A4 Butt Cap Screw – Black Steel (160306104)
Overview
The A4 Butt Cap Screw in sleek black steel, part number 160306104, is a premium fastener engineered for demanding industrial, commercial, and residential applications. Designed to deliver exceptional torque, precise alignment, and long‑term durability, this cap screw is the ideal choice for engineers, contractors, and DIY enthusiasts seeking reliable performance without compromising on aesthetics.
Key Features & Benefits
- High‑Strength Black Steel Construction: Fabricated from heat‑treated carbon steel with a black oxide coating that provides superior tensile strength and a corrosion‑resistant finish.
- Standard A4 Thread Profile: Meets ISO 261/262 specifications for a perfect fit with A4‑rated nuts and inserts, ensuring consistent torque and secure joint integrity.
- Butt‑End Design: The flat, precision‑machined butt end eliminates protrusion, allowing for flush installation in panels, enclosures, and machinery housings.
- Versatile Length Options: Available in multiple lengths to accommodate a wide range of thicknesses and assembly requirements.
- Enhanced Corrosion Resistance: Black oxide coating protects against moisture, chemicals, and abrasive environments, extending service life.
- Easy Installation: Compatible with standard screwdriver and wrench sets; the hex socket head provides a comfortable grip for rapid torque application.
Technical Specifications
| Specification | Detail |
|---|
| Part Number | 160306104 |
| Thread Standard | ISO A4 (M4, M5, M6, etc.) |
| Material | Black‑oxidized carbon steel |
| Coating | Black oxide (anti‑corrosion) |
| Head Type | Hex socket (Allen) – 2 mm, 2.5 mm, or 3 mm depending on size |
| Finish | Matte black, non‑reflective |
| Strength Class | 8.8 / 10.9 (depending on size) |
| Compliance | ISO 898‑1, EN 10269 |
| Typical Applications | Electrical enclosures, HVAC units, automotive brackets, machinery frames, consumer electronics, and more. |
Why Choose the A4 Butt Cap Screw 160306104?
When precision, strength, and a clean visual profile matter, the A4 Butt Cap Screw in black steel stands out as the top solution. Its robust construction minimizes the risk of stripping or failure under load, while the black finish blends seamlessly with modern equipment designs. Whether you are assembling a high‑performance industrial panel or a sleek consumer device, this fastener delivers confidence and consistency.
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Installation Tips
- Verify the required length and thread size before selection.
- Pre‑drill a pilot hole that matches the screw’s core diameter for optimal torque.
- Use an appropriately sized Allen wrench to avoid cam‑out and ensure even tightening.
- Apply a light thread locker if the screw will be subject to vibration.
- Check alignment after tightening to guarantee a flush finish.
Upgrade your fastening solutions with the reliable, stylish, and high‑performance A4 Butt Cap Screw – Black Steel (160306104) today.
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