There is only really one bit that you would want to attempt on plastics and that is the 1 flute up cut. Also know and single or “O” flute, the one toothed up cutter allows for maximum chip ejection compared to any other bit and generates the least amount of heat. The combination of the two means that when cutting plastics, you avoid the nasty occurrence of “chip rewelding” where plastic upon cutting heats up to the point it solidifies behind the cutter, rather than ejecting nicely. As these bits are purposely aggressive, using these bits on laminated woods like ply or softwoods would tear up your material and leave a heavily burred finished.
Suitable for
- Plastics (ABS, acrylic, HPDE etc)
- Wood (MDF, hardwood)
Adam’s Tips
To reduce rewelding, ensure your bit doesn’t heat up by driving your feed rate high and router RPM low.
| Feeds and Speeds - 1 Flute for Plastics mm per minute |
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| Plastics/Wood | |||
| Item Code | Description | Soft | Hard |
| 0.8-3.175-SP-1F-3 | 0.8mm x 3.175mm x 3mm 1F | 650 | 350 |
| 1-3.175-SP-1F-4 | 1mm x 3.175mm x 4mm 1F | 800 | 400 |
| 1.5-1/8-SP-1F-6 | 1.5mm x 3.175mm x 6mm 1F | 1,250 | 650 |
| 2-1/8-SP-1F-8 | 2mm x 3.175mm x 8mm 1F | 1,700 | 850 |
| 2-1/8-SP-1F-12 | 2mm x 3.175mm x 12mm 1F | 1,450 | 750 |
| 2.5-1/8-SP-1F-12 | 2.5mm x 3.175mm x 12mm 1F | 2,050 | 1,050 |
| 1/8-1/8-SP-1F-12 | 3.175mm x 3.175mm x 12mm 1F | 3,050 | 1,550 |
| 1/8-1/8-SP-1F-17 | 3.175mm x 3.175mm x 17mm 1F | 2,450 | 1,250 |
| 1/8-1/8-SP-1F-22 | 3.175mm x 3.175mm x 22mm 1F | 1,950 | 1,000 |
| 4-4-SP-1F-17 | 4mm x 4mm x 17mm 1F | 3,800 | 1,900 |
| 4-4-SP-1F-22 | 4mm x 4mm x 22mm 1F | 3,000 | 1,500 |
| 6-6-SP-1F-17 | 6mm x 6mm x 17mm 1F | 9,350 | 4,700 |
| 6-6-SP-1F-22 | 6mm x 6mm x 22mm 1F | 7,500 | 3,750 |
| 6-6-SP-1F-32 | 6mm x 6mm x 32mm 1F | 4,800 | 2,400 |
| 6-6-SP-1F-52 | 6mm x 6mm x 52mm 1F | 1,950 | 1,000 |
| 3.175-6.35-SP-1F-17 | 3.175mm x 6.35mm x 17mm 1F | 2,450 | 1,250 |
| 4-6.35-SP-1F-22 | 4mm x 6.35mm x 22mm 1F | 3,000 | 1,500 |
| 6.35-6.35-SP-1F-22 | 6.35mm x 6.35mm x 22mm 1F | 8,650 | 4,350 |
| 8-8-SP-1F-22 | 8mm x 8mm x 22mm 1F | 16,550 | 8,300 |
| 10-10-SP-1F-22 | 10mm x 10mm x 22mm 1F | 34,300 | 17,150 |
| 12-12-SP-1F-32 | 12mm x 12mm x 32mm 1F | 43,650 | 21,850 |
| Revolutions per minute 16,000RPM | |||
| 100% width per cut slotting | |||
| Depth per cut Diameter x 1 | |||
70 Reviews Hide Reviews Show Reviews
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Cuts Acrylic Like Butter
I recently purchased on on these bits because I stupidly broke what I was going to use on a project. The bit arrived in two business days and I must say it cuts like a dream. The edges are not quite laser polished quality, but the cutter did a brilliant job. Remember spindle as slow as you can go (12000 for me) and feed rate 1200mm/m. Looking for a chipload around 0.1. Great bit. If you are cutting acrylic, get one of these.
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endmill
good
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upcut endmill
Nice clean cuts - I just need to get more patient with the 1mm ones
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Sharp & Great Chip Removal
Great end mill for plastics leaving great finish even when surfacing recessed edges for projects
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1 FLUTE UP CUT CARBIDE END MILL (FOR PLASTICS)
Good gear!
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Great Product
I had an immediate use for this bit to cut some acrylic. It worked an absolute treat. Highly recommend
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1 flute cutters
Using a 6mm and a 12mm in HDPE Results are amazing to say the least. Follow Adam’s advice slow the speed and up the feed and they hog like a dream. Highly recommend!!
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Best bit for the job
Can’t fault these bits. Quality shows
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CNC Bit
Using this bit on acrylic sheet is great, it gives a really good finish even down to detail shapes and parts, I'm using a cutting speed of 300mm/min for the 2mm bit, highly recommend this bit.
