Clear All
Specifications Met Specifications Met |
|---|
System of Measurement System of Measurement |
|---|
|
Head Type Head Type |
|---|
![]() | Flat |
Drive Style Drive Style |
|---|
Tensile Strength Tensile Strength |
|---|
|
Finish Finish |
|---|
|
Material Material |
|---|
|
Flat Head Profile Flat Head Profile |
|---|
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
|---|
Threading Threading |
|---|
| Fully Threaded | |
Thread Fit Thread Fit |
|---|
Thread Type Thread Type |
|---|
Hardness Hardness |
|---|
|
Thread Spacing Thread Spacing |
|---|
Thread Direction Thread Direction |
|---|
![]() | |
About Flat Head Screws
More
Mil. Spec. Alloy Steel Hex Drive Flat Head Screws

Choose these screws for their adherence to strict military standards for material and construction. They're cadmium plated to resist corrosion in wet environments. Screws are angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
For technical drawings and 3-D models, click on a part number.
| Lg. | Threading | Head Dia. | Head Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Each | |
Cadmium-Plated Alloy Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
4-40 | ||||||||
| 1/4" | Fully Threaded | 0.255" | 0.083" | 1/16" | 140,000 | ASTM F835, MS24667-1 | 000000000 | 00000 |
| 3/8" | Fully Threaded | 0.255" | 0.083" | 1/16" | 140,000 | ASTM F835, MS24667-2 | 000000000 | 0000 |
| 1/2" | Fully Threaded | 0.255" | 0.083" | 1/16" | 140,000 | ASTM F835, MS24667-3 | 000000000 | 0000 |
| 3/4" | Fully Threaded | 0.255" | 0.083" | 1/16" | 140,000 | ASTM F835, MS24667-5 | 000000000 | 0000 |
6-32 | ||||||||
| 3/8" | Fully Threaded | 0.307" | 0.097" | 5/64" | 140,000 | ASTM F835, MS24667-8 | 000000000 | 0000 |
| 1/2" | Fully Threaded | 0.307" | 0.097" | 5/64" | 140,000 | ASTM F835, MS24667-9 | 000000000 | 0000 |
| 5/8" | Fully Threaded | 0.307" | 0.097" | 5/64" | 140,000 | ASTM F835, MS24667-10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | 0.307" | 0.097" | 5/64" | 140,000 | ASTM F835, MS24667-11 | 000000000 | 0000 |
8-32 | ||||||||
| 3/8" | Fully Threaded | 0.359" | 0.112" | 3/32" | 140,000 | ASTM F835, MS24667-13 | 000000000 | 0000 |
| 1/2" | Fully Threaded | 0.359" | 0.112" | 3/32" | 140,000 | ASTM F835, MS24667-14 | 000000000 | 0000 |
| 5/8" | Fully Threaded | 0.359" | 0.112" | 3/32" | 140,000 | ASTM F835, MS24667-15 | 000000000 | 0000 |
1/4"-20 | ||||||||
| 5/8" | Fully Threaded | 0.531" | 0.161" | 5/32" | 140,000 | ASTM F835, MS24667-29 | 000000000 | 0000 |
| 3/4" | Fully Threaded | 0.531" | 0.161" | 5/32" | 140,000 | ASTM F835, MS24667-30 | 000000000 | 0000 |
| 1" | Fully Threaded | 0.531" | 0.161" | 5/32" | 140,000 | ASTM F835, MS24667-31 | 000000000 | 0000 |
5/16"-18 | ||||||||
| 1" | Fully Threaded | 0.656" | 0.198" | 3/16" | 140,000 | ASTM F835, MS24667-41 | 000000000 | 00000 |
3/8"-16 | ||||||||
| 1" | Fully Threaded | 0.781" | 0.234" | 7/32" | 140,000 | ASTM F835, MS24667-52 | 000000000 | 00000 |





























