Hex Head Machine Screws

United Titanium manufactures and inventories hex head machine screws from #2 to 1/4” diameter. We also have metric hex head machine screws available upon request. These hex head machine screws are manufactured to the most recent ASME B18.6.3, IFI, or customer stated standards with either full or partial threaded options.  Our inventory is home to thousands of these hex head machine screws in any of our various materials including alloy C-276, grade 2 titanium, grade 5 titanium, grade 7 titanium and zirconium 702.

Hex Head Machine Screws Specifications

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

Dimensions

  A W A W H J T F
  REGULAR HEAD LARGE HEAD HEAD
HEIGHT
SLOT
WIDTH
SLOT
DEPTH
PROTRUSION
BEYOND
GAGING
RING

NOMINAL SIZE

WIDTH ACROSS
FLATS
ACROSS
CORNERS
WIDTH ACROSS
FLATS
ACROSS
CORNERS

BASIC
SCREW
DIAMETER

MAX MIN MIN MAX MIN MIN MAX MIN MAX MIN MAX MIN MIN
1 0.0730 0.125 0.120 0.134 -- -- -- 0.044 0.036 -- -- -- -- 0.022
2 0.0860 0.125 0.120 0.134 -- -- -- 0.050 0.040 -- -- -- -- 0.024
3 0.0990 0.188 0.181 0.202 -- -- -- 0.055 0.044 -- -- -- -- 0.026
4 0.1120 0.188 0.181 0.202 0.219 0.213 0.238 0.060 0.049 0.039 0.031 0.036 0.025 0.029
5 0.1250 0.188 0.181 0.202 0.250 0.244 0.272 0.070 0.058 0.043 0.035 0.042 0.030 0.035
6 0.1380 0.250 0.244 0.272 -- -- -- 0.093 0.080 0.048 0.039 0.046 0.033 0.048
8 0.1640 0.250 0.244 0.272 0.312 0.305 0.340 0.110 0.096 0.054 0.045 0.066 0.052 0.058
10 0.1900 0.312 0.305 0.340 -- -- -- 0.120 0.105 0.060 0.050 0.072 0.057 0.063
12 0.2160 0.312 0.305 0.340 0.375 0.367 0.409 0.155 0.139 0.067 0.056 0.093 0.077 0.083
1/4 0.2500 0.375 0.367 0.409 0.438 0.428 0.477 0.190 0.172 0.075 0.064 0.101 0.083 0.103
5/16 0.3125 0.500 0.489 0.545 -- -- -- 0.230 0.208 0.084 0.072 0.122 0.100 0.125
3/8 0.3750 0.562 0.551 0.614 -- -- -- 0.295 0.270 0.094 0.081 0.156 0.131 0.162

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

Our hex head machine screw dimensions are listed in inches, but we also offer metric hex head machine screws upon request.

Inventory List

Sort by Material
1-01-116-00.37
10-24 X 3/8 HEX HD MS TI GR 2
In Stock
1-01-116-00.50
10-24 X 1/2 HEX HD MS TI GR 2
In Stock
1-01-116-00.75
10-24 X 3/4 HEX HD MS TI GR 2
In Stock
1-01-116-01.00
10-24 X 1 HEX HD MS TI GR 2
In Stock
1-01-116-01.25
10-24 X 1-1/4 HEX HD MS TI GR 2
In Stock
1-01-116-01.50
10-24 X 1-1/2 HEX HD MS TI GR 2
In Stock
1-01-116-01.75
10-24 X 1-3/4 HEX HD MS TI GR 2
In Stock
1-01-116-02.00
10-24 X 2 HEX HD MS TI GR 2
In Stock
1-01-116-02.25
10-24 X 2-1/4 HEX HD MS TI GR 2
In Stock
1-01-116-02.50
10-24 X 2-1/2 HEX HD MS TI GR 2
In Stock
1-01-116-03.00
10-24 X 3 HEX HD MS TI GR 2
In Stock
1-01-116-03.50
10-24 X 3-1/2 HEX HD MS TI GR 2
In Stock
1-01-116-10.50
10-32 X 1/2 HEX HD MS TI GR 2
In Stock
1-01-116-10.75
10-32 X 3/4 HEX HD MS TI GR 2
In Stock
1-01-116-11.00
10-32 X 1 HEX HD MS TI GR 2
In Stock
1-01-116-11.25
10-32 X 1-1/4 HEX HD MS TI GR 2
In Stock
1-01-116-11.50
10-32 X 1-1/2 HEX HD MS TI GR 2
In Stock
1-01-116-12.00
10-32 X 2 HEX HD MS TI GR 2
In Stock
1-01-117-00.50
1/4-20 X 1/2 HEX HD MS TI GR 2
In Stock
1-01-117-00.62
1/4-20 X 5/8 HEX HD MS TI GR 2
In Stock
1-01-117-00.75
1/4-20 X 3/4 HEX HD MS TI GR 2
In Stock
1-01-117-00.87
1/4-20 X 7/8 HEX HD MS TI GR 2
In Stock
1-01-117-01.00
1/4-20 X 1 HEX HD MS TI GR 2
In Stock
1-01-117-01.12
1/4-20 X 1-1/8 HEX HD MS TI GR 2
In Stock
1-01-117-01.25
1/4-20 X 1-1/4 HEX HD MS TI GR 2
In Stock
1-01-117-01.37
1/4-20 X 1-3/8 HEX HD MS TI GR 2
Available
1-01-117-01.50
1/4-20 X 1-1/2 HEX HD MS TI GR 2
In Stock
1-01-117-01.75
1/4-20 X 1-3/4 HEX HD MS TI GR 2
In Stock
1-01-117-02.00
1/4-20 X 2 HEX HD MS TI GR 2
In Stock
1-01-117-02.25
1/4-20 X 2-1/4 HEX HD MS TI GR 2
In Stock
1-01-117-02.50
1/4-20 X 2-1/2 HEX HD MS TI GR 2
In Stock
1-01-117-02.75
1/4-20 X 2-3/4 HEX HD MS TI GR 2
In Stock
1-01-117-03.00
1/4-20 X 3 HEX HD MS TI GR 2
In Stock
1-01-117-03.25
1/4-20 X 3-1/4 HEX HD MS TI GR 2
Available
1-01-117-03.50
1/4-20 X 3-1/2 HEX HD MS TI GR 2
In Stock
1-01-117-04.00
1/4-20 X 4 HEX HD MS TI GR 2
In Stock
1-01-117-04.50
1/4-20 X 4-1/2 HEX HD MS TI GR 2
In Stock
1-01-117-05.00
1/4-20 X 5 HEX HD MS TI GR 2
In Stock
1-02-116-00.50
10-24 X 1/2 HEX HD MS TI GR 5
Available
1-02-116-00.75
10-24 X 3/4 HEX HD MS TI GR 5
In Stock
1-02-116-01.25
10-24 X 1-1/4 HEX HD MS TI GR 5
Available
1-02-116-10.50
10-32 X 1/2 HEX HD MS TI GR 5
Available
1-02-116-10.75
10-32 X 3/4 HEX HD MS TI GR 5
Available
1-02-116-10.87
10-32 X 7/8 HEX HD MS TI GR 5
In Stock
1-02-116-11.00
10-32 X 1 HEX HD MS TI GR 5
In Stock
1-02-116-11.25
10-32 X 1-1/4 HEX HD MS TI GR 5
In Stock
1-02-117-00.62
1/4-20 X 5/8 HEX HD MS TI GR 5
Available
1-02-117-00.75
1/4-20 X 3/4 HEX HD MS TI GR 5
Available
1-02-117-01.00
1/4-20 X 1 HEX HD MS TI GR 5
Available
1-02-117-01.25
1/4-20 X 1-1/4 HEX HD MS TI GR 5
Available
1-02-117-01.50
1/4-20 X 1-1/2 HEX HD MS TI GR 5
Available
1-02-117-01.75
1/4-20 X 1-3/4 HEX HD MS TI GR 5
Available
1-02-117-02.00
1/4-20 X 2 HEX HD MS TI GR 5
Available
1-02-117-02.25
1/4-20 X 2-1/4 HEX HD MS TI GR 5
Available
1-02-117-02.37
1/4-20 X 2-3/8 HEX HD BOLT TI GR 5
In Stock
1-02-117-02.50
1/4-20 X 2-1/2 HEX HD MS TI GR 5
Available
1-02-117-03.00
1/4-20 X 3 HEX HD MS TI GR 5
Available
1-03-116-01.00
10-24 X 1 HEX HD MS TI GR 7
Available
1-04-116-10.37
10-32 X 3/8 HEX HD MS ZIRC 702
Available
1-14-116-00.50
10-24 X 1/2 HEX HD MS C-276
Available
1-14-116-00.75
10-24 X 3/4 HEX HD MS C-276
Available
1-14-116-01.00
10-24 X 1 HEX HD MS C-276
In Stock
1-14-116-01.25
10-24 X 1-1/4 HEX HD MS C-276
Available
1-14-116-01.50
10-24 X 1-1/2 HEX HD MS C-276
In Stock
1-14-116-01.75
10-24 X 1-3/4 HEX HD MS C-276
Available
1-14-116-02.00
10-24 X 2 HEX HD MS C-276
Available
1-14-116-10.25
10-32 X 1/4 HEX HD MS C-276
In Stock
1-14-116-10.50
10-32 X 1/2 HEX HD MS C-276
Available
1-14-116-10.75
10-32 X 3/4 HEX HD MS C-276
Available
1-14-116-11.00
10-32 X 1 HEX HD MS C-276
In Stock
1-14-116-12.50
10-32 X 2-1/2 HEX HD MS C-276
Available
1-14-117-00.50
1/4-20 X 1/2 HEX HD MS C-276
Available
1-14-117-00.75
1/4-20 X 3/4 HEX HD MS C-276
In Stock
1-14-117-01.00
1/4-20 X 1 HEX HD MS C-276
In Stock
1-14-117-01.25
1/4-20 X 1-1/4 HEX HD MS C-276
In Stock
1-14-117-01.50
1/4-20 X 1-1/2 HEX HD MS C-276
In Stock
1-14-117-01.75
1/4-20 X 1-3/4 HEX HD MS C-276
In Stock
1-14-117-02.00
1/4-20 X 2 HEX HD MS C-276
In Stock
1-14-117-02.25
1/4-20 X 2-1/4 HEX HD MS C-276
Available
1-14-117-02.50
1/4-20 X 2-1/2 HEX HD MS C-276
In Stock
1-14-117-03.00
1/4-20 X 3 HEX HD MS C-276
In Stock
1-14-117-03.50
1/4-20 X 3-1/2 HEX HD MS C-276
In Stock
1-14-117-04.00
1/4-20 X 4 HEX HD MS C-276
In Stock
1-14-117-04.50
1/4-20 X 4-1/2 HEX HD MS C-276
Available