ASME B18.2.1 Hex Lag Screws



Nominal Size or Basic Product Diameter
Body or Shoulder Diameter, E
Width Across Flast,F
Width Across Corners,G
Head Height,H
Minimum Shoulder Length,S
Radius of Filler,R
Max.
Min.
Basic
Max.
Min.
Max.
Min.
Basic
Max.
Min.
Max.
Min.
No.10
0.1900
0.199
0.178
9/32
0.281
0.271
0.398
0.372
1/8
0.140
0.110
0.094
0.03
0.01
1/4
0.2500
0.260
0.237
3/8
0.375
0.362
0.530
0.498
11/64
0.188
0.156
0.094
0.03
0.01
5/16
0.3125
0.324
0.298
1/2
0.500
0.484
0.707
0.665
13/64
0.220
0.186
0.125
0.03
0.01
3/8
0.3750
0.388
0.360
9/16
0.562
0.544
0.795
0.747
1/4
0.268
0.232
0.125
0.03
0.01
7/16
0.4375
0.452
0.421
5/8
0.625
0.603
0.884
0.828
19/64
0.316
0.278
0.156
0.03
0.01
1/2
0.5000
0.515
0.482
3/4
0.750
0.725
1.061
0.995
21/64
0.348
0.308
0.156
0.03
0.01
5/8
0.6250
0.642
0.605
15/16
0.938
0.906
1.326
1.244
27/64
0.444
0.400
0.312
0.06
0.02
3/4
0.7500
0.768
0.729
1  1/8
1.125
1.088
1.591
1.494
1/2
0.524
0.476
0.375
0.06
0.02
7/8
0.8750
0.895
0.852
1  5/16
1.312
1.269
1.856
1.742
19/32
0.620
0.568
0.375
0.06
0.02
1
1.0000
1.022
0.976
1  1/2
1.500
1.450
2.121
1.991
21/32
0.684
0.628
0.625
0.09
0.03
1   1/8
1.1250
1.149
1.098
1  11/16
1.688
1.631
2.386
2.239
3/4
0.78
0.720
0.625
0.09
0.03
1  1/4
1.2500
1.277
1.223
1  7/8
1.875
1.812
2.652
2.489
27/32
0.876
0.812
0.625
0.09
0.03

Tags: ASME B18.2.1 Hex Lag Screws

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