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Size
- SA：Cylindricalshape【Shankdiameter:1/4 "（6.35mm）；Shank length:3.62" （92mm）；Cut head diameter:0.4" （10mm）；Cut head length:0.8" （20.5mm）；Total length:4.44" （112.9mm）】
- SF：Treeshaped radius end【Shankdiameter:1/4 "（6.35mm）；Shank length:3.6"（92mm）；Cut head diameter:0.38" （9.76mm）；Cut headlength:0.765" （19.4mm）；Total length: 4.44" （112.9mm）】
- SC：Cylindricalradius end【Shankdiameter:1/4 "（6.35mm）；Shank length:3.6"（92mm）；Cut head diameter:0.38" （9.76mm）；Cut headlength:0.765" （19.4mm）；Total length: 4.44" （112.9mm）】
- SD：Ballshape【Shankdiameter:1/4 "（6.35mm）；Shank length:4" （101.65mm）；Cut head diameter:0.394" （10mm）；Cut head length:0.394" （10mm）；Total length: 4.44" （112.9mm）】
- SL：Taper Shape with RadiusEnd 【Shankdiameter:1/4"（6.35mm）；Shank length:3.33"（84.5mm）；Cut headdiameter:0.4" （10mm）；Cut head length:1.03" （26.3mm）；Total length: 4.44" （112.9mm）】
Application
- Carbide rotary burrsset,fits most,metal working mold and pattern making,die sinking,can process avariety of high-precision mold cavity,long service life,applies in the castiron,cast steel,carbon steel,alloy steel,stainless steel,copper,aluminum,andother metals
- Carbide burrs fordie grinder drill,metal carving,drilling,cleans up welds or works with metalfrequently,welding,chamfering,casting,deburring,grinding
- Wide range of usesincludes body shops,fabrication shops,aviation industry,brake shops,industrialshops,die manufacturers, metalwork,tool making,model engineering
- Machined from new rawtungsten carbide,Unique tooth angle prevents chipping for the longest lastingdesign possible
Packaging
- With a plastic case
Tips
- 1.Make sure you get what you bought
- 2.Keep your eyes and belongings away from the working bits,better wear goggles
Kada Christensen
Reviewed in the United States on August 7, 2024
I use them for porting and polish heads and they work really good and didnt get clogged with aluminum and didnt break down after using them on cast heads. I would recommend them to anyonw and i would buy them again
Marc Southworth
Reviewed in the United States on July 14, 2024
Used these for a cast iron engine block to remove casting flash and sharp edges. Hard to find in this length. They cut through cast iron with ease. Very sharp and easy to control with my variable speed air grinder. Looks like they will last a long time. A great buy…!!
kp
Reviewed in the United States on March 2, 2024
I’m in the process of porting some cast iron cylinder heads. I recommend to anyone using a carbide burr on steel or cast iron to get a variable speed grinder. The regular air powered ones run too many rpms. This is why people complain about vibration and chipped teeth on cutters like these. One other thing, that you’ll experience is that these are 1/4” diameter shanks and a lot of the grinders have 6mm (.236) collets, which is a pain.
brian
Reviewed in the United States on December 12, 2024
I’m porting my vortex cast iron heads and the have no problem removing material from them
Martin Bullen
Reviewed in the United States on January 15, 2024
Needed extra depth to increase the size of a mortise lock recess. Worked quickly and effectively, and had the depth I needed.
Kenneth Jensen
Reviewed in the United States on December 10, 2023
Good Quality Carbide Burr with an actual 1/4" .250" diameter Shank... HOOORAYYY!!!
Victor zamora
Reviewed in the United States on January 19, 2023
I use these carbide bits for porting, they are very durable and I would really recommend them. They don’t ware out as quick as most other bits do.
John
Reviewed in the United States on August 7, 2020
Work great for my 350 SBC TBI throttle body mode. It shaved down that small wall around my throttle body. I loved it but it didn’t last long. I was able to use one of the bit once because after a few min the sharpness was gone. But I still have four more bits to go..
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