Description
| Machine Screw | |
| 4BA X ½ | 4BA X ½ |
| 4BA X ¾ | 4BA X ¾ |
| 4BA X 1 | 4BA X 1 |
| 4BA X 1 ½ | 4BA X 1 ½ |
| 4BA X 2 | 4BA X 2 |
| 4BA X 2 ½ | 4BA X 2 ½ |
| 4BA X 3 | 4BA X 3 |
| Machine Screw | |
| M4 X 20 mm | M4 X 20 mm |
| M4 X 25 mm | M4 X 25 mm |
| M4 X 30 mm | M4 X 30 mm |
| M4 X 40 mm | M4 X 40 mm |
| M4 X 50 mm | M4 X 50 mm |
| M4 X 60 mm | M4 X 60 mm |
| M4 X 70 mm | M4 X 70 mm |
| M4 X 100 mm | M4 X 100 mm |
The CSK-Head Machine Screw is built for jobs where you need things strong and precise. Its countersunk head sits perfectly flat, so you get that clean, seamless look—nothing sticking out, nothing to catch on. This screw’s tough, made from quality stuff, and it handles real stress. Vibration, heavy loads, rough work? No problem. You’ll find these screws everywhere—inside machines, electrical setups, cars, even big construction projects. Basically, anywhere you can’t afford to mess things up. The threading locks in tight and holds everything steady, while the flat head keeps your work looking sharp. It’s reliable and easy to use, too. When you want a fastener that won’t let you down, this is the one you reach for, again and again.



