MARSHALL leaf spring U-bolts for trucks and trailers
Leaf spring U-bolts with two nuts each, strength grades 10 and 10.9, in the vehicle makers' steel grades.

About the line
Definition
Spring U-bolts: U-shaped bolts, threaded at both ends, that clamp a leaf spring to the axle.
Made at partner plants to MARSHALL drawings. Warranty: 5 years on almost all MARSHALL parts.
What goes into it
- 01
Strength of the original
Grades 10 and 10.9 as OEM. Steels: C45, 42CrMo4, 28Mn6, S45C, S48C, S50C, SCM440.
- 02
Nuts included
Two nuts with every U-bolt.
- 03
Universal U-bolts
A MARSHALL design: longer, replaces several types, original in other dimensions. Fewer items to stock.
- 04
Multi-stage control
Usually 10% tested per stage, from raw-material lab analysis to packing. Defects below 0.0004%.
Technical data
- Range
- Several hundred types
- Strength grade
- 10 and 10.9
- Steel
- C45, 42CrMo4, 28Mn6, S45C, S48C, S50C, SCM440
- Supplied with
- 2 nuts
- Sampling
- 10% at each stage of production
- Warranty
- 5 years · terms
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