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De calidad superior M2 HSS
Taladro preciso de agujeros de centro en material de torneado, o uso como un arrancador de broca para agujeros exactos en stock. Tamaños 1, 2, 3, 4 y 5, 60 ° de Los ángulos de la punta.
María lugo
Comentado en México el 17 de marzo de 2025
Muy buen producto a
Customer
Comentado en los Estados Unidos el 13 de marzo de 2023
I bought these in 2020. I assumed they would last long enough to get my $12 out of them. The only complaint after all this time and use- is the box could be better. The space above the dividers is large enough to let the 2 small sizes float around inside the box. A piece of 1/4" poly packing foam hot glued to the lid fixed that permanently. I was impressed with their appearance when they first arrived. They looked well made. They seemed sharp with good concenticity. I've since used them many many times over the 3 years I've had them. I use them in the drill press, mill, and lathe. I've used them mostly as they're intended in steel, aluminum, and some stainless, that is- as center drills. I have used them to countersink a few times in aluminum. They are still sharp and intact. With appropriate feed rate (which is SLOW at the start- let them do their thing) they don't skip or skate, even on stainless. One of the best buys I've ever made in tooling. Worth far more than the $12 I paid for them.
Tim White
Comentado en Canadá el 15 de septiembre de 2023
I tried them in both steel and hardwood and they worked great.
Mauro
Comentado en México el 5 de julio de 2022
Hasta el momento no he tenido problema, si vienen bien afiladas y vienen con su caja que hace practico el almacenamiento para que no se estén perdiendo o rompiendo
josé antonio sánchez lópez
Comentado en México el 15 de mayo de 2022
Usando las brocas con parámetros de corte correctos, las herramientas funcionan y duran lo esperado
Juan C.
Comentado en México el 18 de febrero de 2022
Llegó completo incluyendo la caja protectora. Se ven de muy buena calidad. Las probaré en próximos días.
Kevin Lloyd
Comentado en Canadá el 15 de mayo de 2021
hint for all budding machinists, CHECK WITH A FILE TO SEE HOW HARD THE END OF THE SHAFT WORKED ON. many rework parts can be a head ache! GREAT PRICE AND QUALITY!
Les W.
Comentado en los Estados Unidos el 30 de julio de 2020
As a Tool & Die Maker, I found these to be cost effective for my needs. I use them for soft materials - aluminum, plastic & wood. They work fine for these materials. I have not used them in harder materials. The plastic case is nice and the finish on the center drills is acceptable. They are sharp and have to problem starting in the materials I described. All in all, they are a decent set of center drills for the amount of money paid.
Customer
Comentado en Australia el 8 de marzo de 2020
Centre points not concentric with axis, not good quality product.
Cliente de Kindle
Comentado en México el 10 de marzo de 2019
No me entregaron la caja donde se colocan las brocas
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