M35 Cobalt Drill Bit Set SAE 14-Piece Jobber Length - Durable Steel

In this review the NordWolf 14-piece M35 cobalt drill bit set is assessed for workshop and jobsite use; it is aimed at mechanics, metalworkers and serious DIYers who need bits that cut hardened metals without frequent replacement. The single biggest reason to buy is the set's use of M35 cobalt steel and a 135 split point tip that produces fast, self-centering holes in stainless steel and other tough materials, while the 1/4' hex shanks make the bits easy to use in quick-change chucks and impact drivers.

Key Features

• M35 Cobalt steel: delivers extra durability and longer lifetime when drilling hardened metals compared with standard high-speed steel bits.
• 135 split point tip: provides precise self-centering and reduces walking so holes start cleanly without a pilot mark.
• 1/4' hex shank: fits standard and quick-change chucks as well as impact drivers for fast bit changes on the job.
• Wide metal compatibility: suitable for stainless steel, cast iron, titanium, bronze and aluminium, making the set versatile for many metalworking tasks.
• Popular imperial sizes: includes a practical range from 1/16' to 3/8' so most common hole sizes are covered without buying individual bits.
• Storage case: the molded plastic box is imprinted with sizes and has a sliding clip so it is easy to store and hang on a pegboard.

Who It's For

The set is best for metalworkers, automotive technicians and serious DIY enthusiasts who frequently drill stainless steel and other hardened materials and want a compact kit that works with impact drivers and quick-change chucks. The variety of SAE sizes included means a single small case handles many common tasks without rummaging for loose bits.

Those who primarily drill wood, plastics or only need large metric sizes may look elsewhere for a more specialized or metric-focused kit; likewise, bench drill users who require precision ground sets in every fractional size might prefer larger industrial assortments.

Pros & Cons

Pros

• Durable M35 cobalt construction that stands up to drilling hardened metals.
• 135 split point tip for accurate, self-centering starts and reduced walking.
• 1/4' hex shanks for fast changes in quick-change and impact driver applications.
• Convenient storage case with size markings and a pegboard clip for organization.

Cons

• Durability reports are mixed by customers, with some users experiencing breakage under heavy use.
• The set uses SAE sizes only, so metric users will need a different kit.

Specifications

Brand	NordWolf
Material	M35 cobalt steel
Tip style	135 split point multi-blade
Shank	1/4' hex
Sizes included	1/16' (x2), 5/64', 3/32', 7/64', 1/8' (x2), 9/64', 5/32', 3/16', 7/32', 1/4', 5/16', 3/8'
Case	Plastic storage box with size imprint and pegboard clip

Our Verdict

The NordWolf 14-piece M35 cobalt jobber set is a practical, value-minded choice for anyone who needs a compact selection of durable bits for stainless steel and other hardened metals. Its M35 cobalt composition, split point tip and 1/4' hex shanks make it especially useful for mobile tradespeople and DIYers using impact drivers, though users demanding absolute longevity under extreme workloads may see mixed results.

Frequently Asked Questions

Are these bits good for stainless steel?
Yes, the M35 cobalt construction and 135 split point tip are designed for drilling stainless steel and other hardened metals.

Will the 1/4' hex shank fit my impact driver?
Yes, the 1/4' hex shank is compatible with standard quick-change chucks and most impact drivers.

Does the set include metric sizes?
No, this is an SAE set with imperial sizes from 1/16' to 3/8'.