KnKut Jeu de 5 mèches en acier dur à pointe de carbure

Brand:KnKut

2.6/5

126.46

Ce foret peut être utilisé pour percer des goujons cassés, des boulons à ressort, des sections de matrice, des sorties faciles cassées, des métaux très résistants, des métaux exotiques, des tambours de frein et des robinets cassés. Les tailles incluent 1/8", 3/16", 1/4", 5/16" x 4", 3/8" x 4".

L'huile de coupe doit être utilisée. Pression élevée et bas régime recommandés. Ne pas utiliser en production en raison de la pointe de coupe en carbure surdimensionnée. L'ensemble comprend 1 pièce de chaque 1/8, 3/16, 1/4, 5/16x 4, 3/8 x 4. Fabriqué aux États-Unis.
Batteries Included? ‎No
Batteries Required? ‎No
Brand KnKut
Brand ‎KnKut
Customer Reviews 3.6 3.6 out of 5 stars 6 ratings 3.6 out of 5 stars
Is Discontinued By Manufacturer ‎No
Item Dimensions LxWxH 5.5 x 4.13 x 0.75 inches
Item Dimensions LxWxH ‎5.5 x 4.13 x 0.75 inches
Item model number ‎5KK9
Item Package Quantity ‎1
Item Weight ‎0.16 ounces
Manufacturer ‎KnKut Performance
Material Carbide
Material ‎Carbide
Measurement System ‎US
Part Number ‎5KK9
Product Dimensions ‎5.5 x 4.13 x 0.75 inches
Shank Type Straight
Shank Type ‎Straight
Surface Recommendation ‎Alloy Steel
Tool Flute Type Straight
Tool Flute Type ‎Straight
Warranty Description ‎6 mon warranty on material and workmanship

2.6

5 Review
5 Star
24
4 Star
31
3 Star
21
2 Star
24
1 Star
0

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Scritto da: James Murad
Do not use these in a free hand drill. Drill press only!
The description says you can use in a regular drill but they will snap in a hurry. They work great in a stable drill press. I was drilling a grade 8 bolt out of a trailer hitch and snapped 3 of the 5 bits in the set. When they were cutting. they cut fast.
Scritto da: Amazon Customer
Returning This Set for a Replacement
I ordered a replacement set and am returning this set, because one of the drills (the 3/8s) has some dark spots and streaks that I am concerned might be corrosion. I used a penny that I had on hand to pry each drill out its cutout in the black foam liner. The fit of each of the drills in the foam liner is tight, and the smaller diameter drills fit deeply in the liner. Sizes are marked on the shanks of the four larger drills along with "USA," but I cannot see the sizes to read them while the drills are in the foam liner. I did not find any markings on the smallest drill, probably because its shank is too thin for markings. The drill sizes are not marked on the case, which is metal. There are tool marks in the flutes of the drills. The marks are especially noticeable in the larger sizes. I do not see any issues with the business end (i.e., the tips) of the drills. However, not having used the drills, I cannot comment on their effectiveness.
Scritto da: Joe Fodor
Could not drill into a stud…
This was my last resort after my cobalt bits failed.
Scritto da: Donald
Just what I needed for the job
I liked the bits I used it remove a broken tap
Scritto da: Nortrax3
Awesome product !
The manufacturer claims that these bits will drill through hardened steel, including broken off easy outs.. I have a set, and I will tell you that the claim is 100% accurate.. I just wish they sold these individually.. I primarily use the size in the middle and I have completely wore it out.. Cconsidering the aggravation of trying to work through broken off taps and easy outs, I suppose it is worth the price for the whole set even though I only need one of the bits !

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