Corrosion Resistant Socket Head Shoulder Screws

United Titanium manufactures and inventories socket head shoulder screws from #1/4 to 2” diameter. We also offer metric socket head shoulder screws upon request. These socket head shoulder screws are manufactured to the most recent ASME B18.3, IFI, or customer stated standards with either full or partial threaded options.  Our inventory is home to thousands of these socket head shoulder screws in any of our various materials and sizes.

Socket Head Shoulder Screws Specifications

  • STANDARD (ASME/ANSI)
  • METRIC (IFI)

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Dimensions

  D A H S J T M R
NOMINAL SIZE SHOULDER DIA. HEAD DIA. HEAD HEIGHT HEAD SIDE
HEIGHT
HEX SKT SIZE KEY
ENGAGEMENT
HEAD
FILLET
EXTENSION
(ABOVE D)

HEAD
FILLET
RADIUS

BASIC SHOULDER DIA. MAX MIN MAX MIN MAX MIN MIN NOM MIN MAX MIN
1/4 0.250 0.2480 0.2460 0.375 0.357 0.188 0.177 0.157 1/8 0.125 0.094 0.014 0.009
5/16 0.312 0.3105 0.3085 0.438 0.419 0.219 0.209 0.183 5/32 0.156 0.117 0.017 0.012
3/8 0.375 0.3730 0.3710 0.562 0.543 0.250 0.240 0.209 3/16 0.188 0.141 0.020 0.015
1/2 0.500 0.4980 0.4960 0.750 0.729 0.312 0.302 0.262 1/4 0.250 0.188 0.026 0.020
5/8 0.625 0.6230 0.6210 0.875 0.853 0.375 0.365 0.315 5/16 0.312 0.234 0.032 0.024
3/4 0.750 0.7480 0.7460 1.000 0.977 0.500 0.490 0.421 3/8 0.375 0.281 0.039 0.030
1 1.000 0.9980 0.9960 1.312 1.287 0.625 0.610 0.527 1/2 0.500 0.375 0.050 0.040
1-1/4 1.250 1.2480 1.2460 1.750 1.723 0.750 0.735 0.633 5/8 0.625 0.469 0.060 0.050
1-1/2 1.500 1.4980 1.4960 2.125 2.095 1.000 0.980 0.842 7/8 0.875 0.656 0.070 0.060
1-3/4 1.750 1.7480 1.7460 2.375 2.345 1.125 1.105 0.948 1 1.000 0.750 0.080 0.070
2 2.000 1.9980 1.9960 2.750 2.720 1.250 1.230 1.054 1-1/4 1.250 0.937 0.090 0.080

 

  K F D1 G I N E
NOMINAL SIZE SHOULDER
NECK
DIA.
SHOULDER
NECK
WIDTH
NOM THREAD SIZE THREADS
PER IN.
THREAD NECK DIA. THREAD
NECK
WIDTH
THREAD
NECK
FILLET
THREAD
LENGTH
BASIC SHOULDER DIA. MIN MAX BASIC THREAD DIA. MAX MIN MAX MAX MIN BASIC
1/4 0.250 0.227 0.093 10 0.1900 24 0.142 0.133 0.083 0.023 0.017 0.375
5/16 0.312 0.289 0.093 1/4 0.2500 20 0.193 0.182 0.100 0.028 0.022 0.438
3/8 0.375 0.352 0.093 5/16 0.3125 18 0.249 0.237 0.111 0.031 0.025 0.500
1/2 0.500 0.477 0.093 3/8 0.3750 16 0.304 0.291 0.125 0.035 0.029 0.625
5/8 0.625 0.602 0.093 1/2 0.5000 13 0.414 0.397 0.154 0.042 0.036 0.750
3/4 0.750 0.727 0.093 5/8 0.6250 11 0.521 0.502 0.182 0.051 0.045 0.875
1 1.000 0.977 0.125 3/4 0.7500 10 0.638 0.616 0.200 0.055 0.049 1.000
1-1/4 1.250 1.227 0.125 7/8 0.8750 9 0.750 0.726 0.222 0.062 0.056 1.125
1-1/2 1.500 1.478 0.125 1-1/8 1.1250 7 0.964 0.934 0.286 0.072 0.066 1.500
1-3/4 1.750 1.728 0.125 1-1/4 1.2500 7 1.089 1.059 0.286 0.072 0.066 1.750
2 2.000 1.978 0.125 1-1/2 1.5000 6 1.307 1.277 0.333 0.102 0.096 2.000

Materials

TITANIUM ZIRCONIUM ALLOY TANTALUM
CP-TI (GR. 2) 702 600 UT35N  
6AL-4V (GR. 5) 705 625 556  
TI-PD (GR. 7)   825 718  
TI CODE 12 (GR. 12)   C276 AL6XN  
6AL-4V ELI (GR. 23)   C22 2205  
    B2 686  
    B3 255  

Specifications