Weha Red Top Racer Finger Bit, 20 mm x 40 mm

The Weha Red Top Racer High-Speed CNC Diamond Finger Bit is designed for production cutting and material removal on granite, marble, engineered stone and quartz.

This 20 mm x 40 mm finger bit features an 8-segment design and a 1/2-inch gas thread. According to the supplied product information, the Top Racer is designed to perform at higher operating speeds and can run at feed rates up to 36 inches per minute when fully engaged.

Typical Applications

• CNC stone fabrication
• Granite cutting and material removal
• Marble cutting and material removal
• Engineered stone fabrication
• Quartz fabrication
• Production CNC work

Advantages

• 8-segment diamond design
• Designed for high-speed CNC production work
• Suitable for granite, marble, engineered stone and quartz
• According to the supplied product information, designed for rapid material removal
• Can also be operated at lower feed rates for applications where extended tool life is prioritized

Specifications

• Brand: Weha
• Product Line: Top Racer
• Product Type: CNC Diamond Finger Bit
• Diameter: 20 mm
• Working Length: 40 mm
• Segments: 8
• Thread: 1/2-inch gas
• Operating Speed: 5,500–8,500 RPM
• Listed Feed Rate: 24–36 inches per minute
• Compatible Materials: Granite, marble, engineered stone and quartz
• Application: CNC machines

Performance Information

According to the supplied product information, the Top Racer can operate at feed rates up to 36 inches per minute while fully engaged. The supplied information describes it as designed for high-production CNC work and states that its 8-segment configuration provides fast material removal.

A fabricator testimonial included with the supplied product information reports approximately 700 feet of use while operating the Top Racer at 5,800 RPM and 12–14 inches per minute. The fabricator also reported consistent wear throughout the tool's service life. This represents an individual user's reported experience rather than a guaranteed performance result.

Frequently Asked Questions

What size is the Weha Top Racer Finger Bit?

This listing is for a 20 mm x 40 mm finger bit.

How many segments does this finger bit have?

The Top Racer features an 8-segment design.

What materials is it designed for?

The supplied product information lists granite, marble, engineered stone and quartz.

What is the recommended operating speed range?

The supplied product information lists an operating range of 5,500–8,500 RPM.

What feed rate is listed for the Top Racer?

The supplied specifications list a feed rate of 24–36 inches per minute.

What thread does this finger bit use?

The supplied product information lists a 1/2-inch gas thread.

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