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Top 9June 2025

Best M42 Cobalt Drill Bit Set For Hardened Steel Drill Hog

We made a list of the top 9 M42 Cobalt Drill Bit Set For Hardened Steel Drill Hog based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

✓Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
✓Enhanced M42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Standard bits
✓High-heat resistant bits – withstand high-temperature applications for extended periods of time
✓Thick web-helix design – provides additional stability in tough applications
✓Surface-hardened tip – penetrates tough abrasive materials
✓Includes – 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1/2"

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Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)

Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)

✓Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
✓3 Steps Design for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.
✓This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
✓The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit.
✓19Pcs 135 Degree Split Point Drill Bits Includes :1mm(length:3.4cm) 1.5mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm(length:8.5cm) 5.5mm 6mm(length:9cm) 6.5mm 7mm 7.5mm 8mm(length:11.5cm) 8.5mm 9mm 9.5mm 10mm(length:13cm) [DIA 0.5mm Increments] .

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21 Pc Cobalt M42 Drill Bit Set 1/16" to 1/2" by 32nds Drill Hog®

21 Pc Cobalt M42 Drill Bit Set 1/16" to 1/2" by 32nds Drill Hog®

✓Solid Cobalt M42 Steel
✓135 Degree Split Point Prevents "walking"
✓Tri Flat Shank - 3 Flat Sides on Shank Prevents "Spin" in the Chuck
✓1/16 to 1/2" by 1/32nds Includes Steel Case with Pop Up Tiers
✓Lifetime Warranty

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5% Discount

Sinyeenglon Cobalt Drill Bit Set for Hardened Metal and Stainless Steel, 99Pcs M35 High Speed Steel Twist Jobber Metal Drill Bits 1/16"-3/8", with Plastic Index Storage Case

Sinyeenglon Cobalt Drill Bit Set for Hardened Metal and Stainless Steel, 99Pcs M35 High Speed Steel Twist Jobber Metal Drill Bits 1/16"-3/8", with Plastic Index Storage Case

✓Cobalt M35 Material: High cost, but hardness is up to 67, cut faster and has a long life, up to 12 times compared with the average HSS titanium coated bit
✓Hardened Full Grinding Process: Increases wear resistance, sharp and durable, used for stainless steel, cast iron, titanium, aluminum and hard metal
✓Packaging: Hard and thick plastic box, drills bagged for compartmentalized storage, reasonable design, well secured package
✓Convenient Access: Various sizes are placed in different compartments of the plastic box, and the corresponding sizes of different drills are printed on the bottom of the lid, making it very convenient to access
✓Various Sizes: 16Pcs 1/16 in, 16Pcs 5/64 in, 15Pcs 3/32 in, 10Pcs 7/64 in, 10Pcs 1/8 in, 8Pcs 9/64 in, 8Pcs 5/32 in, 3Pcs 11/64 in, 3Pcs 3/16 in, 2Pcs 13/64 in, 2Pcs 7/32 in, 2Pcs 1/4 in, 2Pcs 5/16 in, and 2Pcs 3/8 in
✓Use Notices: Drill bit should be vertical to the workpiece when used; controling low speed from 200 to 1000 rpm; using cutting fluid will stay cool to make the bit last longer

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Drill Hog 29 Pc Super Premium Cobalt M42+ Drill Bit Set Orange Steel Case

Drill Hog 29 Pc Super Premium Cobalt M42+ Drill Bit Set Orange Steel Case

✓Super Premium Solid Cobalt M42+ Steel
✓1/16" to 1/2" by 1/64ths
✓135 Degree Split Point Prevents "Walking"
✓3 Flat Sides Prevents "Spinning" in the Chuck
✓Lifetime Warranty

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Drill Hog® 13 Pc COBALT Drill Bit Set Index M42 Drill Bits 1/16" to 1/4"

Drill Hog® 13 Pc COBALT Drill Bit Set Index M42 Drill Bits 1/16" to 1/4"

✓1/16" - 1/4" by 1/64ths (13 Drills)
✓Solid Cobalt M42 Steel
✓135 Degree Split Point Prevents the Bit from "Walking"
✓Made by Drill Hog USA
✓Lifetime Warranty

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COMOWARE Cobalt Drill Bit Set- 14Pcs M42 8% Cobalt High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16"-1/2"

COMOWARE Cobalt Drill Bit Set- 14Pcs M42 8% Cobalt High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16"-1/2"

✓HIGH QUALITY MATERIAL: 8% Cobalt High Speed Steel M42 provide extended tool life compared to ordinary drill bits.
✓TWIST DESIGN & PERFORMANCE: PRECISE 135°SPLIT POINT, gold oxide finish and round straight shanks. Prevent walking, clear chips and particles faster.Produced by precision fully ground which ensures chips move smoothly.
✓PROFESSIONAL & WIDELY USE: M42 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.
✓SIZE INCLUDED: 14pcs jobber length drill bit set with plastic storage case including sizes:1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1/2".
✓VERTICAL OPERATION: Vertical operation can make the blade tip evenly stressed, which can avoid damage to the blade tip due to uneven force.

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Drill Hog 29 Pc Cobalt Drill Bit Set M42 Drills

Drill Hog 29 Pc Cobalt Drill Bit Set M42 Drills

✓Premium Solid Cobalt M42 Super High Speed Steel
✓1/16" to 1/2" in 1/64th Increments (Does not Skip any Sizes)
✓High Heat Treated Hardness 68-70 HRC (Rockwell Hardness Scale)
✓135 Degree Split Point Prevents "Walking"
✓Tri-Flat Shank Prevents "Spinning" in Chuck

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Drill Hog 115 Pc Drill Bit Set Cobalt M42 Fractional Letter Number

Drill Hog 115 Pc Drill Bit Set Cobalt M42 Fractional Letter Number

✓Super Premium Cobalt M42 Steel
✓1/16" to 1/2" Fractional Sizes by 1/64ths
✓A to Z Letter Size Drills
✓#1 to #60 Number Drills (Wire Gauge Sizes)
✓Lifetime Warranty

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