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NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set 15 PC TITANIUM - LEFT HAND

Brand:Neiko

3.3/5

€
69.57

The NEIKO Left-Hand Drill-Bit Set is an essential kit for anyone. Ideal for automotive or home use, these high-speed drills remove broken fasteners, screws, bolts, and studs with ease. Each angle-tipped drill bit is constructed with a twist style and a 135-degree split point for accurate self-centering. Made for fast and efficient cutting speed, our bits prevent walking to clear chips and particles extra quickly. Each bit is made of high-speed steel with a durable titanium nitride coating for ultimate corrosion resistance. This heavy-duty material offers a high surface hardness to help penetrate tough materials and reduce friction between the bit and the workpiece. The left-handed bit design is perfect for reversible drills with screw extractors, making this kit ideal for home maintenance, auto repairs, and more. Our titanium drill-bit set is available with 5, 13, or 15 standard SAE twist drills. The 5-piece SAE set is made with M35 cobalt high-speed steel, and it includes the following sizes: 5/64", 7/64", 5/32", 1/4", and 19/64". The 13-piece SAE set is made with M2 high-speed steel, and it includes the following sizes: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", and 1/4". The 15-piece SAE set is made with M2 high-speed steel, and it includes the following sizes: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 1 5/16", 1", 1 1/16", 1 1/8", and 1 1/4". Each drill-bit set comes with a metal index case for easy transportation between job locations. Each tool has an assigned hole in a drill-bit holder with size index markings for quick organization and easy storage. No matter the job, NEIKO has your back with our durable, dependable, and strong tools.

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EAN: 837013100379

Categories Power & Hand Tools, Power Tool Parts & Accessories, Power Drill Parts & Accessories, Twist Bits, Drill Bits, Jobber Drill Bits,

ALL-IN-ONE SET: This kit arrives with the drill bits arranged in a high-impact metal index storage case. Each bit has a specific size slot for quick identification and easy organization, portability, and security in your home, garage, or workshop. THE RIGHT SIZE: Our versatile left-hand drill-bit kit is available in 5-piece, 13-piece, and 15-piece SAE sets. Choose the high-speed drill-bit set that fits your screw-extractor needs. Each set makes a great addition to automotive or home tools. VERSATILE LEFT-HAND PIECES: The special left-hand design is ideal for use with reversible drills with screw extractors to remove broken fasteners, screws, bolts, and studs during home repairs, automotive garage projects, professional work, and more. QUALITY TITANIUM BITS: These drill bits are constructed of high-speed steel with a titanium nitride coating, providing a high surface hardness to help penetrate tough materials. The steel also reduces friction between the bit and the workpiece. TWIST DRILL-BIT SET: Each steel drill bit features an angled tip, a twist style, and a 135-degree split point for precise self-centering. Designed to increase cutting speed, these drill bits prevent walking to quickly clear chips and particles.
Brand Neiko
Country of Origin China
Customer Reviews 4.3 4.3 out of 5 stars 2,165 ratings 4.3 out of 5 stars
Cutting Angle String 135 Degrees
Finish Type Titanium
Is Discontinued By Manufacturer No
Item Dimensions LxWxH 14.17 x 9.06 x 7.87 inches
Item model number 10037A
Item Weight 0.01 ounces
Manufacturer Ridgerock Tools Inc.
Material Alloy Steel
Product Dimensions 14.17 x 9.06 x 7.87 inches
Shank Type Straight
Surface Recommendation Metal,Steel
Tool Flute Type Spiral

3.3

13 Review
5 Star
63
4 Star
18
3 Star
9
2 Star
4
1 Star
6

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Scritto da: Zero Signal
A great trick to have in your toolbox
If you've ever broken off a bolt below the surface, you know what your choices are: Try to tap it out with a punch, drill it out, use a bolt extractor, weld a nut onto it, etc. One that often gets overlooked is using a left hand drill bit. Since most bolts are right-hand thread, drilling with a left-hand bit does two things at once: It weakens the bolt which reduces the pressure on the outside holding it in place, and it provides a twisting force in the direction that unscrews the bolt. Often this is enough to get the bolt out by itself. If not, you either keep drilling or you use a screw extractor in the hole you just created. Very rarely do I have to go any further. This set of bits will handle small and medium-sized bolts and screws, and it does so well. The bits themselves have a tendency to get dull but they're not difficult to resharpen. Since I only drag them out when I break a bolt, they don't get a lot of use and thus last a long time. Would they survive in a machine shop? Maybe not. The metal is fairly soft and it doesn't take much to chowder up the cutting lips. But they've been in my home shop for 10 years and are still going strong. I use them sparingly, but when I need them they usually solve the problem quickly.
Scritto da: Blinds Guy
Worked
The smallest bit broke on me however the next size up did the trick in removing a broken bolt.
Scritto da: Steven Motley
Does the job
Used this to remove a broken bolt holding a strut in place. It did the job. Broke 1 drill bit during the process. But for the price have to say we'll worth it
Scritto da: J. Hoffman
Start small, use lube
These worked great. Broke a bolt off while putting a transmission back together. Started with the small bits and worked my way up in size. Did this about 3 times before the drill bit finally grabbed the bolt end and unscrewed it. My part is saved (minus a bolt). Used drill oil too keep bits from dulling. Bought the 13 piece set for nearly 1/2 the price.
Scritto da: KrakMonkE9
Godsend
I purchased these to remove some badly stripped screws, some of which had broken off heads. They worked perfectly, and efficiently drilled holes into the steel screws to permit me to insert and use some spiral flute extractors. After use, the drill bits were in great condition and showed very little wear.
Scritto da: robert jordan
good product
A good product for the cost. Worked well.
Scritto da: Gabe
Pretty good bits for the price
These bits got me out of several sticky situations with broken fasteners, i like that there is a few different sizes even tho i only use like the smaller ones for starting holes. they Dont break very easy about the only thing that would make these 5 star is coming with a lifetime warranty.
Scritto da: SiteReader
Got me out of a jam--recommended
I do most of my auto repair by myself––age 73, so no novice, but not a pro by any means. I had broken off two of the five valve cover bolts on my '02 Honda Accord while tightening down. (Watched too many videos on the subject and tried to use my 1/2-inch torque wrench, which just wasn't made for a light 7 foot-lb. setting. Next time, it's back to the old "feel" method.) These are 6 mm (just under 1/4-inch) bolts that have a flange on them that prevents tightening them down too deep into the aluminum head. So I suspected they were not jammed into the threads. They should come out easy if I could get a drill into the bolt center and reverse thread out. I tried my set of Grabit brand easy-outs, but it just made a mess of things. You set your drill on reverse and use one end to drill a pilot hole (they call it "burnishing"). Then you flip the bit over and use the other, reverse-threaded end to try to grab the bolt and screw it out. I tried the #1 and #2 Grabit bits, but no go. I suspect these are only good for soft metal, because I spent nearly an hour drilling and very little metal was removed. They just left a rounded depression in the top of the broken bolt. Their promotional videos always show it being used on wood screws, which are softer than automotive bolts. I switched to a nice set of titanium drill bits that I reserve for metal, no wood--trying 7/64, 1/8, 9/64, 5/32, and 11/64. Nothing would remove much steel. I haven't used this set much at all, so could not believe that every bit was dull. I began to suspect the bolts were made of a hardened steel, and might require carbide bits. Called a mechanic friend who told me he wouldn't do it, but knew a shop that could weld on a small nut and take it out. (Visions of big bucks began dancing in my head.) But he also said his brother had just used reverse drill bits to solve a problem on his motor cycle. Figured I'd give it a try, and almost drove down the local AutoZone to buy their set of 5 reverse bits for $9.99. Then saw that Amazon had this set of 13 reverse bits for only 3 bucks more, and I've had good luck with some Neiko products. So I waited the two days for Prime delivery, and so glad I did. Right away, I noticed the Neiko 1/8" reverse bit was really removing some metal. I had to also try 9/64 and 5/32 before it grabbed into the chewed up bolt head, and easily turned it out. The second bolt which I hadn't bolloxed up with a Grabit and other drill bits, just wound right out on the first try. Boy was I happy. Problem solved. This method should work for the rare bolt that has broken off this way, not because the thread is frozen or welded in there like you find on exhaust manifolds and other places--that's a whole other story. But for a small bolt that broke off the way mine did, I swear by this product.
Scritto da: brian matthews
Four Stars
solid product
Scritto da: Kindle Customer
Rubbish
The drills where blunt and broke at first use. A total waste of money. I had to pay customs duty to the Post Office of £12.00 to even get the things!
Scritto da: David Horn
Five Stars
They do the job I wanted them for.
Scritto da: Roberto
Good
Good
Scritto da: David
Found them quite useless.
Most of the drills broke on the first try out. Found them quite useless.

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