System of Measurement
Head Diameter
Head Diameter
0.035"
0.056"
0.06"
0.062"
0.065"
0.082"
0.086"
0.089"
0.096"
0.107"
0.113"
0.114"
0.116"
0.118"
0.125"
0.126"
0.129"
0.131"
0.137"
0.138"
0.139"
0.14"
0.142"
0.153"
0.16"
0.161"
0.162"
0.164"
0.167"
0.17"
0.18"
0.181"
0.183"
0.187"
0.188"
0.193"
0.195"
0.205"
0.208"
0.21"
0.211"
0.213"
0.215"
0.219"
0.226"
0.235"
0.236"
0.238"
0.245"
0.257"
0.26"
0.262"
0.263"
0.268"
0.27"
0.28"
0.29"
0.294"
0.309"
0.312"
0.313"
0.314"
0.32"
0.321"
0.322"
0.336"
0.344"
0.347"
0.357"
0.359"
0.361"
0.365"
0.37"
0.373"
0.375"
0.378"
0.384"
0.399"
0.4"
0.403"
0.408"
0.41"
0.413"
0.414"
0.425"
0.437"
0.448"
0.454"
0.472"
0.485"
0.49"
0.492"
0.505"
0.511"
0.517"
0.518"
0.525"
0.547"
0.57"
0.573"
0.59"
0.615"
0.622"
0.625"
0.656"
0.698"
0.708"
0.74"
0.75"
0.755"
0.765"
0.813"
0.823"
0.875"
0.987"
1"
1.1"
0.81 mm
1.27 mm
1.4 mm
2 mm
2.3 mm
2.5 mm
2.6 mm
2.9 mm
3 mm
3.03 mm
3.2 mm
3.4 mm
3.5 mm
3.8 mm
4 mm
4.24 mm
4.5 mm
4.6 mm
4.7 mm
4.75 mm
4.92 mm
5 mm
5.4 mm
5.46 mm
5.5 mm
5.6 mm
5.69 mm
5.7 mm
6 mm
6.2 mm
6.5 mm
6.7 mm
7 mm
7.59 mm
7.6 mm
8 mm
8.23 mm
8.5 mm
8.54 mm
8.69 mm
9 mm
9.4 mm
9.5 mm
9.9 mm
9.98 mm
10 mm
10.49 mm
10.5 mm
10.7 mm
11 mm
11.99 mm
12 mm
12.58 mm
12.8 mm
13 mm
14 mm
16 mm
17 mm
17.5 mm
18 mm
19.2 mm
20 mm
21 mm
22 mm
25 mm
27 mm
28 mm
30 mm
Head Height
Head Height
0.018"
0.025"
0.03"
0.031"
0.032"
0.033"
0.039"
0.041"
0.042"
0.044"
0.045"
0.046"
0.047"
0.048"
0.05"
0.052"
0.053"
0.055"
0.056"
0.058"
0.059"
0.06"
0.061"
0.062"
0.063"
0.066"
0.068"
0.069"
0.07"
0.071"
0.073"
0.075"
0.078"
0.08"
0.082"
0.083"
0.084"
0.086"
0.087"
0.089"
0.092"
0.094"
0.095"
0.096"
0.097"
0.101"
0.102"
0.103"
0.105"
0.107"
0.11"
0.114"
0.115"
0.118"
0.12"
0.123"
0.125"
0.128"
0.132"
0.133"
0.134"
0.137"
0.141"
0.144"
0.148"
0.15"
0.151"
0.153"
0.155"
0.156"
0.164"
0.165"
0.166"
0.175"
0.176"
0.178"
0.18"
0.183"
0.198"
0.199"
0.205"
0.212"
0.215"
0.216"
0.218"
0.22"
0.231"
0.237"
0.238"
0.256"
0.261"
0.265"
0.268"
0.275"
0.295"
0.331"
0.348"
0.355"
0.375"
0.5 mm
0.51 mm
0.7 mm
0.76 mm
0.8 mm
0.86 mm
0.88 mm
0.9 mm
0.97 mm
1 mm
1.1 mm
1.2 mm
1.3 mm
1.38 mm
1.4 mm
1.42 mm
1.5 mm
1.54 mm
1.58 mm
1.6 mm
1.65 mm
1.7 mm
1.72 mm
1.8 mm
1.9 mm
1.98 mm
2 mm
2.08 mm
2.1 mm
2.12 mm
2.15 mm
2.18 mm
2.2 mm
2.33 mm
2.4 mm
2.5 mm
2.52 mm
2.6 mm
2.63 mm
2.7 mm
2.74 mm
2.75 mm
2.8 mm
2.82 mm
3 mm
3.01 mm
3.05 mm
3.1 mm
3.15 mm
3.2 mm
3.25 mm
3.28 mm
3.3 mm
3.45 mm
3.59 mm
3.6 mm
3.61 mm
3.7 mm
3.8 mm
3.9 mm
3.95 mm
4 mm
4.3 mm
4.39 mm
4.4 mm
4.45 mm
4.6 mm
4.7 mm
4.75 mm
4.8 mm
5 mm
5.3 mm
5.49 mm
5.5 mm
6 mm
6.1 mm
6.15 mm
6.6 mm
7 mm
7.5 mm
8.8 mm
Thread Direction
Product Categories Screws and Bolts / Rounded Head Screws

Rounded Head Screws

8967 Products
Hex Drive Rounded Head Screws
Hex Drive Rounded Head Screws
Phillips Rounded Head Screws
Phillips Rounded Head Screws
Slotted Rounded Head Screws
Slotted Rounded Head Screws
Torx Rounded Head Screws
Torx Rounded Head Screws
A Torx drive has more points of contact than other drives—allowing you to tighten the screw without damaging the recess.
Combination Phillips/Slotted Rounded Head Screws
Combination Phillips/Slotted Rounded Head Screws
Sanitary Extra-Wide Truss Head Screws
Sanitary Extra-Wide Truss Head Screws
Designed for use in food, pharmaceutical, and other sanitary environments, these screws have an extra-wide truss head that distributes holding pressure to reduce the likelihood of crushing thin materials.
Flanged Rounded Head Screws
Flanged Rounded Head Screws
The flange distributes pressure across a wider surface, eliminating the need for a separate washer.
Vibration-Resistant Rounded Head Screws
Vibration-Resistant Rounded Head Screws
Prevent screws from loosening due to vibration. Includes screws with thread locker, screws with lock washers, and screws that are wire lockable.
Tamper-Resistant Rounded Head Screws
Tamper-Resistant Rounded Head Screws
Difficult to remove without special tools, use these screws in public spaces to reduce the risk of theft and tampering.
Sealing Rounded Head Screws
Sealing Rounded Head Screws
A rubber O-ring prevents leaks and seals out contaminants.
Vented Rounded Head Screws
Vented Rounded Head Screws
These screws are drilled through the shaft to vent fluids and gases trapped under the screw.
Left-Hand Threaded Rounded Head Screws
Left-Hand Threaded Rounded Head Screws
Tighten these screws by turning them to the left; once fastened, they prevent loosening from counterclockwise motion.
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