LMT Onsrud 63-768 Solid Carbide Upcut Spiral O Flute, Inch, Uncoated (Bright) Finish, 21 Degree Helix, 1 Flute, 2.0000" Overall Length, 0.1875" Cutting Diameter, 0.2500" Shank Diameter 3/16 in

Brand:LMT Onsrud

2.8/5

77.54

Soft plastic designed to provide a smooth finish in soft plastic with upward chip removal. Use for HDPE, HIPS, UHMW, ABS, polycarbonate, PE, polystyrene, polypropylene, acetal, acrylic, PET and solid surface.

No units available
Single flute, 21 degree angle. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. Round shanks allow use with a wide variety of toolholding systems. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems.
Country of Origin USA
Cutting Diameter 0.19 Inches
Cutting Length 0.63 Inches
Domestic Shipping Item can be shipped within U.S.
Finish Type Uncoated
Finish Type Uncoated (Bright)
International Shipping This item can be shipped to select countries outside of the U.S.
Item model number 63-768
Manufacturer LMT Onsrud
Material Carbide
Number of Flutes 1
Product Dimensions 4 x 0.5 x 0.5 inches; 0.8 Ounces

2.8

8 Review
5 Star
47
4 Star
18
3 Star
10
2 Star
9
1 Star
16

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Scritto da: R. A. Jones
Nice cutter, shank is 1/4" despite the title and photo.
The title is a bit off because it says the shank is 0.125" when the specs say the shank is 1/4". The photo also shows a cutter with the shank diameter the same as the cutting diameter. It IS, however, 1/4" shank. I use it on a smallish CNC router with a 2hp spindle and it's worked quite well. In soft plastics like ABS I initially had the chip winding around the shank, melting and make a truly horrible cut. I built a new dust shoe to dramatically increase the air velocity around the cutter and with that dust shoe to keep the chips clear this cutter has worked very well.
Scritto da: Mississippi
Good bit
Nothing wrong with this one
Scritto da: Paul Haiducu
Arrived damaged!
I am not an expert in this, but the shop teacher I have worked with to drill holes in an aluminum plate tells me that the bit is damaged and cannot be used. Unfortunately, we have not carefully looked at the bit when it arrived (ordered on May 23, 2019), hence it is too late to return it or exchange it. It took the teacher a while to find time for the project I wanted done (we had the summer off, traveling, etc.). Yesterday, he realized that the bit is no good. The bit has not been used (and the shop teacher tells me that is obvious). These are not cheap, I am out almost $30.
Scritto da: Andrew D. Mowry
The description for this is incorrect. The 1/8” bit ...
The description for this is incorrect. The 1/8” bit has a 1/4” shank, not 1/8” as described and shown in the photo.
Scritto da: Seein Stripes
Great for HDPE on Bob's CNC E3
I now have about 20+ hours on the bit cutting and drilling .375" Starboard HDPE. I can say it is RAZOR sharp since it sliced my finger like a scalpel trying to remove some plastic shavings from around the bit. Runs straight and true at 45 ipm on my Bob's CNC machine.
Scritto da: Gary
This is the best bit I ever used on this material
I cut an aluminum composite material with this bit. The material is 2 aluminum skins bonded to a plastic center. This is the best bit I ever used on this material, a very clean, effortless cut.
Scritto da: Eric Varsanyi
Great cutter, clean edges on acrylic
This cuts acrylic like butter and leaves a very nice edge. I'm running a router at 18000 RPM with a feed rate of around 70 IPM and .06 depth cuts in cast acrylic.
Scritto da: bookbound93
Not 1/8 shank
Nice cutter, but needed a 1/8 shank and this is a 1/4 shank. Not happy.

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