
3.175×2.0x5 One Flute Spiral Bits Guide
One flute spiral bits provide open chip space for CNC routing acrylic and other compatible plastics. This 3.175×2.0x5 mm carbide cutter combines a common 3.175 mm shank with a 2 mm cutting diameter and a short 5 mm flute. The single cutting edge helps evacuate chips, reducing recutting and heat that can melt acrylic or leave an uneven edge.
Acrylic CNC Router Applications
The 2 mm diameter can follow detailed contours, lettering, narrow slots and small-radius corners. A short 5 mm flute supports shallow profile work in signs, display components, plastic fixtures and prototype parts. The tool can also be considered for compatible PVC, ABS or other non-metal sheets after a suitable test cut confirms chip formation and finish.
- Acrylic letters, signs and display components
- Narrow slots, grooves and detailed contours
- Small plastic fixtures and prototype parts
- Compatible PVC and non-metal sheet routing
Setup for Clean Plastic Cutting
Clean the 3.175 mm collet, check spindle runout and clamp enough of the shank for stable rotation without covering the flute. Keep tool projection short and secure the sheet so it cannot lift or vibrate. Begin with a light step-down and suitable entry strategy, then adjust feed rate and spindle speed after inspecting the chips and cut edge.
A healthy acrylic cut should produce visible chips instead of melted strings or powder. If plastic welds to the cutting edge, improve chip evacuation and review the feed-to-speed balance. Avoid dwelling in one place, and keep the cutter sharp. Small tools can break if the programmed load, plunge or direction change is too aggressive.
Selecting One Flute Spiral Bits
Before ordering one flute spiral bits, confirm shank diameter, cutting diameter, flute length, overall length and cutting direction. Check that slot width, corner radius and depth match the 2 mm diameter and 5 mm flute. Plastic grade, sheet thickness, desired finish and machine rigidity also influence the correct tool and parameters.
JEEFOO Acrylic Tools from Guangzhou, China
JEEFOO supplies carbide CNC router bits from Guangzhou, China for distributors, manufacturers and sign-making users. Sharing the plastic type, machine, collet size and required cutting depth helps the team recommend a suitable tool. Browse more product specifications and application information on the JEEFOO cutting tools website.
For general background on computer-controlled routing, see the reference about numerical control. Record successful feeds, speeds, step-down and tool numbers with the job file so repeat production begins from verified settings.
Frequently Asked Questions
What do 3.175×2.0x5 dimensions mean?
They commonly identify a 3.175 mm shank, a 2 mm cutting diameter and a 5 mm flute length. Confirm the full product drawing because dimension conventions can vary.
Can this bit cut acrylic without melting?
Yes, when chip evacuation, feed rate, spindle speed and step-down are suitable. A sharp tool should form chips and move them away from the cutting zone.
How can breakage be reduced?
Minimize runout and stick-out, avoid aggressive plunges, use light passes and keep chips clear. Correctly applied one flute spiral bits can deliver clean details and predictable tool life.
Production and Ordering Checks
Make a short test cut in the actual sheet before a full production run. Inspect chip shape, edge finish, cutting sound and tool loading. Verify the 5 mm flute is sufficient for the planned depth. These checks reduce scrap and make replacement-tool orders more reliable.
Function: spiral router bit is perfect for cutting mortises. The up-cut design helps keep the mortise clear of chips and shavings while you cut. Available in high speed steel and solid carbide.
1,Application:AcrylicNylon,ABS,PE,Acetal,PET,HDPE ,UHMW,Ploycarbonates ,polypropykene,wood ,MDF,Alumium
2, Endurable with long life working
3 ,Good quality and competitive price
4 ,High precision
5,Size:3.175×2.0x5



