Burr-Free Acrylic Engraving Bit – 3.175×1.0x4 AAA Guide
The burr-free acrylic engraving bit in 3.175×1.0x4 AAA size from JEEFOO in Guangzhou, China are compact single-flute CNC cutting tools for engraving, fine profiling and narrow grooves in acrylic, PVC, MDF, double-color sheet, plywood, selected wood and compatible plastics. A 1 mm cutting diameter supports detailed paths, while the open spiral flute provides space for chip evacuation.
Product specifications
- Shank diameter: 3.175 mm
- Cutting diameter: 1.0 mm
- Cutting length: 4 mm
- Geometry: one spiral flute
- Material: wear-resistant tungsten carbide
Applications for fine CNC work
- Small lettering and detailed sign engraving
- Narrow grooves in acrylic and PVC sheet
- Fine profiles in MDF, plywood and double-color board
- Precision trimming of compatible plastic components
Why use one spiral flute?
A single cutting edge leaves a relatively large flute space for chips. Efficient evacuation helps reduce recutting, rubbing and heat, especially in plastics. Because the cutting diameter is only 1 mm, stable clamping, low runout and controlled engagement are important. Avoid heavy full-width cuts that can deflect or overload the tool.
CNC setup guidance
Clean the collet and 3.175 mm shank before installation. Keep overhang as short as the required reach permits, secure the workpiece and verify clearance around clamps. Begin with conservative spindle speed, feed and depth per pass. Observe chip shape, sound, spindle load and surface quality before adjusting parameters.
Use dust extraction or a machine-approved air system to remove chips. When cutting acrylic or PVC, maintain a feed that creates chips instead of melted residue. When machining wood products, good extraction reduces recutting and keeps the narrow flute clear. Always test a new material on scrap before production.
Tool care and ordering checks
Confirm the shank, cutting diameter, cutting length and overall reach before ordering. After use, remove debris and inspect the edge under good light. Stop if the tool is chipped, bent or producing abnormal vibration. Record successful parameters for repeat work rather than relying on settings from a larger cutter.
JEEFOO manufacturing in Guangzhou, China
JEEFOO supplies CNC router and engraving tools from Guangzhou, China, for sign makers, workshops, distributors and machine users. Standard or customized dimensions can be reviewed according to material, machine and application. Browse more JEEFOO CNC cutting tools or review general router machining information when planning a new process.
Frequently asked questions
What does 3.175×1.0x4 mean?
It identifies a 3.175 mm shank, 1.0 mm cutting diameter and 4 mm cutting length.
Which materials are suitable?
Acrylic, PVC, MDF, double-color sheet, plywood and selected plastics or wood products are typical after a cutting test.
Can JEEFOO provide another size?
Yes. Provide the material, machine, required dimensions and quantity for technical review.
Carbide CNC Router Bits Single Flute Tools,One flute spiral bits AAA series
1.Application:
The Burr-Free Acrylic Engraving Bit is a key tool for achieving high-quality finishes.
1)Suitable for down milling,up milling,side milling,slotting and so on.
2)Acrylic ,PVC ,ABS ,Aluminum plastic pate , cork ,and some soft materials
2. Features:
Burr-Free Acrylic Engraving Bit: Key Features
1) Adopt best quality tungsten steel , high precision grind by imported machine tools;
2) Unique finish polish, sharp cutting edge;
3) High durability, not easy to break;
4) Combine single-edge excellent removing and spiral cutting, can greatly increase cutting speed while ensuring quality.
5)Size:3.175×1.0x4 (AAA series)
