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FRITZFURT 3-Piece M35 Cobalt Step Drill Bit Set1 / 6
Product guide

FRITZFURT 3-Piece M35 Cobalt Step Drill Bit Set

FRITZFURT’s 3-piece M35 Cobalt Step Drill Bit Set combines three stepped hole cutters with a 1/4-inch hex shank, intended for drilling a range of hole sizes in sheet metal and other listed materials. Its stated size ranges and number of steps vary by bit, so compare them with the hole sizes you need.

At a glance

  • Three bits provide different step counts and stated diameter ranges for varied hole sizes.
  • The manufacturer claims M35 cobalt steel, CBN-ground cutting edges and an AlTiN coating.
  • The 1/4-inch quick-change hex shank is described as compatible with impact drivers and drill/drivers.
  • A transparent case with individual slots and interlocking sides is claimed.
Price
$32.49Save 50%

Reference price: $64.99

Price checked: Nov 14, 2026

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Often bought together

Pros and cons

Pros

  • Three different step patterns cover the listed ranges from 1/8" to 3/4" across the set.
  • A 1/4-inch hex shank is a practical fit for common drill/driver and impact-driver chucks, according to the listing.
  • The manufacturer specifies stainless steel and sheet metal among its intended applications.

Cons

  • The three bits do not each cover the full advertised overall range, so the specific step pattern must match the hole sizes needed.

Technical specifications

17 specifications
Identity
BrandFRITZFURT
Modelstep bit
Set nameFritzfurt 3PCS Cobalt Impact Step Drill Bit Set
Part number6089-3223
Set and step ranges
Number of pieces3
Step configurations and diameter ranges6-step (3/16"–1/2"), 10-step (3/16"–3/4"), and 13-step (1/8"–1/2")
Construction and geometry
Claimed steelM35 cobalt steel with approximately 5% cobalt content
GrindingCBN-fully-ground
FinishTitanium Aluminum Nitride
Shank typehex
Cutting diameter3.18 millimeters
Cutting angle118 degrees
Flute typeSpiral
Number of flutes1
Spiral flute angle25–28°
Listed applications
Surface recommendationMetal, Plastic, Stainless Steel, Wood
Drive compatibility claimedany standard impact driver or drill/driver chuck

What to know before buying

Listing details to confirm

The listing's title gives an overall 1/8"–3/4" range, while its individual bit ranges are 3/16"–1/2", 3/16"–3/4", and 1/8"–1/2". It also gives a 3.18 millimeters cutting-diameter detail without explaining how it relates to the stepped ranges, and identifies one flute in the specifications while describing a 25–28° spiral flute. Confirm the bit-by-bit markings and specifications if these distinctions matter. For stainless steel, the listing recommends cutting oil and low-to-medium speed with steady pressure.

What’s in the box

Included
  • 3 cobalt impact step drill bits

Who is it for?

A good fit for

  • Electricians or fabricators needing several stepped hole-size options in sheet metal.
  • Buyers seeking M35 cobalt step bits with a hex shank for use in a drill/driver or impact driver.
  • Users who want a case with separate slots for the bits, if the claimed case is supplied.

Less suited to

  • Anyone needing every bit to cover the entire 1/8"–3/4" range.
  • Buyers who require clearly specified flute geometry or a fully reconciled diameter specification before purchase.
FRITZFURT 3-Piece M35 Cobalt Step Drill Bit Set · photo 2
Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 32 ratings
  • 5 stars79%79%
  • 4 stars17%17%
  • 3 stars4%4%
  • 2 stars0%0%
  • 1 star0%0%

The supplied evidence contains aggregate ratings but no customer-comment summary. Those ratings lean positive, with some middle ratings, but do not identify what buyers liked or disliked. Treat them as a limited signal rather than evidence about cutting life or performance in a particular material. The listing's stated sizes and material claims remain manufacturer specifications, not customer-reported findings.

Frequently asked questions

What hole sizes do the three bits cover?

The listing gives a 6-step bit at 3/16"–1/2", a 10-step bit at 3/16"–3/4", and a 13-step bit at 1/8"–1/2". Check the individual bit range against the hole size you need.

Can these bits be used with an impact driver?

The manufacturer claims the 1/4-inch quick-change hex shank fits standard impact drivers and drill/driver chucks.

What materials are listed for these bits?

The listing recommends metal, plastic, stainless steel and wood, and specifically describes use in sheet metal and stainless steel. For stainless steel it advises cutting oil, steady pressure and low-to-medium speed.

FRITZFURT 3-Piece M35 Cobalt Step Drill Bit Set · photo 3
Additional product photo 3

Alternative options

Offer details

  • An additional 15% coupon is listed with an instruction to apply it. The offer includes terms.
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