„Drill America“ 3,30 mm greitaeigis plieninis grąžtas (12 vnt. pakuotėje), DWDMM serija

Brand:Drill America

3.5/5

40.72

Drill America black oxide serijos greitaeigis grąžtas yra patikimas, bendrosios paskirties grąžtas, skirtas dirbti su įvairiomis geležies ir plieno šeimų medžiagomis. Idealiai tinka gamybos, priežiūros ar nešiojamiems gręžimo darbams. Paviršius apdorotas trinčiai atspariu juodu oksidu. Apdorojimas juodu oksidu suteikia tepimo ir įrankio paviršiuje sukuria mažas kišenes, kurios sulaiko aušinimo skystį šalia pjovimo krašto. Apvalūs kotai leidžia naudoti su plačiu var

Idealiai tinka gamybos, priežiūros ar nešiojamiems gręžimo darbams. Dirbant prieš laikrodžio rodyklę (pjovimas dešine), spiraliniai rievėtieji įrankiai pašalina drožles aukštyn ir iš pjūvio, kad sumažintų užsikimšimą. Apvalūs kotai leidžia naudoti su įvairiomis įrankių laikymo sistemomis. Juodojo oksido apdorojimas padidina sutepimą ir įrankio paviršiuje sukuria mažas kišenes, kurios sulaiko aušinimo skystį šalia pjovimo krašto. Greitaeigiai plieniniai įrankiai yra tinkami daugeliui bendrosios paskirties įrenginių, nes jie pasižymi kietumu ir atsparumu dilimui.
Brand Drill America
Cutting Diameter 3.3 Millimeters
Finish Type Black Oxide
Item model number DWDMM3.30P12
Manufacturer Drill America
Material High Speed Steel
Product Dimensions 6 x 4 x 2 inches; 1.41 Ounces
Shank Type Round

3.5

12 Review
5 Star
75
4 Star
12
3 Star
4
2 Star
2
1 Star
7

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Scritto da: Molina Fam
1st drill bit broke while drilling brass. 2nd drill accomplished the task. Glad for the extra bits.
1st drill bit broke while drilling brass with an electric hand drill. 2nd drill bit accomplished the task. Glad for the extra bits.
Scritto da: Olaf Schmied
Good and true to the size
I ordered these for drilling holes to make 3D printer filament, and they are right on size and work well. You will probably need a drill chuck, however, to make use of these in a standard drill.
Scritto da: Steven
Works
It works. I would have given it a 5 star except I had a hard time finding an adapter so I could use it in my drill. Maybe they should include a suggestion for the adapter with the bits.
Scritto da: Destiny
Great price
Exactly what it should be
Scritto da: Rilefos
Good Drills, Wrong Size
These drills are a good value for the price, and the finish and grind appears to be superb, but some are mislabeled. The outer package was labeled 4.85mm but the drills themselves were etched with #11, which is a wire gauge size. The difference is 0.19094" vs 0.1910" (4.85mm vs 4.8514mm) so it is probably insignificant for most people, but I ordered 4.85mm because I specifically wanted something slightly less than #11. Also, it has a split-point and appears to be 135 degrees, not 118 degrees. I actually prefer that type of point, so I'll keep these drills, but if these differences are important to you keep that in mind before ordering.
Scritto da: Network00
Good quality
Only had to drill one hole, it is sharp and drilled a clean hole just a few thousands over size as expected.
Scritto da: John Davidoff
Very prone to breaking
I bought 50 of these bits as I had a project that needed 400 holes drilled. They cut okay, but they are prone to snapping at the slightest load. Best used in a drill press
Scritto da: Vsevolod Ostrovskiy
Works for my application
I used #38 to open gas port. Worked without problems, did not leave burrs on inside.
Scritto da: rupert gabriel
quality drills
Drilling stainless and mild steel without a problem
Scritto da: Rosanne M.
they are nice and thin
they are nice and thin...so you have to be careful. worked through the thin piece of wood I was using (1/8")
Scritto da: Dan
As described and quick delivery
Perfect for hobbiest
Scritto da: Roscoe McLean
Five Stars
Nice and sharp, well priced

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