Company Introduction
Mcneil Instruments is a trusted name in the global steel and metal industry, delivering premium-quality products and customized solutions to meet diverse industrial needs. With a strong presence in the UAE and across international markets, we specialize in manufacturing and supplying stainless steel pipes, tubes, flanges, fasteners, and other high-performance metal products.
Our commitment to quality, innovation, and customer satisfaction sets us apart. Backed by years of industry expertise, we adhere to international standards and ensure precision engineering in every product we deliver. At Mcneil Steel & Alloys FZE, we aim to build long-lasting relationships with clients by providing reliable, durable, and cost-effective solutions for industries such as oil & gas, construction, marine, and petrochemicals.
Bolts Uses and Applications
Bolts are one of the most widely used fasteners, designed to provide secure and reliable connections in various assemblies. They are used in combination with nuts or washers to hold components together, ensuring strength, stability, and safety. Bolts come in different shapes, sizes, and materials, making them suitable for a wide range of industries.
Common Uses of Bolts:
- Joining components in construction and infrastructure projects.
- Assembling machinery and heavy equipment.
- Securing metal, wood, or composite materials.
- Providing structural stability in automotive and aerospace components.
- Connecting pipelines, flanges, and industrial fittings.
Applications of Bolts:
- Construction Industry – Building frames, bridges, and metal structures.
- Automotive Sector – Engine assemblies, chassis connections, and vehicle parts.
- Oil & Gas Industry – Securing pipelines, offshore platforms, and refineries.
- Marine Industry – Used in ships, ports, and marine equipment.
- Heavy Machinery – Reliable fastening for industrial machines.
- Electrical and Power – Assembling panels, wind turbines, and power systems.
Bolt Specifications
| Bolt Size | M 02 to M 160, Custom Sizes |
|---|---|
| Bolts Length | 3 mm to 1000 mm |
| Bolt | UNF, BSW, BSF, METRIC, UNC, or as required |
| Standard of Bolts | IS1364, ISO 4014, ISO 4017, DIN 933, DIN 931, BS 1083, BS 1768, ASME B18.2.1, JIS B1180, DIN 558, ISO 4018, DIN-EN14399-4, DIN 601, ISO 4016, CSN 21301, EU 24016, DIN 7968, DIN7990, ASME B18.2.1, B18.5 |
| Form of Bolts | Hex, Threading, Square, Round as per Gauge Etc. |
| Raw Materials Source | JSPL, Mukund Steel, Tata Steel, Dhamma Steel, Usha Martin, etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Popular Types of Bolts | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Countersunk Bolts, etc. |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate of Bolts | As per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production Process | M24-M100: hot forging, M2-M24: Cold Forging, for custom-made connecting element machining and CNC |
| Head Drive of Bolts | Six-Lobe, Phillips, Phillips/Slot, Slotted etc. |
| Packing of Bolts | IN BULK: carton, pallet, Small Boxes / carton/pallet, or customer request |
| Surface Coating | PTFE Coated Bolts, Phosphate Coating, Teflon Coating, Zinc Coating, Hot Dipped Galvanizing Coating, Cadmium Coating, Xylon Coating |
| Bolts Finishing | Coatings & Finishes: Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, DACROMET Geometry, Mechanically Applied coating, Nickel-plated, Anodizing, Plated Zinc-Nickel, Zinc (blue, black, yellow, white), Black Oxide |
| Bolt Size | M 02 to M 160, Custom Sizes |
|---|---|
| Bolts Length | 3 mm to 1000 mm |
| Bolt Types | UNF, BSW, BSF, METRIC, UNC, or as required |
| Standard of Bolts | IS1364, ISO 4014, ISO 4017, DIN 933, DIN 931, BS 1083, BS 1768, ASME B18.2.1, JIS B1180, DIN 558, ISO 4018, DIN-EN14399-4, DIN 601, ISO 4016, CSN 21301, EU 24016, DIN 7968, DIN7990, ASME B18.2.1, B18.5 |
|---|---|
| Form of Bolts | Hex, Threading, Square, Round as per Gauge Etc. |
| Raw Materials Source | JSPL, Mukund Steel, Tata Steel, Dhamma Steel, Usha Martin, etc. |
|---|---|
| Production Process | M24-M100: hot forging, M2-M24: Cold Forging, for custom-made connecting element machining and CNC |
| Popular Types of Bolts | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Countersunk Bolts, etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
|---|---|
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically. |
| Head Drive of Bolts | Six-Lobe, Phillips, Phillips/Slot, Slotted etc. |
| Surface Coating | PTFE Coated Bolts, Phosphate Coating, Teflon Coating, Zinc Coating, Hot Dipped Galvanizing Coating, Cadmium Coating, Xylon Coating |
|---|---|
| Bolts Finishing | Coatings & Finishes: Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, DACROMET Geometry, Mechanically Applied coating, Nickel-plated, Anodizing, Plated Zinc-Nickel, Zinc (blue, black, yellow, white), Black Oxide. |
| Certification | Dual Certified As per ASTM & ASME Codes |
|---|---|
| Test Certificate of Bolts | As per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Packing of Bolts | IN BULK: carton, pallet, Small Boxes / carton/pallet, or customer request |
|---|
Most Selling Types Of Bolts
ANSI and/or ASME Standards Bolts
| Description | Standard | Measurement System |
|---|---|---|
| Square & Hex Head Bolts | ANSI/ASME B18.2.1 | Inch Series |
| Hex Head Bolts | ANSI/ASME B18.2.3.5M | Metric |
| Heavy Hex Bolts | ANSI/ASME B18.2.3.6M | Metric |
| Heavy Hex Structural Bolts | ANSI/ASME B18.2.3.7M | Metric |
| Square Head Bolts | ANSI/ASME B18.2.3.10M | Metric |
| Round Head Bolts | ANSI/ASME B18.5 | Inch Series |
| Round Head Short Square Neck Bolts | ANSI/ASME B18.5.2.1M | Metric |
| Round Head Square Neck Bolts | ANSI/ASME B18.5.2.2M | Metric |
| Round Head Square Neck Bolts With Large Head | ANSI/ASME B18.5.2.3M | Metric |
| Track Bolts | ANSI/ASME B18.10 | Inch Series |
| Forged Eye Bolts | ANSI/ASME B18.15 | Inch Series |
| Lifting Eye Bolts | ANSI/ASME B18.15M | Metric |
| Hex Head Bolts | DIN 931 | Metric |
| Heavy Hex Bolts | DIN 6914 | Metric |
| Countersunk Square Head Bolts With Short Neck | DIN 608 | Metric |
| Lifting Eye Bolts (Type A) | DIN 444A | Metric |
| Lifting Eye Bolts (Type B) | DIN 444B | Metric |
| Square Head Bolts With Collar | DIN 478 | Metric |
| Forged Lifting Eyes/Eye Bolts | DIN 580 | Metric |
| Carriage Bolts | DIN 603 | Metric |
| Flat Countersunk Nib Bolts | DIN 604 | Metric |
| Carriage Bolts | DIN 607 | Metric |
| U Bolts | DIN 3570 | Metric |
| Hex Flange Bolts | DIN 6921 | Metric |
| Plough Bolts with 2 Nibs | DIN 11014 | Metric |
| Hex Head Bolts with Shank | ISO 4014 | Metric |
| Hex Head Bolts with Nuts | ISO 4016 | Metric |
| Full Thread Hex Head Bolts | ISO 4017 | Metric |
| Hex Flange Bolts | ISO 4162 | Metric |
| Hex Flange Bolts | ISO 8100 | Metric |
| Hex Bolt With Flange | ISO 8102 | Metric |
| Hex Flange Bolts | ISO 15071 | Metric |
| Mushroom Head Square Neck Bolts | ISO 8677 | Metric |
| Fine Threaded Hex Head Bolts | ISO 8765 | Metric |
| Hex Head Bolts | IS 1363 Part 1 | Metric |
| Hex Head Bolts | IS 1363 Part 2 | Metric |
| Hex Head Bolts | IS 1364 Part 1 | Metric |
| Hex Head Bolts For Structural Joints | IS 6639 | Metric |
| Hex Head Transmission Tower Bolts | IS 12427 | Metric |
| Hexagon Flange Bolts | IS 15582 | Metric |
Fasteners Types
Bolt Manufacturer
Nut Manufacturer
Screw Manufacturer
Washers Manufacturer
Stud Bolts Manufacturer
Ring Fasteners Manufacturer
Coated Fasteners Manufacturer
Custom Fasteners Manufacturer
Types of Round Bars
| S.No | Round Bar Type |
|---|---|
| 1 | Stainless Steel Round Bars |
| 2 | SS Round Bars |
| 3 | Carbon Steel Round Bars |
| 4 | Alloy Steel Round Bars |
| 5 | Duplex Steel Round Bars |
| 6 | Inconel Round Bars |
| 7 | CS Round Bars |
| 8 | Hastelloy Round Bars |
| 9 | Copper Round Bars |
| 10 | Alloy 20 Round Bars |
| 11 | Titanium Round Bars |
| 12 | Aluminium Round Bars |
| 13 | Super Duplex Round Bars |
| 14 | AS Round Bars |
| 15 | Monel Round Bars |
| 16 | Nickel Alloy Round Bars |
| 17 | Copper Round Bars |
| 18 | Alloy Round Bars |
| 19 | Copper Nickel Alloy Round Bars |
| 20 | Mild Steel Round Bars |
| 21 | Steel Round Bars |
| 22 | Stainless Round Bars |
Hex Bolts
Elevator Bolts
Eye Bolts
Hanger Bolt
Heavy Hex Bolt
Hex Flange Bolt
Hollow Allen Bolt
Hollow Hex Bolt
J Bolt
Lag Bolt
Machine Bolt
Shoulder Bolt
Socket Head Bolt
Square Head Bolt
Countersunk Bolt
Carriage Bolt
U Bolt
Stud Bolt
Allen Bolt
Anchor Bolt