# MarySino 1/4 in.-20 x 1-1/4 in. Black Oxide Stainless Steel Hex Button Head Socket Cap Screw (20-Pack)

**Brand:** [MarySino](https://shop.coreranger.com/brands/MarySino)
**SKU:** SF-MS-DP00331
**Price:** $20.13 · in stock
**URL:** https://shop.coreranger.com/product/marysino-1-4-in-20-x-1-1-4-in-black-oxide-stainless-steel-hex-button-head-socket-cap-screw-20-pack-339873472

## Specifications

| Spec | Value |
|---|---|
| Size | 1/4 in |
| Model # | SF-MS-DP00331 |
| Features | No Additional Features |
| Head Style | Button Head |
| Internet # | 339873472 |
| Returnable | 90-Day |
| Drive Style | Hex |
| Store SKU # | 1015053004 |
| Screw Length | 1-1/4 in |
| Thread Style | Coarse Thread |
| Fastener Type | Socket Screws |
| Fastener Color | Black |
| Fastener Plating | Black Oxide |
| Package Quantity | 20 |
| Fastener Material | Stainless Steel |
| Interior/Exterior | Exterior,Interior |
| Measurement System | Inches,Metric |
| Product Weight (lb.) | 0.64 lb |
| Manufacturer Warranty | NONE |
| Threads Per Inch (TPI) | N/A - Metric Fastener |

## Description

These 1/4-20 black oxide stainless steel button head socket cap bolts are engineered for dependable fastening across furniture assembly, machinery repair, automotive work, and general home improvement projects. Built with corrosion-resistant stainless steel and finished with a durable black oxide coating, each bolt provides long-lasting performance in indoor and outdoor environments. The fully threaded design delivers strong, consistent engagement, making these bolts ideal for metal-to-metal, wood-to-metal, and composite connections.A precision-machined 1/4-20 thread ensures smooth installation and secure fitment, while the button head socket cap style offers a clean, low-profile appearance without compromising clamping strength. The hex socket drive reduces stripping, supports higher torque, and enables easy access in tight or recessed areas. These bolts are suitable for equipment maintenance, cabinetry, brackets, fixtures, and structural assemblies that require reliable fastening with consistent torque retention.Whether you are replacing worn hardware, upgrading machinery components, or completing DIY building tasks, these black oxide stainless steel bolts deliver stable performance and versatile application. Designed for builders, technicians, and homeowners, each set provides durable fastening components ready for both heavy-duty and everyday installation needs.

• Black oxide stainless steel ensures lasting rust resistance.
• Fully threaded design ensures secure fastening and tight spaces
• Low-profile button head provides a clean, professional finish.