Reverse Finger Bits

Wet / Reverse direction thread / Fast cutting / Long life

Professional Wet Reverse Finger Bit for Stone Fabrication

CNC stone fabrication applications sometimes require a finger bit with a reverse-thread configuration while maintaining reliable cutting performance.

DIATOP Reverse Finger Bit is designed for wet cutting and features a reverse direction thread.

The bit is designed for fast cutting and long service life and is available in 23 mm diameter with 35 mm and 40 mm segment lengths.

Type of Equipment: D (Drill Press / CNC Drilling Equipment)

Key Features

• Reverse direction thread.

• Fast cutting.

• Long service life.

• Wet cutting.

• Available in two segment lengths.

Available Sizes

Item – Diameter inch / Diameter mm / Segment Length mm

• DFBR 2335 – 7/8 inch / 23 mm / 35 mm

• DFBR 2340 – 7/8 inch / 23 mm / 40 mm

Operation Parameters

• RPM: 4500–6500

• Feed: 10–20 inches/min

• Feed: 250–500 mm/min

Technical Notes

• Wet cutting

• Reverse direction thread

• Diameter: 23 mm

• Segment Lengths: 35 mm, 40 mm

• Recommended RPM: 4500–6500

• Recommended Feed: 250–500 mm/min (10–20 inches/min)

Typical Applications

reverse finger bit routing, CNC stone cutting, granite routing, countertop fabrication, sink cut-out routing, bowl cut-out routing, wet stone cutting, CNC granite fabrication, stone fabrication

Q1. What is the main feature of the DIATOP Reverse Finger Bit?

A. DIATOP Reverse Finger Bit features a reverse direction thread and is designed for fast cutting and long service life.

Q2. What sizes are available for the Reverse Finger Bit?

A. The catalog lists a 7/8 inch (23 mm) diameter with either 35 mm or 40 mm segment length.

Q3. What operating parameters are recommended for the Reverse Finger Bit?

A. The catalog specifies 4500–6500 RPM and a feed rate of 250–500 mm/min, equivalent to 10–20 inches/min.

For Reverse Finger Bit selection guidelines, CNC operating parameters, feed rates, wet cutting conditions, and troubleshooting guidance, please visit the DIATOP Tech Notes section.