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Cobalt Drill Bits

25/64" COBALT DRILL BIT | Matco Tools List: $34.95
(0) 25/64" COBALT DRILL BIT
HDC25A

Individual drill bit. Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance. Suitable for the toughest hardened fasteners... View Details

29/64" COBALT DRILL BIT | Matco Tools List: $49.95
(0) 29/64" COBALT DRILL BIT
HDC29A

Individual drill bit. Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance. Suitable for the toughest high alloy steels, stainless and fasteners... View Details

7/64" COBALT LEFT HAND DRILL BIT | Matco Tools List: $4.95
(0) 7/64" COBALT LEFT HAND DRILL BIT
HDCLM7A

Individual left hand cobalt drill bit. Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance. Suitable for the toughest hardened fasteners... View Details

1/4" LEFT HAND TWIST DRILL BIT  | Matco Tools List: $14.00
(0) 1/4" LEFT HAND TWIST DRILL BIT 
HDL16A

Left hand drill bit for drilling into and extracting damaged fasteners without threading the fastener tighter. Mechanic's length for tighter access and a more rigid design that resists flex and fracturing. For use with a reversible drill... View Details

13/32" COBALT HYPER-STEP REDUCED SHANK MECHANIC'S LENGTH DRILL BIT | Matco Tools List: $58.95
(0) 13/32" COBALT HYPER-STEP REDUCED SHANK MECHANIC'S LENGTH DRILL BIT
DBCHS26

Matco’s exclusive Hyper-Step tip design that cuts 45% faster and stays sharp up to 4X longer. Cobalt drill material for use on even the toughest jobs like stainless, Grade 8 fasteners, hardened alloys and titanium. Mechanic’s length size for increased drill bit rigidity and improved tight space access... View Details

15/32" COBALT HYPER-STEP REDUCED SHANK MECHANIC'S LENGTH DRILL BIT | Matco Tools List: $75.95
(0) 15/32" COBALT HYPER-STEP REDUCED SHANK MECHANIC'S LENGTH DRILL BIT
DBCHS30

Matco’s exclusive Hyper-Step tip design that cuts 45% faster and stays sharp up to 4X longer. Cobalt drill material for use on even the toughest jobs like stainless, Grade 8 fasteners, hardened alloys and titanium. Mechanic’s length size for increased drill bit rigidity and improved tight space access... View Details

13/64" COBALT HYPER-STEP MECHANIC'S LENGTH DRILL BIT | Matco Tools List: $13.25
(0) 13/64" COBALT HYPER-STEP MECHANIC'S LENGTH DRILL BIT
DBCHS13

Matco’s exclusive Hyper-Step tip design that cuts 45% faster and stays sharp up to 4X longer. Cobalt drill material for use on even the toughest jobs like stainless, grade 8 fasteners, hardened alloys and titanium. Mechanic’s length size for increased drill bit rigidity and improved tight space access... View Details

9/32" COBALT HYPER-STEP MECHANIC'S LENGTH DRILL BIT | Matco Tools List: $23.95
(0) 9/32" COBALT HYPER-STEP MECHANIC'S LENGTH DRILL BIT
DBCHS18

Matco’s exclusive Hyper-Step tip design that cuts 45% faster and stays sharp up to 4X longer. Cobalt drill material for use on even the toughest jobs like stainless, Grade 8 fasteners, hardened alloys and titanium. Mechanic’s length size for increased drill bit rigidity and improved tight space access... View Details

5/32" COBALT DRILL BIT | Matco Tools List: $5.50
(0) 5/32" COBALT DRILL BIT
HDC10A

Individual drill bit. Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance. Suitable for the toughest high alloy steels, stainless and fasteners... View Details

7/64" COBALT DRILL BIT | Matco Tools List: $3.50
(0) 7/64" COBALT DRILL BIT
HDC7A

Individual drill bit. Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance. Suitable for the toughest high alloy steels, stainless and fasteners... View Details

9/32" COBALT DRILL BIT | Matco Tools List: $15.95
(0) 9/32" COBALT DRILL BIT
HDC18A

Individual drill bit. Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance. Suitable for the toughest high alloy steels, stainless and fasteners... View Details

3/8" COBALT DRILL BIT | Matco Tools List: $31.95
(0) 3/8" COBALT DRILL BIT
HDC24A

Individual drill bit. Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance. Suitable for the toughest high alloy steels, stainless and fasteners... View Details

13/32" COBALT DRILL BIT | Matco Tools List: $36.95
(0) 13/32" COBALT DRILL BIT
HDC26A

Individual drill bit. Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance. Suitable for the toughest high alloy steels, stainless and fasteners... View Details

15/32" COBALT DRILL BIT | Matco Tools List: $53.95
(0) 15/32" COBALT DRILL BIT
HDC30A

Individual drill bit. Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance. Suitable for the toughest high alloy steels, stainless and fasteners... View Details

31/64" COBALT DRILL BIT | Matco Tools List: $57.95
(0) 31/64" COBALT DRILL BIT
HDC31A

Individual drill bit. Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance. Suitable for the toughest high alloy steels, stainless and fasteners... View Details

5/32" COBALT LEFT HAND DRILL BIT | Matco Tools List: $8.95
(0) 5/32" COBALT LEFT HAND DRILL BIT
HDCLM10A

Individual left hand cobalt drill bit. Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance. Suitable for the toughest hardened fasteners... View Details

7/64" LEFT HAND TWIST DRILL BIT | Matco Tools List: $4.50
(0) 7/64" LEFT HAND TWIST DRILL BIT
HDL7A

Left hand drill bit for drilling into and extracting damaged fasteners without threading the fastener tighter. Mechanic's length for tighter access and a more rigid design that resists flex and fracturing. For use with a reversible drill... View Details

1/8" LEFT HAND TWIST DRILL BIT  | Matco Tools List: $5.50
(0) 1/8" LEFT HAND TWIST DRILL BIT 
HDL8A

Left hand drill bit for drilling into and extracting damaged fasteners without threading the fastener tighter. Mechanic's length for tighter access and a more rigid design that resists flex and fracturing. For use with a reversible drill... View Details

5/16" LEFT HAND TWIST DRILL BIT | Matco Tools List: $30.95
(0) 5/16" LEFT HAND TWIST DRILL BIT
HDL20A

Left hand drill bit for drilling into and extracting damaged fasteners without threading the fastener tighter. Mechanic's length for tighter access and a more rigid design that resists flex and fracturing. For use with a reversible drill... View Details

3/16" COBALT DRILL BIT | Matco Tools List: $13.75
(0) 3/16" COBALT DRILL BIT
HDCLM12A

Mechanic's length left hand cobalt drill bit. For extracting or for use with spline, spiral flute or straight flute extractors. View Details