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Urbju America 25 gabalu metriskā kobalta urbju komplekts apaļā korpusā, izturīgs, zelta oksīda apdare metāla, koka, plastmasas urbšanai, izmēri no 1 mm līdz 13 mm x 0,5 mm, DWDCO sērijas ZMD/A4025-CO-PC

Brand:Drill America

3.5/5

€
209.30

PAR DRILL AMERICA: Drill America specializējas rūpniecisko un darbuzņēmēju griezējinstrumentu pilnas līnijas piegādē kopš 1923. gada; Mūsu produktu klāstā ietilpst urbji, krāni un presformas, rīvmašīnas, gala frēzes, karbīda urbji, iegremdētāji un daudz kas cits. IEKĻAUTI METRISKIE IZMĒRI: Pilns 25 gab urbju komplekts ir aprīkots ar plastmasas glabāšanas turētāju, un tajā ir iekļauti metriskie izmēri no 1 mm līdz 13 mm x 0,5 mm. 135 GRĀDU GRIEŠANAS LEŅĶIS: Jobber garuma urbjiem ir 135 grādu šķelšanās punkts pašcentrēšanai, ātrai iespiešanai un precīzai urbšanai. LABĀKIE IZMANTOJUMI: m35 5% kobalta urbji ir efektīvi, urbjot izturīgus, augstas stiepes izturības materiālus, piemēram, Inconel, nerūsējošo tēraudu un titānu, kā arī koku, plastmasu un citus cietos metālus. LIELĀKA ĀTRUMA URBJS: Ražots saskaņā ar Nacionālo aviācijas un kosmosa standartu 907 un izgatavots no karstumizturīga kobalta, šiem urbjiem ir augstāka sarkanā cietība, kas nodrošina ātrumu līdz pat 30% lielāku nekā ātrgaitas tērauda urbjmašīnas.

Summa
Pievienot grozamPērc tagad

EAN: 0887861316606

Kategorijas Elektroinstrumenti un rokas darbarīki, Elektroinstrumentu daļas un piederumi, Elektrourbju daļas un piederumi, Frezas konusveida zobu frēzēm, urbji Uzgaļi, Jobber urbji,

PAR DRILL AMERICA: Drill America specializējas rūpniecisko un darbuzņēmēju griezējinstrumentu pilnas līnijas piegādē kopš 1923. gada; Mūsu produktu klāstā ietilpst urbji, krāni un presformas, rīvmašīnas, gala frēzes, karbīda urbji, iegremdētāji un daudz kas cits. IEKĻAUTI METRISKIE IZMĒRI: Pilns 25 gab urbju komplekts ir aprīkots ar plastmasas glabāšanas turētāju, un tajā ir iekļauti metriskie izmēri no 1 mm līdz 13 mm x 0,5 mm. 135 GRĀDU GRIEŠANAS LEŅĶIS: Jobber garuma urbjiem ir 135 grādu šķelšanās punkts pašcentrēšanai, ātrai iespiešanai un precīzai urbšanai. LABĀKIE IZMANTOJUMI: m35 5% kobalta urbji ir efektīvi, urbjot izturīgus, augstas stiepes izturības materiālus, piemēram, Inconel, nerūsējošo tēraudu un titānu, kā arī koku, plastmasu un citus cietos metālus. LIELĀKA ĀTRUMA URBJS: Ražots saskaņā ar Nacionālo aviācijas un kosmosa standartu 907 un izgatavots no karstumizturīga kobalta, šiem urbjiem ir augstāka sarkanā cietība, kas nodrošina ātrumu līdz pat 30% lielāku nekā ātrgaitas tērauda urbjmašīnas.
Item model number ZMD/A4025-CO-PC
Manufacturer Drill America
Package Dimensions 8.7 x 4.88 x 3.82 inches; 2.78 Pounds

3.5

13 Review
5 Star
74
4 Star
12
3 Star
6
2 Star
2
1 Star
6

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Scritto da: Mark
A MUST PURCHASE. ALL OTHERS SUBPAR
For years I purchased the titanium bits from Lowe’s. I always hated to do any drilling in any type steel. Well I discovered why the titanium bits suck. I bought these as I had 1/4” hardened steel to drill through (8 - 12 holes to be exact and wanted to make the job tolerable. So happy I purchased these bits. Cost a bit more then titanium bits but made the job so easy. These bits cut through steel like butter on the very first drill to tha last. The 12th hole was just as easy as the 1st. These hold their sharpness and wished I’d known about these years ago. Don’t second guess this purchase just Do it. You will never go back to a Lowes brand bit.
Scritto da: William I.
Well- you might get one good use out of it- one time only
The 9/64ths didn't make it as a pilot hole drill...LOL.... Most of the other drills work- but get dull after the first use. 73.00....wow, cheaper to buy Harbor Freight a few times.
Scritto da: Tim Hamilton
very good drill bits
great drill bits very strong and sharp, very durable
Scritto da: Kelli McClain
Hubby gifted his brand new drill bit set to his nephew and I reordered a new set ASAP!!
Ordered for my husband, he doesn't really say alot about his tools, especially if he likes them. You don't want to be around to hear if he hates them! These must be great since he gifted them to his nephew and had me order another set ASAP!
Scritto da: Patrick C.
Good for the price
I already have a complete (115 pc) set of Chicago-Latrobe 550, which are also Cobalt, 135 deg, split-point, straw-finished bits. I bought the Drill America bits as a lower-cost complement for work where I want the extra hardness, heat resistance, and sharpenability (more on this below) of Cobalt but don't want to risk breaking my good bits. The bottom line is that while the Drill America bits aren't up to the level of the 550s, they're as good as or better than expected for the price. I've used onee of these bits top drill holes in annealed O1 tool steel plate, and it held up as well as you'd expect from Cobalt HSS, though maybe a little worse than I'd expect from the C-Ls. The C-L 550s are M42 Cobalt HSS, and it would be interesting to know if these are M42 or M35 - I suspect the latter. Where the Drill Americas come up a bit short is in quality/precision of grinding, with two noticeable issues: The trailing face of a split-point bit should ideally meet the cutting edge at a point, though in reality all manufacturers leave a tiny chisel point to allow for machining tolerances (i.e. the split doesn't quite intersect the cutting edge). Those residual chisel points are noticeably (50-100%) larger on the Drill America bits than on the Chicago-Latrobes, though both are MUCH smaller than the chisel point on a conventional bit, and both are small enough to avoid wandering. A more serious issue is that a couple of the smaller bits are mis-ground such that the trailing edge of the splitting edge is almost on top of the bit's cutting edge, leaving a very thin flute. Both of the grinding issues are foregivable in my opinion both because of the low cost of the bits, and because the key benefits of cobalt bits is that they derive their hardness from bulk material properties rather than from a coating (oxide, TiN, TiAlN, etc). You can grind them over and over and they remain as durable as when new. If you have a Drill Doctor or drill-bit grinding fixture that can do split points then these are a no-brainer.
Scritto da: Cyndy Brand
A decent but for the price.
The bits seem to have a very soft shank so any slippage in the chuck will gouge the shank.
Scritto da: Richard Moorman
These bits are American made. They are good.
Not wild about the container they come in.
Scritto da: Kevin Potts
Good bits
So far they seem to be a good set of bits....nice and sharp. Still too early for me to give them a rating on durability though. Will see how they hold up over the next few months. My only complaint as of now is the barely readable bit size numbers that are on the top. I like the case they come in, but the black plastic with slightly raised black numbers is very difficult to read. Have to turn them into the light just right in order to do so. I deducted 1 start from the rating because of this. I was able to fix this issue significantly by applying a thin coat of white primer to the top. Made the numbers much more legible.
Scritto da: Cliff
Don't bother Looking any further for other drill bits. Get these.
Look no further! If you are thinking about buying these, don't hesitate. You cannot ask for more out of these drill bits, long lasting and the carrying case is super convenient. I wished the marking of the size of the bits could be a little bit more visible, but that's nitpicking. Easy for the manufacturer to improve on the next iteration that comes out.
Scritto da: Emil Shekhter
Not a professional set.
Not a set you want to have if you working with stainless. Drill bits need to be reshaped often. (Cutting fluid been used) Not recommended
Scritto da: Tom Sawyer
Best drill bits I have ever bought
Those are the best drill bits I have ever bought so far. They cut through metal and hold their sharpness
Scritto da: DLA
Faulty 3/8" bit.
I received this Cobalt bit set yesterday. The first bit I used was the 3/8" and using my drill press unsuccessfuly attempted to drill through 1/8" thick ordinary steel. Would hardly scratch surface. Next bit size up (25/64) went through very easily. 3/8" bit must be faulty or perhaps had already been used? I would be happy with a replacement bit but apparently there is no way to contact seller directly and appears I would be responsible for any return postage. I am not happy.
Scritto da: Steven Meldrum
Decent. So far they work well. Stickers on ...
Decent. So far they work well. Stickers on case are amusing. Rust proof case. The case is plastic so I hope it doesn't rust.

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