DIN 464 Knurled Thumb Screws, High Type
We supply DIN 464 knurled thumb screws (high type) in zinc plated free-cutting steel and brass from M3 to M10. The tall knurled head is tightened and released by hand, used on access panels, guards, jigs and fixtures where tool-free adjustment is needed.
Also known as: thumbscrew, thumb screw, knurled screw, knurled head screw, hand screw.
DIN 464 dimensions
| Diameter | Pitch | dk | ds | b | k | h |
|---|---|---|---|---|---|---|
| M3 | 0.5mm | 12.0mm | 6.0mm | 9.0mm | 2.5mm | 7.5mm |
| M4 | 0.7mm | 16.0mm | 8.0mm | 12.0mm | 3.5mm | 9.5mm |
| M5 | 0.8mm | 20.0mm | 10.0mm | 15.0mm | 4.0mm | 11.5mm |
| M6 | 1.0mm | 24.0mm | 12.0mm | 18.0mm | 5.0mm | 15.0mm |
| M8 | 1.25mm | 30.0mm | 16.0mm | 24.0mm | 6.0mm | 18.0mm |
| M10 | 1.5mm | 36.0mm | 20.0mm | 30.0mm | 8.0mm | 23.0mm |
What is the difference between DIN 464 and DIN 653 thumb screws?
Both have a knurled head for hand tightening. DIN 464 is the high type with a tall head that is easy to grip; DIN 653 is the thin (low) type with a flatter head for restricted spaces.
What are knurled thumb screws used for?
Anywhere a fixing must be undone by hand without tools - access panels, machine guards, jigs, fixtures, and instrument or laboratory equipment that needs frequent adjustment.
What sizes do DIN 464 thumb screws come in?
The standard covers M3 to M10 with knurled head diameters from 12mm to 36mm. Send us your requirement for lengths and materials.
Need DIN 464 in a non-standard size or material?
Send us your drawing — specials quoted within 24 hours.