
Low Hex Nuts
DIN 439 Stainless Steel Low Hex Nuts for Limited-Space Fastening
VALTOR supplies DIN 439 and DIN 439B low hex nuts with reduced height for machinery, adjustment systems and limited-space fastening. Available in 304 and 316 stainless steel, these thin hex nuts provide a compact corrosion-resistant threaded connection.
Product Overview
Low hex nuts have a reduced height compared with standard hex nuts, making them suitable where installation clearance is limited or a lower-profile fastening solution is required.
DIN 439 and DIN 439B thin hex nuts maintain a conventional six-sided wrenching profile while reducing overall nut height. They are commonly used for positioning, adjustment and compact mechanical assemblies.
VALTOR supplies low hex nuts in 304 and 316 stainless steel for corrosion-resistant machinery, equipment and sheet-metal applications. Carbon steel and alternative finishes can also be supplied according to project requirements.
Technical Specifications
Low-Profile Geometry & Jam Nut Applications
DIN 439 / DIN 439B low hex nuts use a reduced-height hexagonal body for compact threaded assemblies, adjustment and two-nut arrangements.
Material, Thread & Finish Options
Material, thread and finish should suit the mating fastener, mechanical requirement, adjustment frequency and service environment.
Finish availability depends on the base material and order specification; not every finish applies to every material.
Quality Control & Dimensional Inspection
The defining reduced nut height and mating-thread quality are central to inspection of DIN 439 low hex nuts.
Thread diameter, pitch, quality and mating fit are verified. Dimensional inspection can cover nut height, width across flats, thread position and overall low-profile geometry according to DIN 439 / DIN 439B where specified, without invented dimensions. For custom applications, the selected geometry can be reviewed for suitable engagement without unsupported load claims. Material, surface condition, burrs, finish consistency and visible defects are checked against the order. Available documentation may include a Material Certificate / MTC, raw material report, dimensional inspection report or third-party inspection support.
OEM Supply, Matching Fasteners & Packaging
For jam-nut arrangements, compatible full-height or low-profile nuts can be supplied according to the specified assembly.
Options may include special height, width across flats, fine or custom threads, drawing-based dimensions, materials and finishes. Parts differing from DIN 439 / DIN 439B are described as custom unless they actually comply.
Provide DIN 439 / DIN 439B or the custom specification, thread size and pitch, nut height, material, finish, quantity, application, relevant jam-nut or adjustment use and a drawing or sample for custom products.
Customer labels, part numbers, carton markings, packing quantities and customer-authorized private-label packaging can be supported.
Delivery depends on standard or custom geometry, thread, material, finish, quantity, inspection requirements and current production availability.
Applications
Space-saving fastening solutions for machinery, adjustment systems and limited-clearance assemblies.

Provides a compact threaded connection for machinery frames and mechanical assemblies.
Fits compact brackets and equipment joints where standard-height nuts have insufficient clearance.
Supports threaded connections in production equipment and industrial hardware.
Supports positioning and adjustment mechanisms requiring a thinner fastening profile.
Suitable for general industrial connections requiring a DIN 439 low-profile hex nut.
Frequently Asked Questions
What are DIN 439 low hex nuts used for?
DIN 439 low hex nuts are used in applications where reduced nut height is required, such as limited-space assemblies, adjustment systems and compact mechanical structures.
What is the difference between low hex nuts and standard hex nuts?
Low hex nuts have a reduced height compared with standard hex nuts, providing a lower profile solution while maintaining a similar hexagonal outer shape.
When should I choose stainless steel low hex nuts?
Stainless steel low hex nuts are commonly selected for applications requiring corrosion resistance, cleaner surface appearance or outdoor/environmental durability.
Can low hex nuts be supplied in custom sizes or materials?
Yes. VALTOR can supply low hex nuts according to required dimensions, materials, thread specifications and project requirements.
How are DIN 439 low hex nuts packaged for export shipment?
Low hex nuts can be packed in bags, cartons, boxes or customized export packaging according to order quantity and customer requirements.
Related Products
Share the required material, thread size, quantity, packaging and documentation requirements with VALTOR.





