Thin / Jam Nut

stainless steel jam nuts | Webber Crimpex

Product Dimensions

Parameter	Specification
Product Type	Thin Nut / Jam Nut
Size Range	M2 – M48 (custom sizes available)
Material Options	Stainless Steel, Carbon Steel, Alloy Steel, Brass
Standards	DIN 439, ISO 4035, BS, ASTM
Surface Finish	Zinc Plated, Nickel Plated, Black Oxide, Hot-dip Galvanized

Industrial Applications

Electrical Panels and Assemblies: Stainless steel jam nuts make effective locking and fastening devices in confined electrical boxes where conventional nuts cannot fit properly.
Automotive Industry: As vibration-resistant jam nuts, these fasteners help prevent loosening in engines, suspension systems, and drivetrain assemblies exposed to continuous movement and vibration.
Construction and Steel Structures: Used as secondary locking fasteners in structural joints and bolted frameworks, jam nuts improve fastening stability in demanding construction applications.
Machinery and Equipment: High-strength jam nuts are widely used in rotating machinery and industrial equipment to maintain secure fastening under dynamic loads and vibration.
Furniture and Consumer Products: Thin-profile jam nuts provide compact fastening solutions for furniture joints, appliances, and consumer product assemblies requiring minimal protrusion.

Product Description

Thin/Jam Nuts are low-profile fasteners designed for locking applications where space is limited and resistance to loosening is essential. As trusted jam nuts manufacturers, we provide fastening solutions commonly used with standard nuts in a double-nut locking arrangement to secure threaded assemblies against vibration, movement, and dynamic loads. Their thin design makes them ideal for compact installations where a full-height nut may not fit effectively. As an experienced industrial jam nuts supplier, we offer these fasteners in stainless steel, carbon steel, brass, and other material grades with multiple finishes and thread standards to meet the requirements of industrial, automotive, electrical, and machinery applications.

Product specifications

Nut Type: Low-profile hexagonal nut (half height of standard hex nut)
Size Range: Metric M2 – M48; inch sizes available upon request
Thread Type: ISO metric coarse/fine, UNC/UNF, BSW, BSF; custom threading on request
Material Options: Stainless steel (A2, A4), mild steel, carbon steel, alloy steel, brass
Surface Finish: Zinc plated, nickel plated, galvanized, black oxide, chrome plated, plain finish
Strength Class: Available in property classes 4, 6, 8, 10; ASTM Grade A and Grade 2 available
Tensile Strength: Up to 800–1,000 MPa depending on material and class
Hardness: Rockwell C19–C38 for alloy steel grades
Operating Temperature: -50°C to +400°C depending on finish and base material
Corrosion Resistance: High when made from stainless steel or with protective coatings
Applications: Used in lock nut combinations, limited-space installations, and vibration-prone connections
Standards/Compliance: DIN 439, ISO 4035, BS 3692 (thin series), ASTM A563
RoHS/REACH Compliance: Available for stainless steel and coated variants