Vimal Industrial Corporation is a trusted nut bolt supplier and a recognized name among stainless steel fasteners suppliers in Mumbai, offering high-quality DIN 1587 Hexagon Domed Cap Nuts. Commonly known as dome or acorn nuts, these fasteners are ideal where safety meets aesthetics, covering exposed threads while enhancing the overall finish of assemblies in automotive, furniture, and construction applications.
Engineered as per DIN 1587 standards, these Hexagon Domed Cap Nuts come with a hexagonal base and a precision-rounded dome that fully encloses the bolt end. This smart design helps protect threads from corrosion, dust, and mechanical damage, while also reducing the risk of injuries caused by sharp edges. As a reliable supplier of stainless steel fasteners, we provide durable, rust-resistant solutions suitable for both indoor and outdoor environments, along with a versatile range of sizes, materials, and finishes to meet varied industrial requirements.
With a focus on quality, consistency, and timely delivery, Vimal Industrial Corporation continues to serve as a preferred partner for industries seeking durable and high-performance fastening solutions across Mumbai and India.
The demand for DIN 1587 Hexagon Domed Cap Nuts is steadily increasing across industries where safety, durability, and finish all matter equally. These nuts are not just functional components, they play a key role in enhancing equipment reliability and visual appeal. By neatly covering exposed threads, they minimize the risk of injuries, prevent thread damage, and add a polished look to assemblies used in automotive, architectural, and industrial setups.
At Vimal Industrial Corporation, we go beyond just supply, we focus on delivering dependable fastening solutions. As a leading nut bolt supplier and one of the trusted stainless steel fasteners suppliers in Mumbai, we offer DIN 1587 nuts in stainless steel (A2/A4), brass, and carbon steel, along with multiple coating options for added protection. Sourced from reputed manufacturers like APL Fasteners, our range ensures consistent quality, corrosion resistance, and long-term performance.
Whether it’s bulk industrial demand or project-specific requirements, our ready stock, technical understanding, and fast dispatch capabilities make us a preferred partner. From standard applications to more refined use cases, our Hexagon Domed Cap Nuts and other stainless steel fasteners are designed to deliver both strength and a clean, professional finish.
DIN 1587 Hexagon Domed Cap Nuts are widely used across industries where safety, durability, and a clean finish are equally important. Their closed dome design not only protects exposed threads but also enhances corrosion resistance and overall appearance, making them suitable for both functional and decorative applications.
Automotive and Motorcycle – commonly used in wheel assemblies, engine parts, and other exposed fastening points where both protection and finish are required.
Furniture and Interior Design – Ideal for decorative fittings and child-safe assemblies by covering sharp bolt ends.
Architecture and Construction – used in railings, balustrades, and structural fittings to ensure a neat and secure finish.
Marine and Offshore – preferred in harsh environments due to their compatibility with stainless steel fasteners for superior corrosion resistance.
Food and Medical Equipment – suitable for hygienic applications where covered fasteners help maintain clean and safe surfaces.
General Engineering – widely applied in machinery and equipment where exposed threads need long-term protection and reliability.
DIN 1587 Hexagon Domed Cap Nuts offer a smart balance of safety, durability, and visual appeal. By covering exposed threads, they not only extend the life of fasteners but also improve the overall finish of assemblies. This makes them a preferred choice across industries that rely on high-quality stainless steel fasteners for reliable and long-lasting performance.
When it comes to sourcing reliable fastening solutions, Vimal Industrial Corporation stands out as a dependable nut bolt supplier and one of the trusted stainless steel fasteners suppliers in Mumbai. Our focus is not just on supplying products, but on delivering consistent quality, technical reliability, and a smooth buying experience for every client.
Why clients choose us:
✅ Authorized APL Fasteners Dealer – Genuine products with assured quality and compliance.
✅ Wide Range in Stock – DIN 1587 dome nuts available in multiple sizes, materials, and finishes.
✅ Bulk Order Capability – Ready stock for both urgent and bulk requirements.
✅ Technical Support – Expert guidance to help you choose the right fastener for your application.
✅ Fast Delivery Across India – Fast and reliable dispatch from our Mumbai base.
✅ Quality Guarantee – All products conform to DIN and relevant industry standards.
Whether your requirement is for OEM production, large-scale construction, or distribution, we ensure timely supply of Hexagon Domed Cap Nuts and other stainless steel fasteners with a strong emphasis on performance, consistency, and value.
| thread | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | M24 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Series 1 | ||||||||||||
| Series 2 | - | - | - | M8x1 | M10x1 | M12x1.5 | (M14x1.5) | (M16x1.5) | (M18x1.5) | M20x2 | (M22x1.5) | M24x2 |
| Series 3 | - | - | - | - | M10x1.25 | M12x1.25 | - | - | (M18x2) | M20x1.5 | (M22x2) | - |
| P Series 1 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
| da min. | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| da max. | 4.6 | 5.75 | 6.75 | 8.75 | 10.8 | 13 | 15.1 | 17.3 | 19.5 | 21.6 | 23.7 | 25.9 |
| dk max. | 6.5 | 7.9 | 9.5 | 12.5 | 15 | 17 | 20 | 23 | 26 | 28 | 33 | 34 |
| dw min. | 5.9 | 6.9 | 8.9 | 11.6 | 14.6 | 16.6 | 19.6 | 22.5 | 24.9 | 27.7 | 31.4 | 33.3 |
| e min. Product grade A | 7.66 | 8.79 | 11.05 | 14.38 | 17.77 | 20.03 | 23.35 | 26.75 | 30.14 | 33.53 | 37.72 | 39.98 |
| e min. Product grade B | 7.5 | 8.63 | 10.89 | 14.2 | 17.59 | 19.85 | 22.78 | 26.17 | 29.56 | 32.95 | 37.29 | 39.55 |
| x max. | 1.4 | 1.6 | 2 | 2.5 | 3 | 3 | - | - | - | - | - | - |
| g2 max. Series 1 | - | - | - | - | 6.4 | 7.3 | 7.3 | 9.3 | 9.3 | 9.3 | 9.3 | 10.7 |
| g2 max. Series 2 | - | - | - | - | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 7.3 | 5.6 | 7.3 |
| g2 max. Series 3 | - | - | - | - | 4.9 | - | - | - | 7.3 | 5.6 | 7.3 | - |
| h max. nominal size | 8 | 10 | 12 | 15 | 18 | 22 | 25 | 28 | 32 | 34 | 39 | 42 |
| dw min. P. grade A | 7.64 | 9.64 | 11.57 | 14.57 | 17.57 | 21.48 | 24.48 | 27.48 | 32.38 | 33.38 | 38.38 | 41.38 |
| e min. P. grade B | 7.42 | 9.42 | 11.3 | 14.3 | 17.3 | 21.16 | 24.16 | 27.16 | 31 | 33 | 38 | 41 |
| m max. | 3.2 | 4 | 5 | 6.5 | 8 | 10 | 11 | 13 | 15 | 16 | 18 | 19 |
| x max. Mw min. | 2.9 | 3.7 | 4.7 | 6.14 | 7.64 | 9.64 | 10.3 | 12.3 | 14.3 | 14.9 | 16.9 | 17.7 |
| Mw min. | 2.32 | 2.96 | 3.76 | 4.91 | 6.11 | 7.71 | 8.24 | 9.84 | 11.44 | 11.92 | 13.52 | 14.16 |
| r approx. | 3.25 | 3.75 | 4.75 | 6.25 | 7.5 | 8.5 | 10 | 11.5 | 13 | 14 | 16.5 | 17 |
| s Max. = nominal size | 7 | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 34 | 36 |
| s min. P. grade A | 6.78 | 7.78 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | 33.38 | 35.38 |
| s min. P. grade B | 6.64 | 7.64 | 9.64 | 12.57 | 15.57 | 17.57 | 20.16 | 23.16 | 26.16 | 29.16 | 33 | 35 |
| t w min. | 5.26 | 7.21 | 7.71 | 10.65 | 12.65 | 15.65 | 17.65 | 20.58 | 24.58 | 25.58 | 28.58 | 30.5 |
| t w max. | 5.74 | 7.79 | 8.29 | 11.35 | 13.35 | 16.35 | 18.35 | 21.42 | 25.42 | 26.42 | 29.42 | 31.5 |
| Weight kg/1000pcs min. | 2 | 2 | 2 | 2 | 3 | 4 | 5 | 4 | 5 | 5 | 5 | 6 |
| Weight kg/1000pcs max. | - | - | - | 4.66 | 11 | 20.1 | 28.3 | - | 54.3 | 95 | 104 | 216 |
A DIN 1587 nut, also known as an Acorn Nut, has a smooth dome that covers the exposed end of a bolt fastener. This prevents injuries from sharp thread edges and gives your project a clean, professional “finished” look that a standard nut can’t provide.
While they look decorative, they are fully functional. However, for extreme vibration, experts at Vimal Industrial recommend pairing them with a thread-locker or a spring washer. As a trusted Nut Bolt Supplier, we ensure the internal threading is precise enough to maintain a tight grip.
You need to check the thread diameter (M6, M8, etc.) and the “total height” of the dome. If your bolt fastener is too long, it will hit the top of the dome before the nut is tight. Always measure the protrusion of your bolt before ordering from a Fasteners Supplier India.
Absolutely. DIN 1587 is a metric standard, so it fits perfectly with any standard metric bolt fastener. Just ensure the thread pitch (standard or fine) matches your bolt to avoid stripping the internal threads during installation.
Check for a smooth dome finish and consistent thread depth. A reliable Nut Bolt Supplier like Vimal Industrial provides material test reports (MTR) to guarantee that the Industrial Hardware you receive meets international DIN safety and quality standards.