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Precision Technology
Supplies Ltd
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Machine Screw Products
We offer a wide range of Machine screws in Cheese, Pan, Mushroom, Countersunk and Raised Countersunk Head Stlyes. Available in Pozi, Phillips, Slotted and Six Lobe (TX) Drive.
Not all combinations of heads and drives are available
Machine Screws Dimensional Data
 
  
Metric range
| Diameter |
M1.0
|
M1.2
|
M1.4
|
M1.6
|
M2.0
|
M2.5
|
M3
|
M4
|
M5
|
M6
|
| Pitch |
0.25
|
0.25
|
0.30
|
0.35
|
0.40
|
0.45
|
0.50
|
0.70
|
0.80
|
1.00
|
| Csk Head Diameter |
1.9
|
2.3
|
2.6
|
3.0
|
3.8
|
4.7
|
5.6
|
7.5
|
9.2
|
11
|
| Csk Head Depth |
0.6
|
0.72
|
0.84
|
0.96
|
1.2
|
1.5
|
1.65
|
2.2
|
2.5
|
3
|
| Pan Head Diameter |
*
|
*
|
*
|
*
|
4
|
5
|
6
|
8
|
10
|
12
|
| Pan Head Depth |
*
|
*
|
*
|
*
|
1.3
|
1.5
|
1.8
|
2.4
|
3
|
3.6
|
| Cheese Head Diameter |
2
|
2.3
|
2.6
|
3
|
3.8
|
4.5
|
5.5
|
7
|
8.5
|
10
|
| Cheese Head Depth |
0.7
|
0.8
|
0.9
|
1
|
1.3
|
1.6
|
2
|
2.6
|
3.3
|
3.9
|
| Recess Pan Head Depth |
*
|
*
|
*
|
1.3
|
1.6
|
2
|
2.4
|
3.1
|
3.8
|
4.6
|
| Recess Pan Head Diameter |
*
|
*
|
*
|
3.2
|
4
|
5
|
6
|
8
|
10
|
12
|
All dimensions are in MM
Unified range (American Threads)
| Diameter |
0un
|
2un
|
4un
|
6un
|
8un
|
10un
|
12un
|
1/4"
|
| Csk (flat) head diameter |
.119
|
.172
|
.225
|
.279
|
.332
|
.385
|
.438
|
.507
|
| Csk (flat) head depth |
.035
|
.051
|
.067
|
.083
|
.100
|
.116
|
.132
|
.153
|
| Pan head diameter |
*
|
.167
|
.219
|
.270
|
.322
|
.373
|
.425
|
.492
|
| Pan head depth |
*
|
.053
|
.068
|
.082
|
.096
|
.110
|
.125
|
.144
|
| Fillister head diameter |
.096
|
.140
|
.183
|
.226
|
.270
|
.313
|
.357
|
.414
|
| Fillister head depth |
.059
|
.083
|
.107
|
.132
|
.156
|
.180
|
.205
|
.237
|
| Round head diameter |
.113
|
.162
|
.211
|
.260
|
.309
|
.359
|
.408
|
.472
|
| Round head depth |
.053
|
.069
|
.086
|
.103
|
.120
|
.137
|
.153
|
.175
|
| Rsd csk (oval) head diameter |
.119
|
.172
|
.225
|
.279
|
.332
|
.385
|
.438
|
.507
|
| Rsd csk (oval) head overall depth |
.056
|
.080
|
.104
|
.128
|
.152
|
.176
|
.200
|
.232
|
| Truss head diameter |
*
|
.194
|
.257
|
.321
|
.384
|
.448
|
.511
|
.573
|
| Truss head depth |
*
|
.053
|
.069
|
.086
|
.102
|
.118
|
.134
|
.150
|
All dimensions are maximum in inches
* = No dimensional data available
If the information you require is not in the above tables please  and we will be happy to send it to you.
This information is for guidance only no liability can result
from its use
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