Chicago Latrobe 769 massivt hårdmetal bor med kort længde, ubelagt (lys) finish, rund skaft, lige fløjte, 140 graders konverteringsspids, 1/8 størrelse 1/8 tommer

Brand:Chicago Latrobe

3.5/5

kr
391.42

Chicago-Latrobe 769-seriens lige rillede bor er lavet af hårdmetal med en ubelagt (lys) finish og har en 140 graders 4-facet spids, der kan penetrere uden et pilothul og reducere tilstopning på støbejern og ikke-jernholdige og hærdede materialer. Lige riller borer lavvandede og vandrette huller. Fast hårdmetal er hårdere end højhastigheds- eller koboltstål for at give bedre slidstyrke og forlænge værktøjets levetid ved høje hastigheder. Den ubehandlede finish giver en ubehandlet overflade. Den selvcentrerende 140-graders 4-facetspids giver styrke og høj nøjagtighed til at trænge igennem materiale lettere end en konventionel spids og producerer små spåner for at reducere tilstopning. Det runde skaft rummer de fleste borepatroner. Bor er skærende værktøjer, der bruges til at lave huller i en række materialer ved hjælp af maskiner såsom håndholdte bærbare bor, bearbejdningscentre og drejebænke. Materialet, der bores sammen med den påtænkte boredybde, bestemmer længden og stilen på boret, der skal bruges. Chicago-Latrobe fremstiller bor og tilbehør, oprømmere, forsænkninger og emner. Virksomheden, der blev grundlagt i 1890 og har hovedkontor i Clemson, SC, opfylder International Organization for Standardization (ISO) standard 9001.

Ingen tilgængelige enheder
Lavet i USA. Rundt skaft rummer de fleste borepatroner. Selvcentrerende 140-graders 4-facetspids giver styrke og høj nøjagtighed til at trænge igennem materiale lettere end en konventionel spids og producerer små spåner for at reducere tilstopning. Ubelagt (lys) finish er en ubehandlet overflade, der kan bruges på en række materialer. Karbid modstår slid bedre end højhastigheds- eller koboltstål og modstår høje hastigheder. Lige riller borer lavvandede og vandrette huller i støbejern og ikke-jernholdige og hærdede materialer.
Cutting Angle String 140 Degrees
Cutting Diameter 0.13 Inches
Finish Type Uncoated
Item model number 78592
Manufacturer Greenfield Industries
Material Carbide
Product Dimensions 0.3 x 3.1 x 0.5 inches; 0.32 Ounces
Shank Type Round

3.5

8 Review
5 Star
67
4 Star
21
3 Star
0
2 Star
13
1 Star
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Scritto da: Tom S.
Great bit for hard metals
I just had to drop a note to say how well this bit worked for me. I had a hardened steel shaft I was trying to cross drill that burned out or broke 3 HSS bits so I ordered this bit. Using my mini mill this bit went right through without any issues!
Scritto da: Sagittaire
Like a Hot Knife Thru Butter in General, but Fluted Bit Broke Upon First Use
This #31 bit cut through a 1/2" diameter hardened steel shaft like a hot knife through butter. I tried a cobalt drill bit first, it would hardly make a dent. Update on the 769 Latrobe Fluted Bit, Size 15/64: I have many Chicago Latrobe drill bits, and except for this one, they are fantastic. I was drilling 1/8" thick Type 316 stainless steel with this 15/64" bit in my drill press, using Anchor Lube for lubricant. The flutes broke apart after approx 5 seconds of engagement. This type of stainless is very hard, and I needed to press down moderately hard with the drill press. My other Latrobe bits are spade and twist type, not fluted like this one. They hold up really well and stay sharp for a long time. Perhaps I was pressing too hard with this one, but I will stick with spade and twist type bits in the future.
Scritto da: Joshua Lehman
Not as expected
The top label is what I ordered, the bottom label is what I received. It is still useful just not what I wanted exactly.
Scritto da: John White
Best bit ever!
This bit saved me from having to go to the machine shop. After reading reviews, I decided to purchase to drill out a broken off bolt for a valve cover on a classic car. No other bits would bite into whatever was broken off(not sure if someone broke off an extractor or ez out before I got to work on it.) this bit started to work right away, drilled through it in no time. Worth the money!!
Scritto da: john doe
sharp and ridgid
will drill through work hardened metal. straight flutes are more shatter resistant than spiral flutes. clamp work for best results and use a mill or table drill. last resort, if you must use a hand drill set on lowest speed and set torque to slip if it grabs. carbide drills will shatter if work moves or shifts while drilling. these drills will hold an edge longer than hss or cobalt but break easier.
Scritto da: john doe
sharp and ridgid
will drill through work hardened metal. straight flutes are more shatter resistant than spiral flutes. clamp work for best results and use a mill or table drill. last resort, if you must use a hand drill set on lowest speed and set torque to slip if it grabs. carbide drills will shatter if work moves or shifts while drilling. these drills will hold an edge longer than hss or cobalt but break easier.
Scritto da: PupLover
Worked when nothing else would
This is an amazing bit. Chewed right through exhaust bolts when NOTHING else would. I tried other carbide bits and they wouldn't even make a dent. This bit went right through. Don't forget to use some wd40 as not to overheat the bit and break it.
Scritto da: Stretch 406
Good deal
Good quality well made

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