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🔧 Break free from broken fasteners—drill smarter, not harder!
The NEIKO 10037A Left-Hand Drill-Bit Set features 15 high-speed steel bits with a titanium nitride coating and a 135° split point for precision self-centering. Designed specifically for reverse drilling, these left-hand twist bits excel at removing broken screws and bolts. Housed in a sturdy metal index case, this versatile SAE-sized set is perfect for professionals and DIYers tackling automotive, home, or workshop repairs.





























| ASIN | B000BMJX8C |
| Best Sellers Rank | #61,769 in Automotive ( See Top 100 in Automotive ) #8 in Metalworking & Multi-Purpose Drill Bit Sets |
| Brand | Neiko |
| Brand Name | Neiko |
| Country Of Origin | China |
| Customer Reviews | 4.2 out of 5 stars 2,596 Reviews |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 6.35 Millimeters |
| Cutting angle string | 135 Degrees |
| Cutting diameter | 6.35 Millimeters |
| Finish Types | Titanium |
| Finish type | Titanium |
| Global Trade Identification Number | 00837013100379 |
| Included Components | 15 Piece Left Hand Drill Bit Set |
| Item Dimensions | 36 x 23 x 20 centimeters |
| Item Weight | 0.01 Ounces |
| Manufacturer | Ridgerock Tools Inc. |
| Material | High Speed Steel (HSS) |
| Material Type | High Speed Steel (HSS) |
| Minimum Bore Diameter | 0.04 Inches |
| Model | 10037A |
| Number of Flutes | 2 |
| Number of Pieces | 15 |
| Part Number | 10037A |
| Point Style | Split Point |
| Set Name | Left Hand Drill Bit Set (15 Pieces) |
| Shank Type | Straight |
| Shank type | Straight |
| Surface Recommendation | Metal,Steel |
| Tool Flute Type | Spiral |
| UPC | 837013100379 |
| Unit Count | 1 Count |
C**R
Good
A must thing to have if the stud brakes on you. Quality is good!
Z**O
Buen producto
Buena calidad de materiales y muy bien el estuche, bueno filo para cortar materiales duros, tuve que usarlas para sacar un prisionero de cabeza Allen barrido y funcionó muy bien. Hay que darle el tiempo que necesita para cortar.
T**S
parece que son buenos
buena compra
J**N
Bra till avdragna bultar, borren går åt vänster
Funkar superbra att borra ur avdragna buktar
J**S
Great Product
I broke the antenna off my truck in a carwash, and I needed to extract the broken threaded part left inside the base of the unit. Drilling a hole with a regular drill bit would only drive it down further. I looked up a left hand drill bit set on AMAZON and found and ordered this item. After receiving the left handed drill bits, I selected the drill bit a bit smaller than the broken shaft left inside the base. Within seconds of using it the broken shaft reversed upward and I was able to remove the broken piece and then replaced it with a new antenna. Thanks.
D**N
Five Stars
They do the job I wanted them for.
Trustpilot
1 month ago
2 weeks ago