Special alloy thin hex nuts
Tight axial spaces and paired jam-nut arrangements call for a reduced-height nut. The shorter engagement changes the load-carrying capability, so nut height, material strength and the intended locking arrangement belong in the assembly specification.
- Pattern
- Thin hex · Jam nut
- Key dimensions
- Thread · Across flats · Height
- Threads
- Metric · UNC · UNF
- Assembly
- Adjusters · Paired nuts
- Materials
- Nickel alloys · Duplex steels · Titanium
EN 10204 3.1 MTC · Heat traceability
Thin hex nuts material selection
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Equipment & applications
Positioning & locating
Lock an adjustment screw or threaded stop where axial space is limited. A paired jam-nut arrangement secures the setting without a full-height second nut.
Actuator mountings
Retain threaded actuator stops and linkage adjustments. The reduced nut height fits between the adjustment shoulder and nearby bracket.
Assembly tooling
Secure fine-positioning screws on assembly jigs. A thin nut leaves more adjustment travel in a short threaded section while locking against the fixture face.
Thin hex nuts configurations & dimensions
Reduced-height body
Use in compact adjustment mechanisms and panel assemblies where axial clearance rules out a full-height nut. Check the required proof load against the reduced engagement rather than selecting on clearance alone.
Jam-nut arrangement
Use with a second nut to lock an adjustment on a threaded shaft or linkage. The specified nut order and tightening sequence are part of the locking arrangement, not simply two nuts tightened independently.
Dimension guide
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Product and thread standards
Raw Material Specifications
Other Materials & Specifications
Threads · Metric
Threads · Inch
Dimension Reference
Production & heat treatment
CNC · Low-Profile Bodies
Bar machining controls the reduced body height for short runs. Chamfers are kept small enough to preserve useful internal-thread engagement within the thin section.
Tapping & Flatness
Tapping and gauging verify the short engagement length. Both faces are checked for flat seating, particularly when the nut is used against a second nut in an adjustment assembly.
Cold Forming / Hot Forging
Small thin nuts in long runs favour cold forming of ductile stock with little waste. Large diameters or high-resistance alloys favour hot-forged blanks, then facing and tapping to keep the thin body parallel.
Heat Treatment & Proof Load
Inconel 718 ageing develops strength after solution treatment; C-276 solution annealing restores the corrosion-resistant condition after heavy forming. Finished-nut hardness and proof-load requirements are checked for the thin pattern rather than assumed from a full-height nut.
Testing, MTC 3.1 & material traceability
Material certificate
Inconel 625 · historical coil-wire sample
Laboratory report
Inconel 718 · chemistry, tensile & hardness
Identified packing
Heat and batch records linked to the shipment
Additional inspection requirements +
PMI, third-party inspection and witness testing are available by order. Project inspection plans can include UT/PT and heat-treatment records.
Matching products for thin hex nuts
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- Material
- Grade / UNS · Condition
- Size
- Diameter · Length / height
- Thread
- Pitch / TPI · Form & class
- Quantity
- Pieces per size