A05B-1139-K051 FANUC Screw Cap

Review FANUC Metal Screw-on Cap New #347931

The FANUC A05B-1139-K051 Screw-On Cap is an essential accessory for FANUC CNC machines equipped with coolant systems. This cap is specifically designed for use with FANUC's 347931 coolant tank, providing an effective and efficient solution for maintaining coolant levels during machining operations.

The A05B-1139-K051 cap is made of high-quality materials, ensuring durability and longevity even under heavy usage. Its screw-on design provides a secure and leak-free connection to the coolant tank, preventing any potential spills or messes in the workshop.

The cap features a large opening, allowing for easy and convenient filling of the coolant tank without the need for any additional tools. The opening is also equipped with a fine mesh filter, which helps to prevent debris and contaminants from entering the coolant system and ensuring the consistent quality of the coolant.

The FANUC A05B-1139-K051 Screw-On Cap is designed with safety in mind. It is equipped with an overfill protection feature, which automatically shuts off the coolant flow when the tank is full, preventing any potential overfilling and resulting in costly damage.

The cap's smooth and ergonomic design makes it easy to handle and operate, even during long hours of machining. Its sleek and modern appearance also adds a professional touch to any CNC machine setup.

In summary, the FANUC A05B-1139-K051 Screw-On Cap is an indispensable accessory for any FANUC CNC machine with a coolant system. Its durable construction, convenient design, and effective functionality make it a valuable investment for any machinist or workshop looking to optimize their cooling system and ensure efficient and consistent machining results.

The FANUC A05B-1139-K051 screw-on cap is a component used in CNC machining centers, specifically for FANUC brand machines. This cap is designed to fit on the coolant through-spindle of the machine. Here are some pros and cons of buying this part:

1. Guaranteed compatibility: This cap is manufactured by FANUC, ensuring it fits perfectly with their machining centers.

2. High-quality standard: FANUC is a renowned brand for manufacturing reliable and durable industrial components, making this cap a reliable choice.

3. Easy installation: The screw-on design makes it easy to install and remove as needed.

4. Improved coolant flow: This cap can help improve coolant flow, leading to better machining performance and longer tool life.

5. OEM part: Purchasing this part from a reputable supplier, such as FANUC, ensures you are getting an original equipment manufacturer (OEM) part, which can provide peace of mind and potentially save money in the long run as it can prevent the need for costlier repairs or replacements of non-genuine parts.

1. Potentially higher cost: OEM parts, like this FANUC cap, may be more expensive than aftermarket alternatives.

2. Limited availability: Depending on your supplier and location, this part may not always be readily available.

3. Single-use for specific machine: This cap is designed for use with FANUC A05B-1139-K051 machining centers, making it a less versatile option compared to universal caps.

In conclusion, the FANUC A05B-1139-K051 screw-on cap is a high-quality component that ensures compatibility and reliable performance for FANUC CNC machining centers. While it may come with a higher cost compared to aftermarket alternatives, the peace of mind and potential cost savings from using an OEM part in the long run may outweigh the initial investment.

Recommendation: If you own a FANUC machining center and require a new coolant through-spindle cap, purchasing the FANUC A05B-1139-K051 screw-on cap is a recommended choice. You can either contact your local FANUC dealer or a reputable industrial parts supplier to secure this part.

Details:

Fanuc A05B-1139-K051. Manufacturer part number: A05B-1139-K051.

specifications lightument:

• brand: Fanuc
• mpn: A05b-1139-k051
• part type: Screw Cap

payments lightument:

• other
• wallet: google-pay
• credit card: discover

seller lightument:

• city: clinton township, michigan
• # reviews: 20438
• rating: 99.9%

offer lightument:

• in stock #: 5
• prices: $22.50–$23.75
• item condition: New
• availability: in stock
• options: ship-to-home
• best offers: true
• started: january 20, 2026
• sold #: 17

shipping lightument:

• class: standard, expedited, one-day
• type: calculated
• service: fedex ground / fedex home delivery, ups ground, usps priority mail, fedex standard overnight
• transit: 2-4 days
• carrier: fedex, ups, usps

general lightument:

• category: Business & Industrial > Light Equipment Tools

returns lightument:

• policy: no returns