and screws - Metric series -- Radii under the head [JIS]
JIS B 1005 - 2003 		General purpose bolts and screws - Metric series -- Radii under the head
60 Fasteners - Bolts, screws and studs - Nominal lengths and thread lengths (ISO 888:2012, MOD) [GB]
GB /T 3106 - 2016 		Fasteners - Bolts, screws and studs - Nominal lengths and thread lengths (ISO 888:2012, MOD)
61 Connections with waisted stud - Tape classification [GB]
GB /T 13807.1 - 2008 		Connections with waisted stud - Tape classification
62 Fastners - Widths across flats of hexagon products [GB]
GB 3104 - 1982 		Fastners - Widths across flats of hexagon products
63 Knurling [JIS]
JIS B 0951 - 1962 		Knurling
64 Center holes [GB]
GB /T 145 - 2001 		Center holes
65 Countersunk flat head screws - Part2: Penetration depth of cross recesses [GB]
GB /T 5279.2 - 1997 		Countersunk flat head screws - Part2: Penetration depth of cross recesses
66 Rivet Shank Diameters (Except Blind Rivets) [ISO 1051:1999] [GB]
GB 18194 - 2000 		Rivet Shank Diameters (Except Blind Rivets) [ISO 1051:1999]
67 Flared couplings - Flared end [GB]
GB /T 5652 - 2008 		Flared couplings - Flared end
68 Cross recesses for screws [GB]
GB 944.1 - 1985 		Cross recesses for screws
69 Hexagon lobuar for fasteners - Type E [GB]
GB 6189 - 1986 		Hexagon lobuar for fasteners - Type E
70 Drill diameter for use prior to tapping screw threads [GB]
GB /T 20330 - 2006 		Drill diameter for use prior to tapping screw threads
71 Woodruff keyways [GB]
GB /T 1098 - 2003 		Woodruff keyways
72 Tapping rivats - Thread and end [UNI]
UNI 7345 - 1974 		Tapping rivats - Thread and end
73 Fasteners - Split pin holes and wire holes （ISO 7378:1983） [GB]
GB 5278 - 1985 		Fasteners - Split pin holes and wire holes （ISO 7378:1983）
74 Hot-rolled channel steel [GB]
GB 707 - 1988 		Hot-rolled channel steel
75 Taper keys of keyways [GB]
GB /T 1563 - 2017 		Taper keys of keyways
76 Hexalobular internal driving feature for bolts and screws [JIS]
JIS B 1015 - 2018 		Hexalobular internal driving feature for bolts and screws
77 Offset cruciform recess fro rotary fastening devices [GB]
GB /T 12520 - 1990 		Offset cruciform recess fro rotary fastening devices
78 Hexalobular internal driving feature for bolts and screws [GB]
GB /T 6188 - 2008 		Hexalobular internal driving feature for bolts and screws
79 Knurl [GB]
GB /T 6403.3 - 2008 		Knurl
80 Fasteners - Clearanc holes for bolts and screws [GB]
GB 5277 - 1985 		Fasteners - Clearanc holes for bolts and screws
81 Countersunk head screws - Head configuration and gauging [GB]
GB /T 5279 - 1985 		Countersunk head screws - Head configuration and gauging
82 Square and rectangular keyways [GB]
GB /T 1095 - 2003 		Square and rectangular keyways
83 Hexalobular internal driving feature for bolts and screws [GB]
GB /T 6188 - 2017 		Hexalobular internal driving feature for bolts and screws
84 General purpose bolts and screws - Radius under the head [GB]
GB /T 3105 - 2002 		General purpose bolts and screws - Radius under the head
85 Fasteners-Ends of parts with external thread（ISO 4753:2011, MOD） [GB]
GB /T 2 - 2016 		Fasteners-Ends of parts with external thread（ISO 4753:2011, MOD）
86 Stress area and bearing area for threaded fasteners [GB]
GB /T 16823.1 - 1997 		Stress area and bearing area for threaded fasteners
87 Cross Recesses For Screws [IS]
IS 7478 - 2011 		Cross Recesses For Screws