Description of :
Fasteners are critical mechanical components used to securely join two or more parts in a wide range of industrial and structural applications. They are designed to provide strong, reliable, and often removable connections, ensuring stability and safety in piping systems, machinery, construction, and equipment assemblies. Available in different forms such as bolts, nuts, screws, washers, studs, and anchors, fasteners are manufactured in various grades of stainless steel, carbon steel, alloy steel, and high-strength materials to withstand diverse loads, pressures, and environmental conditions. With precise threading, superior strength, and excellent corrosion resistance, fasteners ensure long-lasting performance in demanding industries like oil & gas, petrochemicals, power, automotive, and construction.
Specification of Fasteners
The Product Range showed is the brief look at assortment and sizes we can offer. Since the measurements are vehicle particular, the gatherings are asked for to send their Drawings/Samples.
| product | size | range | Equivalent Standards | A.S.T.M. | ||||
|---|---|---|---|---|---|---|---|---|
| Metric (mm) | Inches | |||||||
| Dia | Length | Dia | Length | IS | DIN | BS | ||
| DMI-Hex Bolts & Nuts | M6 to M64 | 12MM to 500MM | ½” to 2” | ½” to 20” | 1363 3138 | 601 609 610 | 916 4190 | A 193 A 320 A 325 |
| 1364 | 931 933 | 1083 1768 | ||||||
| Grade4.6 to 12.9, A2 & A4 | ||||||||
| DMI-Hex Nuts | M6 to M64 | 1/4” to 2½” | 1363 3138 | 555 | 1083 1768 | A 194 A 563 | ||
| 1364 | ||||||||
| Grade 8 | Grade 8 | Grade 8 | ||||||
| DMI-Hex Lock & Nuts | M3 to M64 | 1/8” to 2½” | 1363 | 439 | 4185 Part 1 | |||
| DMI-Hex Slotted & Castle Nuts | M6 to M64 | 1/4” to 2½” | 2232 | 935 937 | 1083 | |||
| DMI-Hex Nylock Nuts | M3 to M48 | 1/8” to 2” | 7002 | 980 982985 | ||||
| DMI-Punch Washers | M3 to M72 | 1/8” to 2½” | 2016 | 125 126 | 3410 4320 | F-436 | ||
| DMI-Machined Washers | M2 to M36 | 1/8” to 2½” | 2016 | 125 | 34104320 | F-436 | ||
| DMI-Spring Washers | M2 to M36 | 1/8” to 1” | 3063 6735 | 127 | 1802 | F-436 | ||
| DMI-disc Spring Washers | M3 to M30 | 2507 | 2093 | |||||
| product | size | range | Equivalent Standards | A.S.T.M. | ||||
|---|---|---|---|---|---|---|---|---|
| Metric (mm) | Inches | |||||||
| Dia | Length | Dia | Length | IS | DIN | BS | ||
| DMI-Lock Washers | M3 to M24 | 5370 | 6797 | |||||
| DMI-SERRATED WASHERS | M3 to M12 | 5370 | 6797 | |||||
| DMI-CIRCLIPS / ECLIPS | 5mm to 200mm/ 12mm to 24mm | 3075 Type A & B/C | 471 472 6799 | 3673 Part 2 | F-436 | |||
| DMI-SELT TAPPING SCREWS | No 0 To No 12 | 3.2mm To 50mm | No 0 To No 12 | 1/8” To 2” | 5957 7169, 7170 7173 7178 | 7970 7971 7972 7973 7981 7982 7983 | 4174 7433 | |
| DMI-MACHINED SCREWS | M2 to M12 | 5mm To 75mm | 1/8” To ½” | 1/4” To 3” | 1365 1366 4218 7483 7485 7486 | 84 85 86 267 965 966 | 57,84,93,450 | |
| DMI-SPLIT COTTER PINS | M1.0 to M16 | 5mm To 250mm | 1/16” To 5/8” | 01/4” To 10” | 549 | 94 | 1574 | |
| DMI-STUD & THREADED RODS | M6 to M64 | 25mm To 200mm | 1/4” TO 2½” | 1” TO 80” | 1862 | 938 939 |
||
| DMI-EXPANSION / DMI/ ANCHORS / FASTENERS | M6 to M64 | 40mm To 250mm | ||||||
| product | size | range | Equivalent Standards | A.S.T.M. | ||||
|---|---|---|---|---|---|---|---|---|
| Metric (mm) | Inches | |||||||
| Dia | Length | Dia | Length | IS | DIN | BS | ||
| DMI-FULLY THREADED RODS / STUDS | M3 to M48 | 15MM to 3000MM | 1/8” to 2” | ½” to 120” | 975 | 916 | ||
| ASTMA-A-193, A-320 | ||||||||
| DMI-HEX SOCKET HEAD CAP SCREWS / SET SCREWS | M3 to M48 | 15MM to 400MM | 1/8” to 2” | ½” to 16” | 912 6912 7984 7991 913 914 915 916 | 6798 | ||
| ASTMA-A-193, A-325 | ||||||||
| DMI-CUP SQUARE BOLTS & NUTS | M6 to M42 | 12mm To 500mm | 603 604 605 607 608 | |||||
| DMI-HEX COACH SCREWS | M1.0 to M16 | 12mm To 500mm | 571 | 4174 7433 | ||||
| DMI-EYE BOLT | M6 to M48 | 444 580 | ||||||
| DMI-EYE NUTS | M6 to M42 | 582 | ||||||