ASME B18.9 No.3 Head Plow Bolts Round Countersunk Square Neck



Dimensions of of No. 3 Head Plow Bolts (Round, Countersunk, Square Neck) (Inch) 
Nominal or Basic
Bolt Diameter, D
[Note (1)] 
Diameter of
Full-Size Body,
E
Diameter of Head, A 
Maximum
Feed
Thickness,F 
Depth of Square and Head, S 
Width of Square, B
Across Corners
Maximum
Radius on
Corners of
Square, R
[Note (2)]
 
Max.
Min.
Max.
Min. Sharp
ABS Min. With Flat
 
Max. 
Min.(Basic)
Max. 
Min.(Basic)
Min.
Regular Head 
5/16 
0.3125
0.312
0.299
0.605
0.578
0.538
0.04
0.269
0.228
0.176
0.313
0.417
0.031
3/8 
0.375
0.375
0.36
0.708
0.671
0.624
0.05
0.312
0.262
0.206
0.375
0.491
0.047
7/16 
0.4375
0.438
0.421
0.826
0.781
0.729
0.058
0.364
0.306
0.235
0.438
0.58
0.047
1/2 
0.5
0.5
0.483
0.945
0.89
0.831
0.068
0.417
0.349
0.265
0.5
0.668
0.047
9/16 
0.5625
0.592
0.544
1.045
1
0.924
0.072
0.461
0.389
0.305
0.563
0.732
0.078
5/8 
0.625
0.657
0.606
1.147
1.094
1.013
0.08
0.506
0.426
0.33
0.625
0.891
0.078
3/4 
0.75
0.782
0.729
1.303
1.25
1.169
0.08
0.541
0.461
0.338
0.75
0.996
0.078
7/8 
0.875
0.938
0.853
1.512
1.469
1.344
0.1
0.626
0.526
0.384
0.875
1.16
0.094
1
1.062
0.976
1.7
1.656
1.532
0.1
0.69
0.59
0.422
1
1.336
0.094
Repaire Head
5/16 
0.3125
0.312
0.299
0.556
0.531
0.496
0.32
0.232
0.2
0.139
0.313
0.417
0.031
3/8 
0.375
0.375
0.36
0.659
0.624
0.584
0.04
0.272
0.232
0.166
0.375
0.491
0.047
7/16 
0.4375
0.438
0.421
0.779
0.734
0.689
0.048
0.324
0.276
0.195
0.438
0.58
0.047
1/2 
0.5
0.5
0.483
0.898
0.843
0.793
0.056
0.375
0.319
0.223
0.5
0.668
0.047
9/16 
0.5625
0.592
0.544
1.002
0.953
0.882
0.064
0.423
0.359
0.267
0.563
0.732
0.078
5/8 
0.625
0.657
0.606
1.096
1.047
0.976
0.064
0.458
0.394
0.282
0.625
0.819
0.078
3/4 
0.75
0.782
0.729
1.252
1.203
1.132
0.064
0.493
0.429
0.29
0.75
0.996
0.078
7/8 
0.875
0.938
0.853
1.465
1.422
1.309
0.08
0.573
0.493
0.331
0.875
1.16
0.094
1
1.062
0.976
1.653
1.609
1.497
0.08
0.637
0.557
0.369
1
1.336
0.094


GENERAL NOTE: For additional requirements, refer to section 2.
NOTES:
(1) Where specif ying the nominal size in decimals, zeros preceding the decimal and in the four th decimal place shall be omitted.
(2) This size is not recommended.
(3) The letter “R” shall be shown on top of the repair head to distinguish it from the regular head bolt.

Tags: ASME B18.9 Plow Bolts Round Countersunk Square Neck

General Material:Stainless Steel,Nickel Alloy,Silicon Bronze,Aluminium Bronze,Brass,Naval Brass,Coppe,Copper-Nickel,Aluminum Alloy,Titanium,Alloy Steel,Such as C1008,C1018,C1022,C1035,C1045,40cr,SCM435,35crmoA,42crmoA,AISI4140SS304/A2-70,SS316/A4-80,SS310s,SS309,SS321,SS410,SS317,SS904L,17-4 PH/630,Duplex 2205,Duplex 31803,Nitronic 40,Nitronic 50,Nitronic 60,Nickel Alloy,Hastelloy C276,Inconel 600,Inconel 601,Inconel 625,Inconel 718,Inconel X750,Inconel 800H,Inconel 825,Monel 400,Monel 405,Monel K-500,MP35N,Nickel 200,Nickel 201,Waspaloy)C65500,C64200,C61400,C63000,C63200,C46200,H59,H62,H67,C46400,C11000,90/10 C70600,70/30 C71500,6061-T6,2024-T4,Ti-6Al-4V Grade 5,ASTM B348 Grade 2,ASTM B348 Grade 7,651/S63198
General Surface Finish:Blackoxide,Zinc,Dacromet 500/Dacromet 320,Non-electrolytically Deposited Zinc Flake,Hot-dip Galvanization,Phosphating,Passviation