Flat Phillips Machine Screws

United Titanium manufactures and inventories flat phillips machine screws from #4 to 3/8” diameter. We also offer metric flat phillips machine screws upon request. These flat phillips machine screws are manufactured to the most recent ASME B18.6.3, IFI, or customer stated standards with either full or partial threaded options.  United Titanium’s standard is 82* head angle, but 100* angle option can be manufactured at your request.  Our inventory is home to thousands of these flat phillips machine screws in any of our various materials like grade 2 titanium.

Flat Phillips Machine Screws Specifications

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

Dimensions

 TYPE I
NOMINAL SIZE M T N DRIVER
SIZE
RECESS
PENETRATION
GAGING DEPTH
RECESS DIAMETER RECESS DEPTH RECESS WIDTH
BASIC SCREW DIA. MAX MIN MAX MIN MIN MAX MIN 
0 0.0600 0.069 0.056 0.043 0.027 0.014 0 0.036 0.020
1 0.0730 0.077 0.064 0.051 0.035 0.015 0 0.044 0.028
2 0.0860 0.102 0.089 0.063 0.047 0.017 1 0.056 0.040
3 0.0990 0.107 0.094 0.068 0.052 0.018 1 0.061 0.045
4 0.1120 0.128 0.115 0.089 0.073 0.018 1 0.082 0.066
5 0.1250 0.154 0.141 0.086 0.063 0.027 2 0.075 0.052
6 0.1380 0.174 0.161 0.106 0.083 0.029 2 0.095 0.072
8 0.1640 0.189 0.176 0.121 0.098 0.030 2 0.110 0.087
10 0.1900 0.204 0.191 0.136 0.113 0.032 2 0.125 0.102
12 0.2160 0.268 0.255 0.156 0.133 0.035 3 0.139 0.116
1/4 0.2500 0.283 0.270 0.171 0.148 0.036 3 0.154 0.131
5/16 0.3125 0.365 0.352 0.216 0.194 0.061 3 0.196 0.174
3/8 0.3750 0.393 0.380 0.245 0.223 0.065 4 0.225 0.203
7/16 0.4375 0.409 0.396 0.261 0.239 0.068 4 0.241 0.219
1/2 0.5000 0.424 0.411 0.276 0.254 0.069 4 0.256 0.234
9/16 0.5625 0.454 0.431 0.300 0.278 0.073 4 0.280 0.258
5/8 0.6250 0.576 0.553 0.342 0.316 0.079 5 0.309 0.283
3/4 0.7500 0.640 0.617 0.406 0.380 0.087 5 0.373 0.347
 TYPE IA
NOMINAL SIZE M T N DRIVER SIZE RECESS
PENETRATION
GAGING DEPTH
RECESS DIAMETER RECESS DEPTH RECESS WIDTH
BASIC SCREW DIA. MAX MIN MAX MIN MIN MAX MIN 
0 0.0600 0.069 0.056 0.044 0.028 0.018 0 0.037 0.021
1 0.0730 0.077 0.064 0.052 0.036 0.018 0 0.045 0.029
2 0.0860 0.102 0.089 0.063 0.047 0.029 1 0.053 0.037
3 0.0990 0.107 0.094 0.068 0.052 0.029 1 0.058 0.042
4 0.1120 0.128 0.115 0.089 0.073 0.030 1 0.079 0.063
5 0.1250 0.154 0.141 0.086 0.068 0.041 2 0.071 0.053
6 0.1380 0.174 0.161 0.107 0.089 0.041 2 0.091 0.073
8 0.1640 0.189 0.176 0.121 0.103 0.041 2 0.107 0.089
10 0.1900 0.204 0.191 0.136 0.118 0.041 2 0.122 0.104
12 0.2160 0.268 0.255 0.158 0.140 0.056 3 0.136 0.118
1/4 0.2500 0.283 0.270 0.173 0.155 0.057 3 0.151 0.133
5/16 0.3125 0.365 0.352 0.220 0.202 0.086 3 0.193 0.175
3/8 0.3750 0.393 0.380 0.248 0.230 0.086 4 0.222 0.204
7/16 0.4375 0.409 0.396 0.265 0.247 0.086 4 0.0238 0.220
1/2 0.5000 0.424 0.411 0.280 0.262 0.086 4 0.253 0.235
9/16 0.5625 0.452 0.429 0.303 0.285 0.087 4 0.276 0.258
5/8 0.6250 0.577 0.554 0.345 0.324 0.098 5 0.307 0.286
3/4 0.7500 0.641 0.618 0.410 0.389 0.099 5 0.372 0.351
 TYPE II
NOMINAL SIZE M T N DRIVER SIZE RECESS
PENETRATION
GAGING DEPTH
RECESS DIAMETER RECESS DEPTH RECESS WIDTH
BASIC SCREW DIA. MAX MIN MAX MIN MIN MAX MIN
0 0.0600 0.083 0.073 0.042 0.031 0.021 POINT
SAME
ON ALL
DRIVERS
-- --
1 0.0730 0.097 0.086 0.054 0.042 0.024 -- --
2 0.0860 0.120 0.109 0.066 0.054 0.027 0.040 0.029
3 0.0990 0.139 0.127 0.079 0.066 0.030 0.053 0.041
4 0.1120 0.157 0.145 0.088 0.075 0.032 0.064 0.052
5 0.1250 0.176 0.162 0.101 0.087 0.35 0.077 0.064
6 0.1380 0.195 0.180 0.113 0.098 0.038 0.089 0.075
8 0.1640 0.232 0.216 0.132 0.117 0.043 0.113 0.099
10 0.1900 0.269 0.251 0.156 0.140 0.048 0.137 0.122
12 0.2160 0.307 0.287 0.181 0.163 0.054 0.162 0.145
1/4 0.2500 0.355 0.334 0.204 0.186 0.061 0.193 0.176
5/16 0.3125 0.444 0.420 0.262 0.242 0.074 0.251 0.232
3/8 0.3750 0.523 0.495 0.314 0.291 0.086 0.303 0.281
7/16 0.4375 0.568 0.540 0.343 0.320 0.092 0.332 0.310
1/2 0.5000 0.608 0.578 0.370 0.345 0.098 0.359 0.335
9/16 0.5625 0.656 0.623 0.400 0.374 0.104 0.389 0.364
5/8 0.6250 0.656 0.623 0.400 0.374 0.104 0.389 0.364
3/4 0.7500 0.656 0.623 0.400 0.374 0.104 0.389 0.364

Materials

TITANIUM ZIRCONIUM ALLOY TANTALUM
CP-TI (GR. 2)      
6AL-4V (GR. 5)      
       

Specifications

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

Inventory List

Sort by Material
1-01-134-80.37
6-32 X 3/8 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-134-80.50
6-32 X 1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-134-80.62
6-32 X 5/8 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-134-80.75
6-32 X 3/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-134-81.00
6-32 X 1 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-134-81.50
6-32 X 1-1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-135-80.18
8-32 X 3/16 FLAT PH M.S. TI GR 2
Available
1-01-135-80.25
8-32 X 1/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-135-80.31
8-32 X 5/16 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-135-80.37
8-32 X 3/8 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-135-80.43
8-32 X 7/16 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-135-80.50
8-32 X 1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-135-80.62
8-32 X 5/8 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-135-80.75
8-32 X 3/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-135-80.87
8-32 X 7/8 FLAT PH M.S. TI GR 2
Available
1-01-135-81.00
8-32 X 1 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-135-81.25
8-32 X 1-1/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-135-81.50
8-32 X 1-1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-80.25
10-24 X 1/4 FLAT HD PHILLIP MS TI GR 2
Available
1-01-136-80.37
10-24 X 3/8 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-80.50
10-24 X 1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-80.62
10-24 X 5/8 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-80.75
10-24 X 3/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-81.00
10-24 X 1 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-81.25
10-24 X 1-1/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-81.50
10-24 X 1-1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-81.75
10-24 X 1-3/4 FLAT HD PHILLIPS MS TI GR 2
Available
1-01-136-81T50
10-24 X 1-1/2 FLAT HD PH MS, ANODIZE TI GR 2
Available
1-01-136-82.00
10-24 X 2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-90.25
10-32 X 1/4 FLAT HD PHILLIPS MS TI GR 2
Available
1-01-136-90.31
10-32 X 5/16 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-90.37
10-32 X 3/8 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-90.50
10-32 X 1/2 FLAT HD PHILLIP MS TI GR 2
In Stock
1-01-136-90.62
10-32 X 5/8 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-90.75
10-32 X 3/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-90.87
10-32 X 7/8 FLT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-91.00
10-32 X 1 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-136-91.50
10-32 X 1-1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-137-80.37
1/4-20 X 3/8 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-137-80.50
1/4-20 X 1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-137-80.62
1/4-20 X 5/8 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-137-80.75
1/4-20 X 3/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-137-80.87
1/4-20 X 7/8 FLAT HD PHILLIPS MS TI GR 2
Available
1-01-137-81.00
1/4-20 X 1 FLAT HD PHILLIPS MS TI GR 2
Available
1-01-137-81.25
1/4-20 X 1-1/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-137-81.50
1/4-20 X 1-1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-137-81.75
1/4-20 X 1-3/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-137-82.00
1/4-20 X 2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-137-82.25
1/4-20 X 2-1/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-137-82.50
1/4-20 X 2-1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-137-83.00
1/4-20 X 3 FLAT HD PHILLIPS MS TI GR 2
Available
1-01-138-80.37
5/16-18 X 3/8 FLAT HD PHILLIPS MS TI GR 2
Available
1-01-138-80.50
5/16-18 X 1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-138-80.62
5/16-18 X 5/8 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-138-80.75
5/16-18 X 3/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-138-81.00
5/16-18 X 1 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-138-81.25
5/16-18 X 1-1/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-138-81.50
5/16-18 X 1-1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-138-82.00
5/16-18 X 2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-138-82.50
5/16-18 X 2-1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-139-80.50
3/8-16 X 1/2 FLAT HD PHILLIPS MS TI GR 2
Available
1-01-139-80.62
3/8-16 X 5/8 FLAT PHIL MS TI GR 2
Available
1-01-139-80.75
3/8-16 X 3/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-139-81.00
3/8-16 X 1 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-139-81.12
3/8-16 X 1-1/8 FLAT PH M.S. TI GR 2
Available
1-01-139-81.25
3/8-16 X 1-1/4 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-139-81.50
3/8-16 X 1-1/2 FLAT HD PHILLIPS MS TI GR 2
In Stock
1-01-139-82.00
3/8-16 X 2 FLAT HD PHILLIPS MS TI GR 2
Available
1-01-139-82.50
3/8-16 X 2-1/2 FLAT HD PHILLIPS MS TI GR 2
Available