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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Drill chuck for >.020 drill bit
I have a requirement to drill brass set screws with a 1/64 drill bit. For
this, I use my lathe and hold the bit in a pin vice in the drill chuck. For convenience, I would rather grip the bit directly in a drill chuck. Therefore, I ordered a LFA chuck, model 81, which lists as having a capacity of 0 - .250. However, this chuck will NOT tighten up to the 1/64 bit, but it does clamp down to about .020. This chuck was about 35 dollars US... are there any other chucks in this price range which will tighten up right down to about .010? Thanks in advance, RB |
#2
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Drill chuck for >.020 drill bit
Ryan wrote: I have a requirement to drill brass set screws with a 1/64 drill bit. For this, I use my lathe and hold the bit in a pin vice in the drill chuck. For convenience, I would rather grip the bit directly in a drill chuck. Therefore, I ordered a LFA chuck, model 81, which lists as having a capacity of 0 - .250. However, this chuck will NOT tighten up to the 1/64 bit, but it does clamp down to about .020. This chuck was about 35 dollars US... are there any other chucks in this price range which will tighten up right down to about .010? Thanks in advance, RB Why not return that chuck you bought, get your money back (and if you bitch enough about the incorrect specs, maybe they'll give back the shipping both ways too.) and pick up a little "reducer chuck" like this one: http://www.dxmarket.com/micromark/products/60301.html I'm not sure what you meant by "convenience", but one of those reducer chucks with a 1/64" drill in it might be easier to grab in your regular chuck than a pin vise. IMHO it'd be easier to find and stick that assembly in your regular chuck than scratching around trying to pick up just the tiny drill. I'm having trouble spotting things that thin these days, without resorting to a headband magnifier. FWIW. the protrusion of the drill bit would repeat pretty well if you bottomed out the reducer chuck against the jaws of your regular chuck, if that's any help to you. Goof luck, Jeff -- Jeff Wisnia (W1BSV + Brass Rat '57 EE) "I before E except after C"....(The height of insufficient weird ancient science...) |
#3
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Drill chuck for >.020 drill bit
Jeff Wisnia wrote:
Ryan wrote: I have a requirement to drill brass set screws with a 1/64 drill bit. For this, I use my lathe and hold the bit in a pin vice in the drill chuck. For convenience, I would rather grip the bit directly in a drill chuck. Therefore, I ordered a LFA chuck, model 81, which lists as having a capacity of 0 - .250. However, this chuck will NOT tighten up to the 1/64 bit, but it does clamp down to about .020. This chuck was about 35 dollars US... are there any other chucks in this price range which will tighten up right down to about .010? Thanks in advance, RB Why not return that chuck you bought, get your money back (and if you bitch enough about the incorrect specs, maybe they'll give back the shipping both ways too.) and pick up a little "reducer chuck" like this one: http://www.dxmarket.com/micromark/products/60301.html I'm not sure what you meant by "convenience", but one of those reducer chucks with a 1/64" drill in it might be easier to grab in your regular chuck than a pin vise. IMHO it'd be easier to find and stick that assembly in your regular chuck than scratching around trying to pick up just the tiny drill. I'm having trouble spotting things that thin these days, without resorting to a headband magnifier. FWIW. the protrusion of the drill bit would repeat pretty well if you bottomed out the reducer chuck against the jaws of your regular chuck, if that's any help to you. Goof luck, Jeff -- Jeff Wisnia (W1BSV + Brass Rat '57 EE) "I before E except after C"....(The height of insufficient weird ancient science...) Why not just get an Albrecht and be done with it? You are not likely to get anything other than a POS for $35. Or maybe a Rohm or Jacobs. michael |
#4
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Drill chuck for >.020 drill bit
I have a requirement to drill brass set screws with a 1/64 drill bit.
Jacobs makes a nice Keyed drill chuck with a MT0 arbor that will do the job. I think its a 5/32 chuck. They are frequently on sale for about $45. It is a very short chuck which was really nice when I used it on my sherline mill. A 1/8 Albright is good too, but its about twice as long and costs over twice as much. |
#5
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Drill chuck for >.020 drill bit
Hi,
What you need is a wire gauge drill chuck. McMaster Carr has them. Wire Gauge Drill Chuck part# 30505A5 5.97USD These work great and have a 1/8" shaft, I won't tell you what my wife said it looked like when she saw it. I used to use these for dilling printed circuit boards. But as luck would have it my craftsman 1hp 15" Drill press with 5/8 chuck works great all the way down to .012, perhaps smaller but I haven't bothered to try. You could also just buy 1/8" shank bits, but they are costly and might not be easy to get, though McMaster Carr has them listed as PCB dtill bits. They are usually very brittle, so be wary. Good luck Op "Ryan" email - wrote in message ... I have a requirement to drill brass set screws with a 1/64 drill bit. For this, I use my lathe and hold the bit in a pin vice in the drill chuck. For convenience, I would rather grip the bit directly in a drill chuck. Therefore, I ordered a LFA chuck, model 81, which lists as having a capacity of 0 - .250. However, this chuck will NOT tighten up to the 1/64 bit, but it does clamp down to about .020. This chuck was about 35 dollars US... are there any other chucks in this price range which will tighten up right down to about .010? Thanks in advance, RB |
#6
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Drill chuck for >.020 drill bit
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#8
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Drill chuck for >.020 drill bit
You need a collet.
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#9
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Drill chuck for >.020 drill bit
"Charles A. Sherwood" wrote in message
... I have a requirement to drill brass set screws with a 1/64 drill bit. Jacobs makes a nice Keyed drill chuck with a MT0 arbor that will do the job. I think its a 5/32 chuck. They are frequently on sale for about $45. It is a very short chuck which was really nice when I used it on my sherline mill. A 1/8 Albright is good too, but its about twice as long and costs over twice as much. I second that. I have Jacobs #0. Great little chuck. Have it on the handpiece of my flexible shaft machine. Routinely use drills down to #87 (0.010) the smallest drill I have. No appreciable runout. Boris -- ------------------------------------- Boris Beizer Ph.D. Seminars and Consulting 1232 Glenbrook Road on Software Testing and Huntingdon Valley, PA 19006 Quality Assurance TEL: 215-572-5580 FAX: 215-886-0144 ------------------------------------------ |
#10
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Drill chuck for >.020 drill bit
The smallest Jacobs in my catalog is a Chuck model '0', with a chuck mount
0JT, sleeve finish is smooth, priced at $68 US, from KBC tools. If that sounds like the one you are referring to, then I will see what some of the other stores sell it for. Thanks, RB "Boris Beizer" wrote in message nk.net... "Charles A. Sherwood" wrote in message ... I have a requirement to drill brass set screws with a 1/64 drill bit. Jacobs makes a nice Keyed drill chuck with a MT0 arbor that will do the job. I think its a 5/32 chuck. They are frequently on sale for about $45. It is a very short chuck which was really nice when I used it on my sherline mill. A 1/8 Albright is good too, but its about twice as long and costs over twice as much. I second that. I have Jacobs #0. Great little chuck. Have it on the handpiece of my flexible shaft machine. Routinely use drills down to #87 (0.010) the smallest drill I have. No appreciable runout. Boris -- ------------------------------------- Boris Beizer Ph.D. Seminars and Consulting 1232 Glenbrook Road on Software Testing and Huntingdon Valley, PA 19006 Quality Assurance TEL: 215-572-5580 FAX: 215-886-0144 ------------------------------------------ |
#11
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Drill chuck for >.020 drill bit
"Ryan" wrote in message news The smallest Jacobs in my catalog is a Chuck model '0', with a chuck mount 0JT, sleeve finish is smooth, priced at $68 US, from KBC tools. If that sounds like the one you are referring to, then I will see what some of the other stores sell it for. That sure sounds like the right one. There must be far cheaper places to buy it. I bought the entire handpiece, including the chuck for about that price. The handpiece has triple ball bearings and is not trivial. I should think you could find that chuch for about$35 or so. KBC has lots of stuff, but they're not the cheapest around. Boris -- ------------------------------------- Boris Beizer Ph.D. Seminars and Consulting 1232 Glenbrook Road on Software Testing and Huntingdon Valley, PA 19006 Quality Assurance TEL: 215-572-5580 FAX: 215-886-0144 ------------------------------------------ |
#12
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Drill chuck for >.020 drill bit
On Wed, 06 Aug 2003 18:16:53 GMT, "Ryan"
wrote: The smallest Jacobs in my catalog is a Chuck model '0', with a chuck mount 0JT, sleeve finish is smooth, priced at $68 US, from KBC tools. If that sounds like the one you are referring to, then I will see what some of the other stores sell it for. Got mine (used) for $5 one saturday morning a couple years ago, the same as I paid for the #34 a couple years before that. Gerry :-)} London, Canada |
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