Caliper Overseas is a reliable Hex Lock Nuts manufacturer and supplier in India providing high-quality fastening solutions to meet different industrial requirements. Hex lock nut is a six-pointed nut created with a locked feature that prevents loosening due to vibration or torque. The nuts are produced from premium materials like Stainless Steel, Duplex, Super Duplex, Carbon Steel, and Alloy Steel to provide longevity and strength for harsh environments.
These hex lock nuts are known for their perfect grip, anti-corrosive properties, and precise dimensions. They provide greater tensile strength, pressure stability and guaranteed locking performance. They come in standards such as DIN934, DIN936, DIN439, DIN555, A194 2H, JIS B1190, and DIN 6923 and are compatible with industrial demands. These nuts provide long-term performance and good fit which make them suitable for high and low-stress applications.
Contact us today for quality and high-performance Hex Lock Nuts made to your specifications!

| Hex Lock Nuts Size | M2 TO M36 |
|---|---|
| Material | Stainless Steel, Duplex, Super Duplex, Carbon Steel, Alloy Steel |
| Shape | Hexagonal |
| Packaging Type | BOX |
| Standard | DIN934 DIN936 DIN439 DIN555 A194 2H, JIS B1190, DIN 6923 |
| Application | Wind tower, Nuclear power, Railway, Automotive industry, Construction, Electronic industry |
| Thread Requirements | ASME B1.1, UNC & UNF, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge) |
| Manufacturing Process | Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing |
| Coatings | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
DIN 439 – Hexagon thin nuts
| Size | DIN 439 | ||
|---|---|---|---|
| M6 | M8 | M10 | |
| Pitch | 1 | 1.25 | 1.5 |
| e (min.) |
10.89 | 14.2 | 18.72 |
| m (min / max) |
2.72-3.2 | 3.52-4 | 4.52-5 |
| s (min / max) |
9.64-10 | 12.57-13 | 16.57-17 |
DIN 936 – Hexagon thin nuts
| Size | DIN 936 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M8 | M10 | M12 | M16 | M20 | M22 | M24 | M27 | M30 | M36 | M42 | M48 | |
| Pitch | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 | 4.5 | 5 |
| e (min.) |
14.38 | 18.90 | 21.1 | 26.75 | 32.95 | 35.03 | 39.55 | 45.20 | 50.85 | 60.79 | 71.3 | 82.60 |
| m (min / max) |
3.8-4.7 | 4.6-5.7 | 5.3-6.64 | 5.9-7.42 | 6.5-8.1 | 7.3-9.1 | 7.3-9.1 | 10.9-12 | 10.9-12 | 12.9-14 | 14.9-16 | 16.9-18 |
| s (min / max) |
12.73-13 | 16.73-17 | 18.67-19 | 23.67-24 | 29.16-30 | 31-32 | 35-36 | 40-41 | 45-46 | 53.8-55 | 63.1-65 | 73.1-75 |
Hex Lock Nuts in Distillery Plants
Hex Lock Nuts in Sugar Industries
Hex Lock Nuts in Process Industries
Hex Lock Nuts in Power Plants
Hex Lock Nuts in Refineries
Hex Lock Nuts in Petrochemical Plants
Your #1 Source for Hex Lock Nuts
Hex Lock Nuts Stock Availability
Stainless Steel Hex Lock Nuts
SS 304 Hex Lock Nuts, 1.4306 Hex Lock Nuts, Stainless Steel Hex Lock Nuts Supplier, UNS S31000 Hex Lock Nut, 316L SS Hex Lock Nuts Price, SS 317 Hex Lock Nuts, Stainless Steel 316 Hex Lock Nuts, Stainless Steel Hex Lock Nuts Exporter.
Carbon Steel Hex Lock Nuts
Carbon Steel Hex Lock Nuts Exporter, Low Temperature Carbon Steel Hex Lock Nuts, MS Hex Lock Nuts, CS Hex Lock Nuts, High Tensile Carbon Steel Hex Lock Nuts, Mild Steel Hex Lock Nuts Price, Carbon Steel Hex Lock Nuts Supplier.
Alloy Steel Hex Lock Nuts
Alloy Steel Hex Lock Nuts Exporter, Chromium-molybdenum Hex Lock Nuts, Chrome Moly Steel Hex Lock Nuts, AS Hex Lock Nuts, CrMo Hex Lock Nuts Price, Alloy Steel Hex Lock Nuts Supplier, Cr-Mo Hex Lock Nuts.
Duplex Steel Hex Lock Nuts
Duplex Steel Hex Lock Nuts Exporter, UNS S32205 Hex Lock Nuts, 1.4462 Duplex Hex Lock Nut, Duplex Steel S31803 Hex Lock Nuts Price, Duplex Stainless Steel Hex Lock Nuts, Duplex Hex Lock Nuts Supplier, Duplex Hex Lock Nuts, DSS Hex Lock Nuts.
Super Duplex Steel Hex Lock Nuts
1.4410 Super Duplex Hex Lock Nut, UNS S32750 Hex Lock Nuts, Super Duplex Hex Lock Nuts, Super Duplex Steel Hex Lock Nuts Exporter, Super Duplex Hex Lock Nuts Supplier, Super Duplex Stainless Steel Hex Lock Nuts, SDSS Hex Lock Nuts, Super Duplex S32760 Hex Lock Nuts Price.