Serving demanding industrial applications where product specification, dimensional conformity, rigorous material identification, and full inspection records drive success.
Manufactured and supplied strictly to ASME, ASTM, API, ISO, and DIN standards.
Chemical composition, hardness, mechanical & thread dimensional inspection per batch.
Full spectrum of surface treatments including Fluorocarbon, Zylon, and Hot-dip galvanizing.
DMVEX GLOBAL is focused on petrochemical-grade bolting, structural bolts and nuts, and precision-machined components. We serve industrial applications where product specification, dimensional conformity, material identification and inspection records are important to the supply process.
Our product offering includes stud bolts, threaded studs, nuts and other bolting components manufactured or supplied to the applicable customer and product requirements. Material grade, coating, testing scope and inspection documentation should be agreed against the customer's technical specification and service conditions.
High-temp/high-pressure studs, B7, B7M, L7, and specialized alloy components.
Heavy hex nuts, structural fasteners conforming to ASTM F3125 grades A325 / A490.
Custom machined parts manufactured precisely to customer drawings and specifications.
Rigorous in-house lab testing for chemical analysis, hardness, and dimensions.
Comprehensive inventory of industrial bolting solutions built to withstand extreme operating environments.
Final product supply is subject to the applicable drawing, purchase order, material grade and standard edition.
| Standard | Typical Grades / Reference | Application / Purpose |
|---|---|---|
| ASME B18.31.2 | Continuous-thread, double-end and flange bolting studs | Inch-series stud dimensions and product forms |
| ASME B18.2.2 | Machine screw, hex, square, hex-flange and coupling nuts | Inch-series nut dimensions |
| ASTM A193/A193M | B7, B7M, B16, B8/B8M | High-temperature / high-pressure bolting and stainless bolting |
| ASTM A320/A320M | L7, L7M and applicable stainless grades | Low-temperature bolting |
| ASTM A194/A194M | 2H, 2HM, 7, 7M, 7ML, 4 | Industrial high-pressure / high-temperature nuts |
| ASTM A453/A453M | Grade 660 | Special high-temperature bolting |
| ASTM F3125/F3125M | Grades A325 / A490 | High-strength structural bolts |
| API 20E | API bolting categories | Oil & gas bolting quality, qualification and traceability |
| ISO 4014 / ISO 4032 | As specified | Metric hex bolts and hex nuts |
| DIN 931 / 933 / 934 | As specified | Metric hex bolts and hex nuts |
Testing and inspection carried out in an in-house laboratory. Inspections are performed for each batch, heat number and diameter before release:
Subject to product suitability and customer specification for corrosion resistance and longevity.
High-grade fasteners, precision studs, and coated assemblies.
For product enquiries and quotations, please share the applicable standard, material grade, size, quantity, coating requirement, inspection scope and delivery destination.
03, Indraprastha Row House, Anand Nagar, Nashik Road, Nashik – 422101, Maharashtra, India
dmvexglobal@gmail.com