ASME B18.5 Countersunk Bolts and Slotted Countersunk Bolts

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ASME B18.5 Countersunk Bolts and Slotted Countersunk Bolts

 



Fastener>> IFI  Fastener >> ASME B18.5 Countersunk Bolts and Slotted Countersunk Bolts

 

ASME B18.5 Countersunk Bolts and Slotted Countersunk Bolts

ASME B18.5 Countersunk Bolts and Slotted Countersunk Bolts


Dimensions of Countersunk Bolts and Slotted Countersunk Bolts (Inch) 
 
Nominal Size
or Basic Bolt
Diameter
[Note (1)]
Body Diameter, E 
Head Diameter, A 
Maximum Flat on Min. Dia. Head, F [Note (4)] 
Head Height, H 
Slot Width,J
[Note(5)]
Slot Width,J
[Note(5)]
Max.
Min.
Max. Edge Sharp[Note(2)] 
Min. Edge Sharp[Note(2)]
Absolute Min. Edge Rounded or Flat
Max.
Min.
Max.
Min.
Max.
Min.
1/4 
0.25
0.26
0.237
0.493
0.477
0.445
0.018
0.15
0.131
0.075
0.064
0.068
0.045
5/16 
0.3125
0.324
0.298
0.618
0.598
0.558
0.023
0.189
0.164
0.084
0.072
0.086
0.057
3/8 
0.375
0.388
0.36
0.74
0.715
0.668
0.027
0.225
0.196
0.094
0.081
0.103
0.068
7/16 
0.4375
0.452
0.421
0.803
0.778
0.726
0.03
0.226
0.196
0.094
0.081
0.103
0.068
1/2 
0.5
0.515
0.483
0.935
0.905
0.845
0.035
0.269
0.233
0.106
0.091
0.103
0.068
5/8 
0.625
0.642
0.605
1.169
1.132
1.066
0.038
0.336
0.292
0.133
0.116
0.137
0.091
3/4 
0.75
0.768
0.729
1.402
1.357
1.285
0.041
0.403
0.349
0.149
0.131
0.171
0.115
7/8 
0.875
0.895
0.852
1.637
1.584
1.511
0.042
0.47
0.408
0.167
0.147
0.206
0.138
1
1.022
0.976
1.869
1.81
1.735
0.043
0.537
0.466
0.188
0.166
0.24
0.162
11/8 
1.125
1.149
1.098
2.104
2.037
1.962
0.043
0.604
0.525
0.196
0.178
0.257
0.173
11/4 
1.25
1.277
1.223
2.337
2.262
2.187
0.043
0.671
0.582
0.211
0.193
0.291
0.197
13/8 
1.375
1.404
1.345
2.571
2.489
2.414
0.043
0.738
0.641
0.226
0.208
0.326
0.22
11/2 
1.5
1.531
1.47
2.804
2.715
2.64
0.043
0.805
0.698
0.258
0.24
0.36
0.244

GENERAL NOTE: For additional requirements, refer to section 2, General Data.
NOTES:
(1) Where specifying nominal size in decimals, zeros preceding decimal and in the four th decimal place shall be omitted.
(2) Maximum head height calculated on maximum sharp head diameter, basic bolt diameter, and 78-deg head angle.
(3) Minimum head height calculated on minimum sharp head diameter, basic bolt diameter, and 82-deg head angle.
(4) Flat on minimum diameter head calculated on minimum sharp and absolute minimum head diameters and 82-deg head angle.
(5) Head shall be unslotted, unless other wise specified. Slot dimensions are same as slotted flat countersunk head cap screws in
American National Standard, ANSI B18.6.2.


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This Website describes DIN standard Fastener in China.Wenzhou Nanlong Import & Export Trading CO.,LTD.(China)-There are ASME B18.5 Countersunk Bolts and Slotted Countersunk Bolts.And the the material are stainless steel (TP304-18-8,316,316L,310S.309S..317L.347H,904L...),carbon steel (C1018 C1022),aluminium,brass, titanium & titanium alloy(Ti G1,Gr2,G4,Gr5,G7) and so no.

ASME B18.5 Countersunk Bolts and Slotted Countersunk Bolts