ISO 4035 Hex Jam Nut Specifications
ISO 4035 Hex Jam Nuts
DIN 439 Equivalent | Thin/Low Profile Hex Nuts
ISO 4035 defines thin hex nuts (jam nuts) — approximately half the height of standard hex nuts. Used as locknuts in combination with full nuts, or where space is limited and full load capacity isn't required.
Quick Specifications
Style
Thin / Jam Nut
Height
~50% of Standard
Size Range
M5 – M36
DIN Equivalent
DIN 439 B
Dimensions (vs Standard Nut)
| Size | A/F Width (s) | Jam Nut Height | Standard Height |
|---|---|---|---|
| M6 | 10 mm | 3.2 mm | 5.2 mm |
| M8 | 13 mm | 4.0 mm | 6.8 mm |
| M10 | 17 mm | 5.0 mm | 8.4 mm |
| M12 | 19 mm | 6.0 mm | 10.8 mm |
| M16 | 24 mm | 8.0 mm | 14.8 mm |
Common Uses
Locknut Pairs
Below full nut for locking
Space-Limited Areas
Tight clearances
Adjustments
Bearing preload, cable ends
Light-Duty Fastening
Where full strength not needed