10 bestCobalt Drill Bitsof November 2025
112M consumers helped this year.
1
STROTON Metric 5% Cobalt Step Drill Bit for Stainless Steel and Hard Metal (4-32mm/15 Steps)
STROTON
10.0
2
JEFE HEX 29 PCS M35 Cobalt Drill Bit Set, HSS Twist Jobber Drill Bits with 135 Degrees Split Point and Three-Flat Shank, 3/8” Reduced Shank, Gold Oxide Metal Drill Bits Set (1/16” - 1/2” x 1/64”)
JEFE HEX
10.0
7% off
3
IRWIN Drill Bit Set, M35 Cobalt Alloy Steel Steel, 29-Piece (3018002)
Irwin
9.8
19% off
4
BOSCH 21 Piece Cobalt Metal Drill Bit Set CO21
Bosch
9.5
5
Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)
STROTON
9.3
Other
GMTOOLS 29Pcs Cobalt Drill Bit Set, 135 Degree Tip High Speed Steel with Black and Gold Finish, Stainless Steel, Plastic and Wood with Metal Indexed Storage Case 1/16"-1/2"
M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs), Straight Shank Jobber Drill Bits, Metal HSS Twist Drill Bits for Stainless Steel Hard Metal and Cast Iron
KENDO 29PCS Cobalt Drill Bit Set (1/16''-1/2''), M35 High Speed Steel, Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastics, with Metal Index Storage Box
RCINDUS (20PCS) 1/8" Cobalt Drill Bit, HSS M35 Metal Drill Bits for Steel, Stainless Steel, Cast Iron, Hard Plastic and Wood
6
Drill America DWD29J-CO-PC Qualtech 29 Piece Cobalt Steel Jobber Length Drill Bit Set in Plastic Case, Gold Oxide Finish, Round Shank, Spiral Flute, 135 Degrees Split Point, 1/16" to 1/2" Size
Drill America
9.0
7
NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel & Hard Metals, with 1/4" Hex Shank for Quick Chucks & Impact Drivers, SAE Sizes 3/32"-1/8"-3/16"-1/4"-5/16" in Storage Case
NordWolf
8.7
8
amoolo 3/8" Cobalt Drill Bit(5Pcs), M35 HSS Metal Drill Bit Set for Hard Metal, Stainless Steel, Cast Iron
amoolo
8.5
9
HIGHFIRE 29 PCS M35 Cobalt Drill Bit Set, HSS Twist Jobber Drill Bits with 135 Degrees Split Point and Three-Flat Shank, 3/8” Reduced Shank, Gold Oxide Metal Drill Bits Set (1/16” - 1/2” x 1/64”)
Highfire
8.2
29% off
10
BOSCH CO21B 21 Pc. Cobalt M42 Drill Bit Set
Bosch
7.9
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