Killer Force 25pc Metric Drill Bit Set - Heavy Duty Jobber Length

In this review the Drill America 25 Piece Metric Killer Force set is assessed for workshop users who need a wide range of metric sizes in a single, durable kit. The bottom line: this set is best for DIYers, tradespeople and light industrial users who want a reliable collection of high speed steel jobber length bits that handle metal, wood and plastic without frequent replacement. The most compelling reason to buy is the combination of a 135 degree split point and gold/black surface treatment, which helps self-center the bit and extend life when cutting harder materials like stainless steel.

Key Features

• Premium material: M2 high speed steel gives a balance of hardness and toughness for wear resistance in general purpose drilling.
• Heavy duty point: The 135 degree split point provides self-centering and reduced thrust for more accurate starts and less walking.
• Surface treatment: Gold and black treated finish is intended to improve performance on stainless steel and other hard metals.
• Wide metric range: The 25pc set covers metric sizes from 1mm to 13mm in 0.5mm increments, reducing the need to buy individual sizes.
• Round shanks: Round shanks allow the bits to be used in a variety of tool holding systems and drill chucks.
• Chip evacuation: Spiral fluted design helps lift chips out of the hole when run in the correct direction to reduce clogging.

Who It's For

This set suits hobbyists, home workshop owners, and contractors who need a comprehensive metric assortment for mixed materials-aluminum, iron, wood, plastic and stainless steel. The jobber length and round shank make it useful for handheld drills and bench tools where a range of sizes is handy.

Users who require carbide performance for extended production runs or specialist masonry bits for heavy concrete work should look elsewhere, as these high speed steel bits are designed for general heavy duty drilling but are not a replacement for purpose-specific masonry or carbide tooling.

Pros & Cons

Pros

• Good overall quality and sharpness out of the box, making clean initial cuts in multiple materials.
• Convenient metric coverage from 1mm to 13mm in 0.5mm steps, useful for precision work and avoiding size gaps.
• Solid case and storage holder keep the set organized and portable for jobsite use.
• Gold/black surface and split point deliver easier starts and improved performance on harder metals.

Cons

• Durability reports are mixed; some users find long life while others note wear sooner under heavy use.
• Not a substitute for carbide masonry bits on very hard concrete or abrasive tile work.

Specifications

Brand	Drill America
Series	KFD Killer Force
Material	M2 high speed steel (HSS)
Point angle	135 degree split point
Sizes included	Metric 1mm to 13mm by 0.5mm (25 pieces)
Shank type	Round shank
Case	Plastic round storage holder case

Our Verdict

The Drill America 25pc Killer Force metric set is a practical, good-value collection for anyone needing a complete range of metric drill sizes for mixed-material work. Its HSS construction, split point and treated finish give solid starting accuracy and acceptable longevity for most DIY and light professional tasks, though users doing heavy production should consider specialty bits.

Frequently Asked Questions

Are these bits suitable for stainless steel?
Yes. The gold and black surface treatment plus the M2 HSS construction and 135 degree split point make them suitable for drilling stainless steel, though feed and speed control is recommended.

What sizes are in the set?
The set includes 25 metric sizes from 1mm up to 13mm in 0.5mm increments.

Do they include a storage case?
Yes. The kit ships in a plastic round storage holder case that keeps bits organized for transport and storage.